Dell 14R Bedienungshandbuch Seite 1

Inspiron 14/14R Owner’s ManualComputer model: Inspiron 3421/5421Regulatory model: P37G Regulatory type: P37G001book.book Page 1 Tuesday, November 27

10 | Before You BeginSafety InstructionsUse the following safety guidelines to protect your computer from potential damage and ensure your personal

After Working Inside Your Computer | 11After Working Inside Your ComputerAfter you complete the replacement procedures, ensure the following:• R

12 | Removing the BatteryRemoving the Battery WARNING: Before working inside your computer, read the safety information that shipped with your com

Replacing the Battery | 13Replacing the Battery WARNING: Before working inside your computer, read the safety information that shipped with your c

14 | Removing the Optical DriveRemoving the Optical Drive WARNING: Before working inside your computer, read the safety information that shipped w

Removing the Optical Drive | 154 Carefully pull the optical-drive bezel and remove it from the optical drive.1 screw 2 optical-drive bracket3 optica

16 | Replacing the Optical DriveReplacing the Optical Drive WARNING: Before working inside your computer, read the safety information that shipped

Removing the Keyboard | 17Removing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your c

18 | Removing the Keyboard2 Turn the computer over and open the display as far as possible.3 Using a plastic scribe, pry the keyboard from the tabs

Removing the Keyboard | 194 Lift and slide the keyboard towards the display to release the keyboard from the palm-rest and place the keyboard on the

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

20 | Replacing the KeyboardReplacing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your

Removing the Base Cover | 21Removing the Base Cover WARNING: Before working inside your computer, read the safety information that shipped wit

22 | Replacing the Base CoverReplacing the Base Cover WARNING: Before working inside your computer, read the safety information that shipped with

Removing the Memory Module(s) | 23Removing the Memory Module(s) WARNING: Before working inside your computer, read the safety information that shi

24 | Replacing the Memory Module(s)Replacing the Memory Module(s) WARNING: Before working inside your computer, read the safety information that s

Removing the Hard Drive | 25Removing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped wit

26 | Removing the Hard Drive4 Remove the screws that secure the hard-drive bracket to the hard drive.5 Using the pull-tab, lift the hard-drive brack

Replacing the Hard Drive | 27Replacing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with

28 | Removing the Wireless Mini-CardRemoving the Wireless Mini-Card WARNING: Before working inside your computer, read the safety information that

Removing the Wireless Mini-Card | 293 Slide and remove the wireless mini-card out of the mini-card connector.1 wireless mini-card 2 mini-card co

Contents | 3ContentsBefore You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Turn Off Your Computer and Connected Devices. . . . .

30 | Replacing the Wireless Mini-CardReplacing the Wireless Mini-Card WARNING: Before working inside your computer, read the safety information th

Removing the Palm-Rest | 31Removing the Palm-Rest WARNING: Before working inside your computer, read the safety information that shipped with your

32 | Removing the Palm-Rest2 Press the latches to release the palm-rest from the computer base.1 latches (4)1book.book Page 32 Tuesday, November 2

Removing the Palm-Rest | 333 Turn the computer over and open the display as far as possible.4 Remove the screws that secure the palm-rest to the com

34 | Removing the Palm-Rest6 Using a plastic scribe, gently lift and release the tabs on the palm-rest from the slots on the computer base. CAUTION

Replacing the Palm-Rest | 35Replacing the Palm-Rest WARNING: Before working inside your computer, read the safety information that shipped with yo

36 | Removing the Coin-Cell BatteryRemoving the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that s

Removing the Coin-Cell Battery | 37ProcedureUsing a plastic scribe, gently pry out the coin-cell battery out of the battery socket on the system boa

38 | Replacing the Coin-Cell BatteryReplacing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that

Removing the I/O Board | 39Removing the I/O Board WARNING: Before working inside your computer, read the safety information that shipped with your

4 | ContentsReplacing the Base Cover . . . . . . . . . . . . . . . . . . . 22Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40 | Removing the I/O BoardProcedure1 Lift the connector latch and, using the pull-tab, disconnect the I/O-board cable from the I/O-board.2 Remove t

Replacing the I/O Board | 41Replacing the I/O Board WARNING: Before working inside your computer, read the safety information that shipped wit

42 | Removing the Power-Adapter PortRemoving the Power-Adapter Port WARNING: Before working inside your computer, read the safety information that

Removing the Power-Adapter Port | 43Procedure1 Peel the tape that secures the display cable to the display-cable connector.2 Lift the connector

44 | Removing the Power-Adapter Port5 Disconnect the power-adapter-port cable from the system board.6 Note the power-adapter-port cable routing and

Replacing the Power-Adapter Port | 45Replacing the Power-Adapter Port WARNING: Before working inside your computer, read the safety informatio

46 | Removing the System BoardRemoving the System Board WARNING: Before working inside your computer, read the safety information that shipped wit

Removing the System Board | 47Procedure1 Peel the tape that secures the display cable to the system-board connector.2 Lift the connector latch and,

48 | Removing the System Board6 Remove the screw that secures the system board to the computer base.7 Lift the system board at an angle and release

Replacing the System Board | 49Replacing the System Board WARNING: Before working inside your computer, read the safety information that shipped w

Contents | 5Removing the Coin-Cell Battery. . . . . . . . . . . . . . 36Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

50 | Replacing the System BoardEntering the Service Tag in system setup1 Turn on the computer.2 Press <F2> during POST to enter the system set

Removing the Thermal-Cooling Assembly | 51Removing the Thermal-Cooling Assembly WARNING: Before working inside your computer, read the safety

52 | Replacing the Thermal-Cooling AssemblyReplacing the Thermal-Cooling Assembly WARNING: Before working inside your computer, read the safety in

Removing the Speakers | 53Removing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your c

54 | Removing the SpeakersProcedure1 Note the speaker-cable routing and remove the cable from its routing guides.2 Lift the speakers, along with the

Replacing the Speakers | 55Replacing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with

56 | Removing the Display AssemblyRemoving the Display Assembly WARNING: Before working inside your computer, read the safety information that shi

Removing the Display Assembly | 57Procedure1 Note the antenna cable routing and remove the cable from its routing guides.2 Remove the screws that se

58 | Replacing the Display AssemblyReplacing the Display Assembly WARNING: Before working inside your computer, read the safety information that s

Removing the Display Bezel | 59Removing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipped w

6 | ContentsReplacing the Thermal-Cooling Assembly . . . . . 52Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52Postrequ

60 | Removing the Display BezelProcedure1 Press the hinge covers on the sides and lift the hinge covers to remove them from the display assembly.2 U

Replacing the Display Bezel | 61Replacing the Display Bezel WARNING: Before working inside your computer, read the safety information that shi

62 | Removing the Display HingesRemoving the Display Hinges WARNING: Before working inside your computer, read the safety information that shipped

Removing the Display Hinges | 63Procedure1 Remove the screws that secure the display hinges to the display back-cover.2 Lift the display hinges off

64 | Replacing the Display HingesReplacing the Display Hinges WARNING: Before working inside your computer, read the safety information that shipp

Removing the Display Panel | 65Removing the Display Panel WARNING: Before working inside your computer, read the safety information that shipped wi

66 | Removing the Display PanelProcedure1 Remove the screws that secure the display panel to the display back-cover.2 Gently lift the display panel

Replacing the Display Panel | 67Replacing the Display Panel WARNING: Before working inside your computer, read the safety information that shipped

68 | Removing the Camera ModuleRemoving the Camera Module WARNING: Before working inside your computer, read the safety information that shipped w

Removing the Camera Module | 69Procedure1 Peel the tapes that secure the camera module to the display back-cover.2 Disconnect the camera cable f

Contents | 7Removing the Display Panel . . . . . . . . . . . . . . . . . 65Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70 | Replacing the Camera ModuleReplacing the Camera Module WARNING: Before working inside your computer, read the safety information that shipped

Flashing the BIOS | 71Flashing the BIOSThe BIOS may require flashing when an update is available or when replacing the system board. To flash the BI

8 | Contentsbook.book Page 8 Tuesday, November 27, 2012 12:06 PM

Before You Begin | 9Before You BeginTurn Off Your Computer and Connected Devices CAUTION: To avoid losing data, save and close all open files and e