Dell OptiPlex 755 Uživatelská příručka

Dell™OptiPlex™755User'sGuide   Mini Tower Computer Desktop Computer Small Form Factor Computer Ultra Small Form Factor Computer

options list, active options field, and key functions.  System Setup Options Options List — This field appears on the left side of the system setup

64-bit operating system, your computer will support a maximum of 8 GB (2-GB DIMMs in each of the four slots) of memory.  Installing Memory   1. Fol

 8. When the message appears stating that memory size has changed, press <F1> to continue.  9. Log on to your computer.  10. Right-cl

Dell™OptiPlex™755User'sGuide Notes, Notices, and Cautions IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicr

Back to Contents Page User's Guide Cards Cards  YourDell™computersupportsaPS/2serialportadapterandprovidesthefollowingconne

 4. If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with step 5.  5. If you are replac

 10. Before you lower the card retention mechanism, ensure that: l The tops of all cards and filler brackets are flush with the alignment bar.

 4. If necessary, disconnect any cables connected to the card.  5. If you are removing the card permanently, install a filler bracket in the em

 4. Remove the filler bracket (if applicable).  5. Align the PS/2 serial-port adapter bracket in the retention slot and press down firmly. Ensur

 8. Replace the computer cover (see Replacing the Computer Cover).  Removing a PS/2 Serial Port Adapter  1. Follow the procedures in Before Yo

 8. Before you close the card retention mechanism, ensure that: l The tops of all cards and filler brackets are flush with the alignment bar. l 

l AHCI l ATA SMART Reporting (Off default) This setting determines whether integrated drive errors are reported or not during computer start-up. On

Back to Contents Page User's Guide Processor Processor   Removing the Processor  1. Follow the procedures in Before You Begin.  2.

 6. Gently remove the processor from the socket. Leave the release lever extended in the release position so that the socket is ready for the new

 7. Set the processor lightly in the socket and ensure that the processor is positioned correctly.  8. When the processor is fully seated in the

Back to Contents Page User's Guide Drives Drives Your computer supports: l Two SATA (Serial ATA) hard drives l One 3.5-inch floppy dri

 Power Cable Connectors  Connecting and Disconnecting Drive Cables When removing a cable with a pull-tab, grasp the colored pull-tab and pull un

 6. Press in on the blue release tabs on each side of the drive and slide the drive up and out of the computer.  Installing a Hard Drive  1.

 5. Gently spread the sides of the drive bracket and slide the hard drive into the bracket, aligning the drive with the bracket pins, until the dr

Adding a Second Hard Drive    1. Check the documentation for the drive to verify that it is configured for your computer.  2. Follow the proce

 9. Replace the computer cover (see Replacing the Computer Cover).  10. Enter system setup (see System Setup), and update the SATA port option

 6. Grasp the sliding plate lever and slide it towards the bottom of the computer until the drive panel snaps open; while holding the lever in plac

Trusted Execution Specifies whether a Measured Virtual Machine Monitor (MVMM) can use additional hardware capabilities provided by Intel Trusted Execu

 5. Replace the computer cover (see Replacing the Computer Cover).  6. Enter system setup (see Entering System Setup), and use the Diskette Dri

 5. Grasp the sliding plate lever and slide it towards the bottom of the computer until the drive panel snaps open; while holding the lever in place,

 5. Replace the computer cover (see Replacing the Computer Cover).  6. Verify that your computer works correctly by running the Dell Diagnostics

 5. Check the documentation that accompanied the drive to verify that the drive is configured for your computer.  6. Align the shoulder screws

Setup.  11. Verify that your computer works correctly by running the Dell Diagnostics (see Dell Diagnostics). Back to Contents Page 

Back to Contents Page User's Guide I/O Panel I/O Panel  Removing the I/O Panel    1. Follow the procedures in Before You Begin. 

Back to Contents Page User's Guide Power Supply Power Supply  Replacing the Power Supply   1. Follow the procedures in Before You Begi

10. Reconnect the DC power cables to the power supply.  11. Connect the AC power cable to the AC power connector.  12. Replace the computer co

 DC Power Connector P2  DC Power Connectors P3, P5, P8, and P9  DC Power Connector P7  DC Power Connector P10 19 GND Black 20 NC NC 21 +5 VDC

 Boot Sequence This feature allows you to change the boot sequence for devices.  Option Settings l USB Device — The computer attempts to boot fro

Back to Contents Page   Pin Number  Signal name  18-AWG Wire 1 +12 VBDC White 2 GND Black 3 GND Black 4 +5 VDC Red

Back to Contents Page User's Guide Speakers Speakers  Installing a Speaker   1. Follow the procedures in Before You Begin.  2. Rem

 5. Replace the computer cover.  6. Turn on power to the computer. Back to Contents Page 

Back to Contents Page  Mini Tower Computer Specifications User's Guide  Microprocessor Microprocessor type The following are supported: l 

 Expansion Bus Bus type PCI 2.3 PCI Express 1.0A SATA 1.0A and 2.0 USB 2.0 Bus speed PCI: 133 MB/s PCI Express x16: 8 GB/s bidirectional speed PCI Ex

(during start-up only) <F12> or <Ctrl><Alt><F8> displays a boot device menu that allows the user to enter a device for a singl

Back to Contents Page  Operating –15.2 to 3048 m (–50 to 10,000 ft) Storage –15.2 to 10,668 m (–50 to 35,000 ft) Airborne contaminant level G2 or low

Back to Contents Page  Microsoft®Windows®Features User's Guide Transferring Information to a New Computer Setting Up a Home and Office

After the information has been copied, the Completing the Collection Phase screen appears.  7. Click Finish. To transfer data to the new computer:

 Microsoft Windows Vista®  1. Click the Windows Vista Start button, , and then click Transfer files and settings® Start Windows Easy Transfer.

l Onboard SATA Hard Drive — The computer attempts to boot from the primary serial ATA hard drive. If no operating system is on the drive, the compute

 5. Return to the Network Setup Wizard and follow the instructions on the screen.  Windows Vista To make changes to your network setup in Micro

Back to Contents Page  Replacing the Computer Cover User's Guide Mini-Tower, Desktop, and Small Form Factor Computers Ultra Small Form F

Back to Contents Page  1 release knob

Back to Contents Page User's Guide Cards Cards  YourDell™computersupportsaPS/2serialportadapterandprovidesthefollowingconne

4. If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with step 6.  5. If you are replacing

 Removing a PCI Card  1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Computer Cover).  3. Gen

b. Connect the network cable to the integrated network connector on the back panel of the computer.  PCI Express and DVI Cards Your computer suppo

 8. Connect any cables that should be attached to the card.  9. Before you close the card retention mechanism, ensure that: l The tops of al

 6. While pressing the lever, pull the card up and out of the card connector.  7. While pressing the lever, pull the removal pull tab up and rem

To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.  14. If you removed a network-adapter

Floppy Drive  1. In system setup, set the Diskette Drive option to USB.  2. Save and exit system setup.  3. Connect the USB floppy drive, ins

 9. Replace the computer cover (see Replacing the Computer Cover.  Removing a PS/2 Serial Port Adapter  1. Follow the procedures in Before You B

 5. Replace the computer cover (see Replacing the Computer Cover).  6. Boot your computer and enter system setup (see Entering System Setup). U

Back to Contents Page User's Guide Processor Processor   Removing the Processor  1. Follow the procedures in Before You Begin.  2.

 6. Gently remove the processor from the socket. Leave the release lever extended in the release position so that the socket is ready for the new

 7. Set the processor lightly in the socket and ensure that the processor is positioned correctly.  8. When the processor is fully seated in th

 13. Replace the computer cover (see Replacing the Computer Cover). Back to Contents Page  2 heat-sink assembly bracket 3 captive screw in housing

Back to Contents Page User's Guide Drives Drives Your computer supports: l One SATA (serial ATA) hard drive l One slimline floppy driv

 Power Cable Connectors  Connecting and Disconnecting Drive Cables When removing an cable with a pull-tab, grasp the colored pull-tab and pull u

 8. Disconnect the power and data cable from the drive.  9. Disconnect the hard drive fan cable from the system board.  Installing a Hard

 4. Connect the hard drive fan cable to the system board.  5. Connect the power and data cables to the drive.  6. Check all connectors to

Clearing Forgotten Passwords   1. Follow the procedures in Before You Begin.  2. Remove the computer cover.  3. Locate the 2-pin password

 10. Turn on the computer.  11. Enter system setup, and update the SATA port option under the Drives option list (see Entering System Setup).

Optical Drive    Removing an Optical Drive  1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Com

 5. Connect the power and data cable to the drive.  6. Gently position the drive until it clicks into place.  7. Check all cable connecti

5. If you are removing a floppy drive, pull up the cable release tab to unlock it.  6. Gently lift the data cable from the floppy data cable edge

 5. Replace the optical drive (see Optical Drive).  6. Check all cable connections, and fold cables out of the way to provide airflow for the f

 8. Pull up on the drive release latch and slide the media card reader towards the back of the computer. Then lift up to remove the media card read

 5. Replace the optical drive (see Optical Drive).  6. Check all cable connections, and fold cables out of the way to provide airflow for the f

Back to Contents Page User's Guide I/O Panel I/O Panel  Removing the I/O Panel    1. Follow the procedures in Before You Begin. 

 9. Remove cables from the system board.  10. From inside the computer cover, remove the mounting screw that secures the I/O panel to the compute

Back to Contents Page User's Guide Power Supply Power Supply  Replacing the Power Supply   1. Follow the procedures in Before You Begi

Hyperthreading and Multi-Core Technology Hyperthreading is an Intel technology that can enhance overall computer performance by allowing one physic

12. Replace the floppy drive or media card reader (see Installing a Floppy Drive).  13. Replace the optical drive (see Installing an Optical Drive

 DC Power Connector P2  DC Power Connectors P3  DC Power Connector P5  DC Power Connector P6 18 GND Black 19 GND Black 20 NC NC 21 VCC (+5V) R

Back to Contents Page   Pin Number  Signal Name  24-AWG Wire 1 NC NC 2 +5 VDC Red 3 +5 VDC Red 4 NC NC 5 GND Black 6 GND Black

Back to Contents Page User's Guide Speakers Speakers  Installing a Speaker   1. Follow the procedures in Before You Begin.  2. Rem

 5. Replace the computer cover.  6. Turn on power to the computer. Back to Contents Page 

Back to Contents Page User's Guide Small Form Factor Computer Specifications Small Form Factor Computer Specifications  Microprocessor M

supporting one device each  Expansion Bus Bus type PCI 2.3 PCI Express 1.0A SATA 1.0A and 2.0 USB 2.0 Bus speed PCI: 133 MBs PCI Express x16: 8 GB/s

<F3> automatically starts the computer from the network environment specified by the remote boot environment (PXE) rather than from one of the d

Back to Contents Page  Operating bottom half-sine pulse with a change in velocity of 20 inches/sec (50.8 cm/sec) Storage 27-G faired square wave with

Dell™OptiPlex™755User'sGuide Notes, Notices, and Cautions IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicr

 1. Click Start® Control Panel® Pick a category® Performance and Maintenance.  2. Under or pick a Control Panel icon, click Power Options. 

Back to Contents Page  Small Form Factor Computer User's Guide About Your Small Form Factor Computer Removing the Computer Cover Insi

 Back View  Back Panel Connectors 8 headphone connector Use the headphone connector to attach headphones and most kinds of speakers. 9 microphon

Removing the Computer Cover    1. Follow the procedures in Before You Begin.  2. If you have installed a padlock through the padlock ring on

Inside Your Computer   Chassis Intrusion Switch   1 security cable slot 2 cover release latch 3 computer cover CAUTION: Before you begin

Removing the Chassis Intrusion Switch  1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Computer Cov

System Board Components Back to Contents Page  1 internal speaker connector (INT_SPKR) 12 RTC reset jumper (RTCRST) 2 processor connector (CPU) 1

Back to Contents Page  Replacing the System Board User's Guide Removing the System Board: Mini Tower, Desktop, Small Form Factor, and Ultra

 Desktop System Board Screws  Small Form Factor System Board Screws  Ultra Small Form Factor System Board Screws 1 desktop system board 2 screw

Place the system board assembly that you just removed next to the replacement system board to ensure it is identical. Replacing the System Board: M

Back to Contents Page User's Guide IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft® Windows® operatin

 Hibernate Mode Hibernate mode conserves power by copying system data to a reserved area on the hard drive and then completely turning off the compu

Back to Contents Page  Mini Tower Computer User's Guide About Your Mini Tower Computer Removing the Computer Cover Inside Your Comput

 Back View  8 power light The power light illuminates and blinks or remains solid to indicate different operating modes: l No light — The compute

Back Panel Connectors Removing the Computer Cover 1 parallel connector Connect a parallel device, such as a printer, to the parallel connector. If

   1. Follow the procedures in Before You Begin.  2. Lay the computer on its side as shown in the illustration.  3. Locate the cover releas

Chassis Intrusion Switch   Removing the Chassis Intrusion Switch  1. Follow the procedures in Before You Begin.  2. Remove the computer cov

 Replacing the Chassis Intrusion Switch  1. Gently insert the switch from underneath the metal bracket into the square hole in the bracket, and th

Back to Contents Page  1 speaker connector (INT_SPKR) 12 RTC reset jumper (RTCRST) 2 fan (FAN_CPU) 13 intrusion switch connector (INTRUDER) 3 proce

Back to Contents Page  Troubleshooting User's Guide Follow these tips when you troubleshoot your computer: l If you added or removed a part

Drive Problems   Ensure that Microsoft®Windows® Recognizes the drive — Windows XP: l Click Start and click My Computer. Windows Vista®: l Click

See Sound and Speaker Problems.  Problems writing to an optical drive  Close other programs — Theopticaldrivemustreceiveasteadystreamofda

Back to Contents Page  Advanced Features User's Guide LegacySelect Technology Control LegacySelect technology control offers legacy-full,

RAID Level 1 Configuration RAID level 1 uses a data-redundancy storage technique known as mirroring to enhance data integrity. When data is written to

2. Follow the instructions on the screen to identify and resolve modem problems. Modem Helper is not available on certain computers. Windows Vista:

 Keyboard Problems   Check the keyboard cable —  l Ensure that the keyboard cable is firmly connected to the computer. l Shut down the computer

A program is designed for an earlier Windows operating system  Run the Program Compatibility Wizard —  Windows XP: The Program Compatibility Wizar

Mouse Problems   Check the mouse cable —  l Ensure that the cable is not damaged or frayed and check cable connectors for bent or broken pins. St

  If the power light is green and the computer is not responding — See Diagnostic Lights.  If the power light is blinking green — The computer is i

l For the desktop, see Power Supply l For the small form factor, see Power Supply  3. Connect your computer to a working electrical outlet. 

l Ensure that the scanner cables are securely connected to the scanner and the computer.  Verify that the scanner is recognized by Microsoft Windows

 Video and Monitor Problems   The screen is blank  The screen is difficult to read  Check the monitor cable connection —  l Ensure that the m

 Check the graphics card power cable connection — Ensure that the power cable for the graphics card(s) is correctly attached to the card.  Check the

Diagnostic Lights  To help troubleshoot a problem, your computer has four lights labeled 1, 2, 3, and 4 on the front panel. When the computer start

 5. Press the up- and down-arrow keys to select RAID0(Stripe), and press <Enter>.  6. Press the up- and down-arrow keys to change the stri

Beep Codes Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems. This series of beeps, called

Dell Diagnostics   When to Use the Dell Diagnostics If you experience a problem with your computer, perform the checks in this section and run the

system setup and is active. Start the Dell Diagnostics from either your hard drive or from the Drivers and Utilities media (an optional CD). See Start

 5. Select the Boot from CD-ROM option from the menu that appears.  6. Type 1 to start the Drivers and Utilities CD menu.  7. Type 2 to sta

Many drivers, such as the keyboard driver, come with your Microsoft Windows operating system. You may need to install drivers if you: l Upgrade your

4. Click the Drivers tab® Roll Back Driver. If Device Driver Rollback does not resolve the problem, then use System Restore (see Restoring Your Oper

Windows Vista:  1. Click the Windows Vista start button , and click Help and Support.  2. Type hardware troubleshooter in the search field and

1. Click Start® All Programs® Accessories® System Tools® System Restore.  2. Click Undo my last restoration and click Next. Windows Vista:  1.

6. Click Next. The System Restore screen appears and the computer restarts.  7. After the computer restarts, click OK.  Removing PC Restore: De

8. Click Finish to reboot the computer.  Using the Operating System Media  Before you Begin If you are considering reinstalling the Windows opera

 3. On the Actions menu, select Create RAID Volume to launch the Create RAID Volume Wizard, and then click Next.  4. On the Select Volume Locatio

Back to Contents Page  Ultra Small Form Factor Computer User's Guide About Your Ultra Small Form Factor Computer Removing the Computer C

 Side View  Back View  Back Panel Connectors 8 hard drive access light The hard drive access light is on when the computer reads data from or

 Connecting a VGA Monitor If you have a VGA monitor, plug the adapter cable into the white DVI video connector on the back panel of your computer, a

  1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Computer Cover).  3. If applicable, remove th

Chassis Intrusion Switch   Removing the Chassis Intrusion Switch  1. Follow the procedures in Before You Begin.  2. Remove the computer cov

 2. Reconnect the cable to the system board.  3. Replace the computer cover (see Replacing the Computer Cover).  4. If you are using a comp

Attaching the Cable Cover  1. Ensure that all external device cables are threaded through the hole in the cable cover.  2. Connect all device ca

 3. If your AC power cable has a green ground wire for connection to an electrical outlet, connect the metal ground connector to the grounding source

Back to Contents Page  1 release lever with tab in slot 2 slots (2)

Back to Contents Page User's Guide Module Bay Module Bay  You can install a Dell™ removable device such as a floppy drive, optical drive

 1. Set your computer to RAID-enabled mode (see Setting Your Computer to RAID-Enabled Mode).  2. Click the Start button and point to All Programs

 3. Press the device latch release so that the latch release pops out.  4. Pull the device by the latch release to remove the device from the

 1. To remove a device installed in the module bay, double-click the Safely Remove Hardware icon on the taskbar.  2. In the list of devices that

Back to Contents Page 

Back to Contents Page User's Guide Processor Processor    1. Follow the procedures in Before You Begin.  2. Remove the computer co

b. Gently lift the heat sink from the processor. c. Lay the heat sink down on its top, with the thermal grease facing upward.  5. Pull the rele

If you are installing a processor replacement kit from Dell, return the processor to Dell in the same package in which your replacement kit was sent

Back to Contents Page 

Back to Contents Page User's Guide Drives Drives Your computer supports: l One SATA (serial ATA) hard drive l One optional Dell D-modu

Connecting and Disconnecting Drive Cables When connecting and disconnecting a SATA data cable, hold the cable by the black connector at each end. Whe

 7. Disconnect the data and power cables from the drive connectors.  8. Remove the four screws that secure the drive rails to the existing hard

Back to Contents Page 

 11. Replace the computer cover (see Replacing the Computer Cover).  12. Replace the cable cover, if used. See the documentation that came wi

 4. Replace the hard drive fan: a. Plug the fan into the computer. b. Align the four side tabs and release tab on the fan with the five corre

Back to Contents Page User's Guide Speakers Speakers  Installing a Speaker   1. Follow the procedures in Before You Begin.  2. Rem

 5. Replace the computer cover.  6. Turn on power to the computer. Back to Contents Page 

Back to Contents Page User's Guide Ultra Small Form Factor Computer Specifications Ultra Small Form Factor Computer Specifications  Micr

Bus type SATA 1.0a and 2.0; USB 2.0 Bus speed SATA: 1.5 and 3.0 Gbps; USB: 480 Mbps  Drives Internal/External one D-module bay for an optical drive,

Back to Contents Page   Power DC external power supply:  NOTE: Power consumption from an AC power source can be zero when the computer is unplugged

Dell™OptiPlex™755User'sGuide Notes, Notices, and Cautions IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicr

Back to Contents Page  Warranty User's Guide Dell Inc. ("Dell") manufactures its hardware products from parts and components that

Back to Contents Page  Battery User's Guide Replacing the Battery Replacing the Battery  A coin-cell battery maintains computer config

 6. Install the new system battery. a. Support the battery connector by pressing down firmly on the positive side of the connector. b. Hold t

Back to Contents Page  Before You Begin User's Guide Recommended Tools Before Working Inside Your Computer This chapter provides proce

 2. Disconnect any telephone or telecommunication lines from the computer.  3. Disconnect your computer and all attached devices from their elect

Back to Contents Page  Cleaning Your Computer User's Guide Computer, Keyboard, and Monitor Mouse Floppy Drive CDs and DVDs  Co

iAMT Features  Basic Functionality l Ability to discover, track, and inventory assets in the presence or absence of the operating systems. The comp

Clean your floppy drive using a commercially available cleaning kit. These kits contain pretreated floppy disks to remove contaminants that accumulate

Back to Contents Page  Desktop Computer User's Guide About Your Desktop Computer Removing the Computer Cover Inside Your Computer 

 Back View  Back Panel Connectors 8 headphone connector Use the headphone connector to attach headphones and most kinds of speakers. 9 microphon

Removing the Computer Cover    1. Follow the procedures in Before You Begin.  2. If you have installed a padlock through the padlock ring on

Inside Your Computer   Chassis Intrusion Switch  1 security cable slot 2 cover release latch 3 padlock ring CAUTION: Before you begin any

 Removing the Chassis Intrusion Switch  1. Follow the procedures in Before You Begin.  2. Remove the computer cover (see Removing the Computer C

 1. Loosen the captive screw on each side of the heat sink assembly.   2. Rotate the heat sink assembly upward, and remove the assembly from the

Back to Contents Page  7 front-panel connector (FRONTPANEL) 18 serial connector (SERIAL2) 8 power connector (POWER) 19 system board speaker (BEEP) 9

Dell™OptiPlex™755User'sGuide Notes, Notices, and Cautions IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicr

Back to Contents Page User's Guide Cards Cards  YourDell™computersupportsaPS/2serialportadapterandprovidesthefollowingconne

l Contain only the setup.bin file To provision AMT using a USB key, plug the USB key into a USB port prior to boot. During POST, the BIOS displays

 4. If you are installing a card in an empty card connector on the system board, remove the filler bracket to create a card-slot opening at the back

 9. Gently rotate the release tab downward to move the card-retention latch into place to secure the cards.  10. Connect any cables that shoul

on the back panel of the computer.  14. Install any drivers required for the card as described in the card documentation.  Removing a PCI Card

 8. Rotate the release tab downward to snap the card-retention latch into place.  9. Replace the computer cover (see Replacing the Computer Cover)

7. Press the release tab to raise the card-retention latch.  8. Insert the card firmly into the card connector on the riser-card cage.  9. Lo

or line-in connectors on the back panel.  15. If you installed a network adapter card and want to turn off the integrated network adapter: a. E

 10. Replace the computer cover (see Replacing the Computer Cover), reconnect the computer and devices to electrical outlets, and then turn them on

 6. Before you close the card retention mechanism, ensure that: l The tops of all cards and filler brackets are flush with the alignment bar.

3. Gently lift the release tab on the card retention latch from the inside to pivot the latch open. Pivot the latch until it snaps into the open posit

 4. Gently lift the release tab on the card retention latch from the inside to pivot the latch open. Pivot the latch until it snaps into the open pos

l Monitor the status of your computer, such as listening for thermal alerts from temperature probes or hard drive failure alerts from storage device

 4. Gently lift the release tab on the card retention latch from the inside to pivot the latch open. Pivot the latch until it snaps into the open p

3. Mount the bracket into the desired card slot opening.  4. Plug the free end of the eSATA cable into the eSATA connector on the system board (s

 5. Plug the free end of the eSATA cable into the eSATA connector on the system board.  6. Replace the riser.  7. Replace the computer co

Back to Contents Page User's Guide Processor Processor   Removing the Processor  1. Follow the procedures in Before You Begin.  2.

3. Unpack the new processor, being careful not to touch the underside of the processor.  4. If the release lever on the socket is not fully extende

 13. Replace the computer cover (see Replacing the Computer Cover). Back to Contents Page  1 heat sink assembly 2 heat-sink assembly bracket 3 c

Back to Contents Page User's Guide Drives Drives Your computer supports: l One SATA (serial ATA) hard drive l One 3.5-inch drive bay (

 Power Cable Connectors  Connecting and Disconnecting Drive Cables When removing a cable with a pull-tab, grasp the colored pull-tab and pull un

 5. Press the release tabs on the plastic insert and press from behind to remove.  Replacing Drive Inserts If you are removing a drive, and n

 3. Pull up on the drive-release latch and slide the drive towards the back of the computer. Then, lift up to remove the drive from the computer.

Antitheft devices usually include a segment of metal-stranded cable with an attached locking device and key. The documentation that comes with the dev

 7. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.  8. Replace the computer cove

 5. Disconnect the power and data cables from the back of the floppy drive.  6. If you are not replacing the floppy drive or media card reader

 4. Attach the power and data cables to the floppy drive.  5. Align the shoulder screws with the screw guides, and slide the drive into the bay u

 5. Disconnect the cable from the back of the media card reader and from the system board.  6. If you are not replacing the media card reader

 2. If you are replacing an existing media card reader: Remove the four shoulder screws from the existing media card reader.  3. Insert the fou

 6. Replace the optical drive (see Optical Drive).  7. Check all cable connections, and fold cables out of the way to provide airflow for the f

 Installing a Hard Drive  1. Check the documentation for the drive to verify that it is configured for your computer.  2. Unpack the replaceme

5. Connect the power and data cables to the drive.  6. Locate the correct slot for the drive, and slide the drive into the bay until it clicks int

 3. Remove the computer cover (see Removing the Computer Cover).  4. Remove the optical drive (if your configuration has one). See Removing an

 16. Partition and logically format your drive.  17. Test the hard drive by running the Dell Diagnostics (see Dell Diagnostics).  18. Instal

About Smart Cards and Fingerprint Readers Smart cards are portable credit-card shaped devices with internal integrated circuits. The top surface of

Back to Contents Page User's Guide I/O Panel I/O Panel  Removing the I/O Panel    1. Follow the procedures in Before You Begin. 

Back to Contents Page  NOTE: Use the guides on the I/O panel bracket to help position the I/O panel in place and use the notch on the I/O panel brac

Back to Contents Page User's Guide Power Supply Power Supply  Replacing the Power Supply   1. Follow the procedures in Before You Begi

 11. Reconnect the DC power cables.  12. Replace the optical drive (see Optical Drive).  13. Connect the AC power cable to the connector.

 DC Power Connector P2  DC Power Connector P3   DC Power Connector P4  DC Power Connector P5 and P6 21 +5 VDC Red 22 +5 VDC Red 23 +5 VDC Re

Back to Contents Page   Pin Number  Signal name  18-AWG Wire 1 +3.3 VDC Orange 2 GND Black 3 +5 VDC Red 4 GND Black 5 +12 VDC Yellow

Back to Contents Page User's Guide Speakers Speakers  Installing a Speaker   1. Follow the procedures in Before You Begin.  2. Rem

 5. Replace the computer cover.  6. Turn on power to the computer. Back to Contents Page 

Back to Contents Page  Desktop Computer Specifications User's Guide  Microprocessor Microprocessor type The following are supported: l Int

supporting one device each  Expansion Bus Bus type PCI 2.3 PCI Express 1.0A SATA 1.0A and 2.0 USB 2.0 Bus speed PCI: 133 MB/s PCI Express x16: 8 GB/s

Typing Your System Password When you start or restart your computer, the following prompt appears on the screen. If Password Status is set to Locked:

Serial 9-pin connector; 16550C-compatible Parallel 25-pin connector (bidirectional) Video 15-pin VGA connector Network adapter RJ45 connector Optional

Back to Contents Page  Wattage 280 W Heat dissipation 955 BTU/hr  NOTE: Heat dissipation is calculated based upon the power supply rating. Voltage

Back to Contents Page  Installing Your Computer in an Enclosure User's Guide Installing your computer in an enclosure can restrict the airfl

l Do not install your computer in an enclosure that does not allow airflow. Restricting the airflow impacts your computer's performance, possibl

Back to Contents Page  FCC Notices (U.S. Only) User's Guide  FCC Class B This equipment generates, uses, and can radiate radio frequency en

Back to Contents Page  Finding Information User's Guide NOTE: Some features or media may be optional and may not ship with your computer. S

1. Click Start or ® Help and Support® Dell User and System Guides® System Guides. 2. Click the User's Guide for your computer. l Service T

Back to Contents Page   NOTE: The Operating System media may be optional and may not ship with your computer. The operating system is already instal

Back to Contents Page  Getting Help User's Guide Obtaining Assistance Problems With Your Order Product Information Returning Items

[email protected] (Latin America and Caribbean countries only) [email protected] (Asian/Pacific countries only) support.jp.dell.com (Japan only

3. Type and then verify the password. After you verify the password, the Admin Password setting changes to Set. The next time you enter system setup

Returns that are missing any of the preceding requirements will be refused at Dell's receiving dock and returned to you. Before You Call Rememb

Back to Contents Page  Glossary User's Guide Terms in this Glossary are provided for informational purposes only and may or may not describe

CD-RW — CD rewritable — A rewritable version of a CD. Data can be written to a CD-RW disc, and then erased and written over (rewritten). CD-RW drive —

E ECC — error checking and correction — A type of memory that includes special circuitry for testing the accuracy of data as it passes in and out of

HTTP — hypertext transfer protocol — A protocol for exchanging files between computers connected to the Internet. Hyperthreading — hyperthreading is

memory — A temporary data storage area inside your computer. Because the data in memory is not permanent, it is recommended that you frequently save y

processor — A computer chip that interprets and executes program instructions. Sometimes the processor is referred to as the CPU (central processing u

surge protectors — Prevent voltage spikes, such as those that may occur during an electrical storm, from entering the computer through the electrical

W W — watt — The measurement of electrical power. One W is 1 ampere of current flowing at 1 volt. WHr — watt-hour — A unit of measure commonly used t

Back to Contents Page  Memory User's Guide You can increase your computer memory by installing memory modules on the system board. Your comp