Dell OptiPlex 745c (Early 2007) Uživatelský manuál

Dell™OptiPlex™745cUser'sGuide Finding Information Before You Begin Chassis Intrusion Switch Mini Tower Computer Drives Expansion Cards Advanc

Boot Sequence The computer attempts to boot from the sequence of devices specified in this list. Drives Diskette Drive (Internal default) This option

Video and Monitor Problems Fill out the Diagnostics Checklist as you complete these checks.   If the screen is blank  If the screen is difficult

Back to Contents Page   Movethemonitorawayfromexternalpowersources— Fans, fluorescent lights, halogen lamps, and other electrical devices

Back to Contents Page  Chassis Intrusion Switch Dell™OptiPlex™745cUser'sGuide Removing the Chassis Intrusion Switch Replacing the Cha

If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft®Windows®desktop. Then shut down your compu

Back to Contents Page  Replacing the System Board Dell™OptiPlex™745cUser'sGuide  Removing the System Board  1. Follow the procedures in

Back to Contents Page 

Back to Contents Page Dell™OptiPlex™745cUser'sGuide IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosof

Back to Contents Page  Mini Tower Computer Dell™OptiPlex™745cUser'sGuide About Your Mini Tower Computer Inside Your Computer About

 Back View  Back-Panel Connectors l No light — The computer is turned off. l Steady green — The computer is in a normal operating state. l Blin

1 parallel connector Connect a parallel device, such as a printer, to the parallel connector. If you have a USB printer, plug it into a USB connecto

(On default) improves with additional logical processors. On enables hyperthreading. Multiple CPU Core (On default) Determines whether the processor w

Inside Your Computer    System Board Components CAUTION: Before you begin any of the procedures in this section, follow the safety instructi

Back to Contents Page  (SLOT1) 4 memory module connectors (DIMM_1, DIMM_2, DIMM_3, DIMM_4) 15 PCI Express x1 connector (SLOT4) 5 RTC reset jumper (RT

Back to Contents Page  Troubleshooting Tools and Utilities Dell™OptiPlex™745cUser'sGuide Dell Diagnostics System Lights Diagnostic

 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 star

Diagnostic Lights  To help you troubleshoot a problem, your computer has four lights labeled "1," "2," "3," and "

 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, calle

Error Messages Fill out the Diagnostics Checklist as you complete these checks.  If the message is not listed, see the documentation for the operat

See Lockups and Software Problems.  Hard-diskconfigurationerror—   Hard-diskcontrollerfailure—   Hard-diskdrivefailure—   Hard-

Notenoughmemoryorresources.Closesomeprogramsandtryagain— Close all windows and open the program that you want to use. In some cases, you

Resolving Software and Hardware Incompatibilities If a device is either not detected during the operating system setup or is detected but incorrectl

 Boot Sequence This feature allows you to change the boot sequence for devices.  NOTE: By activating service, you consent to transmission of data fr

Back to Contents Page  Warranty Dell™OptiPlex™745cUser'sGuide Dell Inc. ("Dell") manufactures its hardware products from parts

Option Settings l USB Device — The computer attempts to boot from the USB device. If no operating system is present, the computer generates an error

3. From the boot menu, select the number that appears next to the USB device. The computer boots to the USB device.  Floppy Drive  1. In system se

5. After the Microsoft®Windows®desktop appears on your computer, shut down your computer (see Turning Off Your Computer).  6. Turn off the monit

l Standby. In this sleep mode, power is reduced or turned off for most components, including the cooling fans. However, system memory remains active.

Back to Contents Page  Battery Dell™OptiPlex™745cUser'sGuide Replacing the Battery Replacing the Battery  A coin-cell battery maint

 5. 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 Dell™OptiPlex™745cUser'sGuide Recommended Tools Turning Off Your Computer Before Working I

Back to Contents Page  Advanced Features Dell™OptiPlex™745cUser'sGuide LegacySelect Technology Control Manageability Physical Secu

 3. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board. 

Back to Contents Page  Cleaning Your Computer Dell™OptiPlex™745cUser'sGuide Computer, Keyboard, and Monitor Mouse Floppy Drive 

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  FCC Notices (U.S. Only) Dell™OptiPlex™745cUser'sGuide  FCC Class B This equipment generates, uses, and can radiat

Back to Contents Page  Finding Information Dell™OptiPlex™745cUser'sGuide NOTE: Some features or media may be optional and may not ship w

l Use the Service Tag to identify your computer when you use support.dell.com or contact support. l Enter the Express Service Code to direct your ca

Back to Contents Page  Your operating system product key label is located on your computer (see Service Tag and Microsoft® Windows® License).  NOTE:

Back to Contents Page  Getting Help Dell™OptiPlex™745cUser'sGuide Obtaining Assistance Problems With Your Order Product Informatio

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

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

The DCM console also allows you to: l Access information about your computer, such as how many processors it has and what operating system it is runn

Aomen Country Code: 853 Technical Support toll-free:0800-105 Customer Service (Xiamen, China) 34 160 910 Transaction Sales (Xiamen, China) 29 693 115

Brunei Country Code: 673 Technical Support (Penang, Malaysia) 6046334966 Customer Service (Penang, Malaysia) 6046333101 or toll-free: 801 1012 Tra

Czech Republic (Prague) International Access Code: 00 Country Code: 420 Online Support support.euro.dell.com [email protected] Technical Support 2

Country Code: 49 City Code: 69 Global Segment Customer Service 0699792-7320 Preferred Accounts Customer Service 0699792-7320 Large Accounts Customer

Ireland (Cherrywood) International Access Code: 00 Country Code: 353 City Code: 1 Business computers 1850543543 Home computers 1850 543 543 At Home

City Code: 2 Switchboard 2194-6000 Latin America Customer Technical Support (Austin, Texas, U.S.A.) 512728-4093 Customer Service (Austin, Texas, U.S.

International Access Code: 00 Country Code: 47 Relational Customer Service 67117575 Home/Small Business Customer Service 23162298 Switchboard 671168

South Africa (Johannesburg) International Access Code: 09/091 Country Code: 27 City Code: 11 Online Support support.euro.dell.com dell_za_support@dell

Turks and Caicos Islands Online Support [email protected] Technical Support, Customer Service, Sales toll-free:1-877-441-4735 U.K. (Bracknell)

Back to Contents Page  Venezuela Online Support www.dell.com/ve [email protected] Technical Support, Customer Service, Sales 0800-100-4752

l Set iAMT configuration modes To view the MEBx setup screen, press <Ctrl-P> during system post or system boot. Your default MEBx password is

Back to Contents Page  Glossary Dell™OptiPlex™745cUser'sGuide Terms in this Glossary are provided for informational purposes only and may

but you can write to CD-R discs only once. CD-RW/DVD drive — A drive, sometimes referred to as a combo drive, that can read CDs and DVDs and write to

ENERGY STAR®— Environmental Protection Agency requirements that decrease the overall consumption of electricity. EPP — enhanced parallel port — A par

I IC — integrated circuit — A semiconductor wafer, or chip, on which thousands or millions of tiny electronic components are fabricated for use in co

Mini PCI — A standard for integrated peripheral devices with an emphasis on communications such as modems and NICs. A Mini PCI card is a small externa

RAM — random-access memory — The primary temporary storage area for program instructions and data. Any information stored in RAM is lost when you shut

SXGA+ — super-extended graphics array plus — A video standard for video cards and controllers that supports resolutions up to 1400 x 1050. system boar

write-protected — Files or media that cannot be changed. Use write-protection when you want to protect data from being changed or destroyed. To write-

Back to Contents Page  Memory Dell™OptiPlex™745cUser'sGuide DDR2 Memory Overview Addressing Memory With 4-GB or Greater Configuration

Addressing Memory With 4-GB or Greater Configurations (32-bit Operating Systems Only) This computer supports a maximum of 8 GB of memory. Current 32

 4. Press the down-arrow key to move to the Chassis Intrusion setting.  5. Press <Enter> to select an option setting.  6. Press <En

 2. Press out the securing clip at each end of the memory module connector.  3. Align the notch on the bottom of the module with the crossbar

10. Run the Dell Diagnostics (see Dell Diagnostics) to verify that the memory modules are operating properly. Back to Contents Page 

Back to Contents Page  Expansion Cards Dell™OptiPlex™745cUser'sGuide Installing an Expansion Card Removing an Expansion Card  Your

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

 3. If necessary, disconnect any cables connected to the card.  4. Grasp the card by its top corners, and ease it out of its connector.  5.

 11. If you removed an network-adapter card connector: a. Enter system setup, select Network Controller, and change the setting to On (see Syste

Back to Contents Page Dell™OptiPlex™745cUser'sGuide Processor Processor   Removing the Processor  1. Follow the procedures in Befor

 5. 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

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

d. Once the process is complete, the computer either restarts automatically or prompts you to restart your computer. Security Management Software

Back to Contents Page  Drives Dell™OptiPlex™745cUser'sGuide General Installation Guidelines Hard Drive Drive-Panel Inserts Flop

Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled-in hole on the

 5. 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.

 4. Gently spread the sides of the drive bracket and slide the hard drive into the bracket until the drive clicks into place.  5. Carefully

 12. Exit system setup, and reboot the computer.  13. Partition and logically format your drive before you proceed to the next step. See the d

 8. Attach the SATA connector removed in step5 to the first hard drive.  9. Locate an unused SATA connector on the system board and attach a d

 3. Select the drive-panel insert in front of the drive bay that you want to use.  4. Gently press the release tab of the insert to remove it f

  Removing the Floppy Drive  1. Follow the procedures in Before You Begin.  2. Remove the drive panel by sliding the drive release latch downwa

 4. Attach the power and data cables to the floppy drive.  5. Replace the computer cover (see Replacing the Computer Cover).  6. Enter sys

 Installing an Optical Drive  1. Follow the procedures in Before You Begin.  2. If you are replacing an optical drive, remove the shoulder sc

To escape from the field without assigning a system password, press <Tab> or the <Shift><Tab> key combination to move to another fie

 6. Connect the power and data cables to the drive and to the system board.  7. Check all cable connections, and fold cables out of the way to p

Back to Contents Page Dell™OptiPlex™745cUser'sGuide I/O Panel I/O Panel  Removing the I/O Panel    1. Follow the procedures in Bef

Back to Contents Page Dell™OptiPlex™745cUser'sGuide Power Supply Power Supply  Replacing the Power Supply   1. Follow the procedure

10. Connect the AC power cable to the AC power connector.  11. Replace the computer cover (see Replacing the Computer Cover).  DC Power Connect

 DC Power Connector P2  DC Power Connectors P3, P5, P8, and P9  DC Power Connector P7  DC Power Connector P10 21 +5 VDC Red 22 +5 VDC Red 23 +5

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 Dell™OptiPlex™745cUser'sGuide Removing the Computer Cover Removing the Computer Cover    1. Follow the proced

Back to Contents Page Dell™OptiPlex™745cUser'sGuide Mini Tower Computer Specifications Mini Tower Computer Specifications  Microproce

USB 2.0 Bus speed PCI: 133 MB/s PCI Express x16: 8 GB/s bidirectional speed PCI Express x1: 5 Gbps SATA: 1.5 Gbps and 3.0 Gbps USB: 480 Mbps Cards: fu

Back to Contents Page  Controls and Lights Power control push button Power light green light — blinking green indicates sleep mode; solid green indic

 Administrator Password  Option Settings You cannot change or enter a new administrator password if either of the following two options is displaye

Back to Contents Page  Microsoft® Windows® XP and Windows® Vista™Features Dell™OptiPlex™745cUser'sGuide Transferring Information to a N

 8. Click Finish. To transfer data to the new computer:  1. On the Now go to your old computer screen on the new computer, click Next.  2. On

 WindowsVista™  1. Click the Windows Vista Start button, and then click Transfer files and settings® Start Windows Easy Transfer.  2. In the

For information on how to back up your data, or to find Windows Vista compatible drivers/updates for your Dell-installed applications:  1. Go to supp

 1. Connect the network cable to the network adapter connector on the back of your computer. Insert the cable until it clicks into place, and then

Back to Contents Page  Replacing the Computer Cover Dell™OptiPlex™745cUser'sGuide   1. Ensure that all cables are connected, and fold c

Back to Contents Page  Reinstalling Drivers and the Operating System Dell™OptiPlex™745cUser'sGuide Drivers Using Microsoft®Windows®

 1. Click the Start button and click Control Panel.  2. Under Pick a Category, click Performance and Maintenance.  3. Click System.  4. I

Restoring the Computer to an Earlier Operating State  1. Click the Start button, point to All Programs® Accessories® System Tools, and then click Sys

If you are considering reinstalling the Windows XP operating system to correct a problem with a newly installed driver, first try using Windows XP Dev

System Setup  Overview Use system setup as follows: l To change the system configuration information after you add, change, or remove any hardwar

 9. If the Modem Dialing Information screen appears, enter the requested information and click Next.  10. Enter the date, time, and time zone i

Back to Contents Page  Solving Problems Dell™OptiPlex™745cUser'sGuide Troubleshooting Tips Battery Problems Card Problems Drive

Drive Problems   Fill out the Diagnostics Checklist as you complete these checks.  Optical drive problems computer cover (see the appropriate &qu

 Problems writing to a CD/DVD-RW drive  Hard drive problems E-Mail, Modem, and Internet Problems   NOTE: Because of different regions worldwid

Keyboard Problems  Fan Problems   Lockups and Software Problems   The computer does not start up  The computer stops responding CAUTION:

 A program stops responding  A program crashes repeatedly  A solid blue screen appears  Other software problems Memory Problems Fill out the Dia

Mouse Problems  Network Problems Fill out the Diagnostics Checklist as you complete these checks.   Ifyoureceiveaninsufficientmemorymessa

Power Problems Fill out the Diagnostics Checklist as you complete these checks.  Printer Problems Fill out the Diagnostics Checklist as you compl

Restoring Default Settings Serial or Parallel Device Problems Fill out the Diagnostics Checklist as you complete these checks.  CAUTION: Before

Sound and Speaker Problems Fill out the Diagnostics Checklist as you complete these checks.   No sound from speakers  No sound from headphones C