Dell Inspiron 20 (3048, Early 2014) Uživatelský manuál

Inspiron 20Owner's ManualComputer Model: Inspiron 20 Model 3048Regulatory Model: W09BRegulatory Type: W09B001

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Reg

• Philips screwdriver• Flat-head screwdriver• Plastic scribe11

After Working Inside Your ComputerCAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.1 Replace all screws

Technical OverviewWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Be

System Board Components 1 fan-cable connector (FAN_CPU) 2 processor (CPU1)3 power-adapter port cable connector (ATX2)4 converter-board cable connector

9 touch-control board cable connector (optional) (TOUCH)10 speaker-cable connector (SPEAKER)11 memory-module slot (DIMM1) 12 memory-module slot (DIMM2

Removing the Stand AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

5 Pivot the stand assembly upward and slide it away from the computer.1 screws (4) 2 back cover3 stand assemblyTo remove either the stand base or sta

8 Slide the stand base off the stand riser.1 stand riser 2 screw handle3 captive thumbscrew 4 stand base18

Replacing the Stand AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the s

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

Removing the Back CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Replacing the Back CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Hard DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

3 Disconnect the hard-drive and optical-drive power and data cable from the hard-drive assembly.1 hard-drive and optical-drive power and data cable2

5 Lift the hard drive off the hard-drive bracket.1 hard drive 2 hard-drive bracket3 pins (4)24

Replacing the Hard DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Optical DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

3 Carefully pry the optical-drive bezel and remove it from the optical-drive assembly.4 Remove the screws that secure the optical-drive bracket to t

Replacing the Optical DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the Memory Module(s)WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

ContentsBefore Working Inside Your Computer... 9Before You Begin ...

Procedure1 Using the pull tab, slide the memory-module shield and remove it from the system-board shield.1 pull tab 2 memory-module shield3 system-bo

3 Remove the memory module from the memory-module slot.1 memory module 2 memory-module slot31

Replacing the Memory Module(s)WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

ProcedureNOTE: If you are installing only one memory module, insert the memory module in the memory-module slot marked as DIMM1.1 Align the notch on

1 memory module3 Slide the tabs on the memory-module shield under the tabs on the system-board shield until the memory-module shield is fully secured

Removing the Control-Buttons BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow

3 Lift the control-buttons board away from the display bezel.1 control-buttons board 2 Mylar sheet3 plastic scribe 4 control-buttons board cable36

Replacing the Control-Buttons BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follo

Removing the Converter BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the s

3 Lift the converter board off the display-panel base.1 converter-board cables (2) 2 converter board 3 screws (2)39

Replacing the Hard Drive... 25Procedure...

Replacing the Converter BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

Removing the System-Board ShieldWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Replacing the System-Board ShieldWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow

Removing the AntennaWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

5 Lift the antennas along with the cables off the display-panel base.1 camera cable 2 routing guide3 wireless card 4 antenna cables (2)5 antennas (2)

Replacing the AntennaWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Removing the VESA-Mount BracketWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

Replacing the VESA-Mount BracketWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the Speaker CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

Replacing the Speaker CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Replacing the Converter Board...40Procedure...

Removing the MicrophoneWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

4 Remove the microphone-module bracket off the microphone module.1 screws (2) 2 microphone-module bracket3 microphone cable 4 microphone module51

Replacing the MicrophoneWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Power-Adapter PortWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

4 Lift the power-adapter port along with the cable off the display-panel base.1 power-adapter port cable 2 power-adapter port3 display-panel base 4 s

Replacing the Power-Adapter PortWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the Wireless CardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

3 Slide and remove the wireless card from the wireless-card slot on the system board.1 antenna cables (2) 2 screw3 wireless card 4 wireless-card slo

Replacing the Wireless CardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the Heat SinkWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Replacing the Speaker Cover...49Procedure...

3 Lift the heat sink off the system board.1 screw 2 heat sink3 captive screws (7) 4 system board60

Replacing the Heat SinkWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Coin-Cell BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

3 Using a plastic scribe, gently pry out the coin-cell battery from the battery socket on the system board.1 tab 2 protective cover3 plastic scribe 4

Replacing the Coin-Cell BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

Removing the SpeakersWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

4 Lift the speakers along with the cable off the display bezel.1 speaker cable 2 screws (4) 3 speakers (2) 4 display bezel 66

Replacing the SpeakersWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Removing the FanWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Befo

3 Lift the fan along with its cable off the display-panel base.1 fan 2 screws (2)3 fan cable69

Replacing the Heat Sink...61Procedure...

Replacing the FanWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Bef

Removing the System BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the step

Procedure 1 Lift the connector latch and disconnect the display cable from the system board.2 Disconnect the fan cable, power-adapter port cable, co

11 touch-control board cable (optional)12 speaker cable3 Remove the screws that secure the system board to the display-panel base.4 Lift the system

Replacing the System BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

Removing the CameraWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in B

4 Disconnect the converter-board cable from the display panel.1 routing guide 2 camera cable3 system board 4 speaker cable5 control-buttons board cab

6 Push and release the tabs that secure the display-panel base to the display bezel.1 tabs (3) 2 screws (16)3 display bezel 4 display-panel base7 No

10 Release the touch-control board cable (optional) and display cable through the slots on the display-panel base.1 display cable 2 connector latch3

11 Lift the display-panel base off the display panel and keep it on a flat and clean surface.1 display-panel base12 Remove the screws that secure th

Replacing the System Board...74Procedure...

13 Carefully lift the camera assembly and turn it over.1 display bezel 2 camera assembly3 screws (2)14 Disconnect the camera cable from the camera a

Replacing the CameraWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Post-requisites1 Replace the VESA-mount bracket.2 Replace the system-board shield.3 Follow the procedure from step 4 and step 5 in “Replacing the O

Flashing the BIOSYou may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS:1 Turn o

Getting Help and Contacting DellSelf-Help ResourcesYou can get information and help on Dell products and services using these online self-help resourc

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Before Working Inside Your ComputerCAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contact