Dell 5458 Manual de Serviço Página 1

Inspiron 145000 SeriesService ManualComputer Model: Inspiron 14–5458Regulatory Model: P64GRegulatory Type: P64G001

Before working inside your computerCAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contact

Getting help and contacting DellSelf-help resourcesYou can get information and help on Dell products and services using these online self-help resourc

NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product

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• Plastic scribe12

After working inside your computerCAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.1 Replace all screws

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

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

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

2 Using a plastic scribe, slide the optical-drive assembly out of the optical-drive bay.1 screw 2 plastic scribe3 computer base 4 optical-drive assem

4 Remove the screws that secure the optical-drive bracket to the optical drive and remove the optical-drive bracket.1 optical-drive bezel 2 optical d

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

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

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

2 Using a plastic scribe, gently release the tabs that secure the keyboard to the palm-rest assembly.1 plastic scribe 2 keyboard3 palm-rest assembly

4 Lift the latches and disconnect the keyboard cable and the keyboard-backlight cable from the system board.NOTE: The keyboard-backlight cable is pre

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

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

2 Using your fingertips, gently pry the base cover off the computer base.1 computer base 2 screws (2)3 base cover25

Replacing the base coverWARNING: 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

1 plastic scribe 2 coin-cell battery3 battery socket28

Replacing the coin-cell batteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

ContentsBefore working inside your computer... 10Before you begin ...

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

3 Lift the hard-drive assembly off the computer base.1 screws (4) 2 hard-drive assembly3 hard-drive cable 4 latch4 Disconnect the hard-drive interpo

5 Remove the screws that secure the hard-drive bracket to the hard drive and lift the hard drive off the hard-drive bracket.1 hard drive 2 hard-drive

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

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

2 Slide and remove the memory module from the memory-module slot.1 securing clips (2) 2 memory module35

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

2 Slide the memory module firmly into the slot at an angle and gently press the memory module down until it clicks into place.NOTE: If you do not hea

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

4 Slide and remove the wireless card out of the wireless-card slot.1 wireless card 2 wireless-card slot3 screw 4 antenna cables (2)5 wireless-card br

Removing the base cover... 24Prerequisites...

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

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

2 Remove the screws that secure the computer base to the palm-rest assembly.1 optical-drive cable 2 latch3 screws (2)3 Close the display and turn th

4 Remove the screws that secure the computer base to the palm-rest assembly.1 screws (13) 2 computer base5 Using a plastic scribe, pry up the comput

6 Lift the computer base off the palm-rest assembly.1 palm-rest assembly 2 plastic scribe3 computer base44

7 Lift the optical-drive interposer along with the cable off the computer base.1 computer base 2 optical-drive interposer3 optical-drive cable45

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

Removing the optical-drive interposerWARNING: Before working inside your computer, read the safety information that shipped with your computer and fol

3 Lift the optical-drive interposer along with the cable off the computer base.1 computer base 2 optical-drive interposer3 optical-drive cable48

Replacing the optical-drive interposerWARNING: Before working inside your computer, read the safety information that shipped with your computer and fo

Removing the wireless card... 38Prerequisites...

Removing the heat-sink assemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

4 Lift the heat-sink assembly off the system board.1 screws (3) 2 fan cable3 heat-sink assembly 4 captive screws (3)5 system board51

Replacing the heat-sink assemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the I/O boardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

4 Lift the I/O board off the palm-rest assembly.1 I/O board 2 I/O-board cable3 latch 4 screw54

Replacing the I/O boardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

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

2 Lift the latches and disconnect the touch-pad cable and the power-button board cable from the system board.1 power-button board cable 2 palm-rest a

7 Remove the screw that secures the system board to the palm-rest assembly.1 screw 2 display cable3 speaker cable 4 system board5 palm-rest assembly

8 Lift the system board off the palm-rest assembly and carefully turn the system board over.1 system board 2 palm-rest assembly9 Disconnect the powe

Removing the I/O board... 53Prerequisites...

11 Lift the system board off the palm-rest assembly.1 system board 2 power-adapter port cable3 I/O-board cable 4 latch60

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

12 Slide the touch-pad cable and the power-button board cable into their connectors on the system board and press down the latches to secure the cabl

Removing the power-adapter portWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

3 Lift the power-adapter port, along with the power-adapter port cable, off the palm-rest assembly.1 screw 2 power-adapter port3 power-adapter port c

Replacing the power-adapter portWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the power-button boardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

3 Lift the power-button board, along with its cable, off the palm-rest assembly.1 screw 2 power-button board 3 tape 4 power-button board cable67

Replacing the power-button boardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

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

Removing the speakers...69Prerequisites...

2 Lift the speakers, along with the speaker cable, off the palm-rest assembly.1 speaker cable 2 speakers (2)3 palm-rest assembly70

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

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

2 Note the display-cable routing and remove the cable from its routing guides on the palm-rest assembly.1 display cable 2 routing guides3 antenna cab

6 Carefully lift the display assembly from the palm-rest assembly.1 computer base 2 screws (3)3 display hinges (2) 4 display assembly74

7 Carefully place the display assembly on a clean, flat surface.1 display assembly75

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

Removing the palm-rest assemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

1 palm-rest assembly78

Replacing the palm-rest assemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the camera...83Prerequisites...

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

Procedure1 Using your fingertips, gently pry up the inner edges of the display bezel.1 display bezel 2 display panel2 Lift the display bezel off the

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

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

2 Using a plastic scribe, gently pry the camera off the display back-cover.1 plastic scribe 2 camera cable3 camera 4 display back-cover84

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

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

2 Turn the display panel over.1 screws (4) 2 display panel3 display-back cover3 Peel the tape that secures the display cable to the display panel.4

5 Lift the display panel off the display back-cover.1 display back-cover 2 latch3 display cable 4 tape5 display panel88

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

Removing the display back-cover and antenna assembly...96Prerequisi

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

2 Carefully lift the display hinges off the display back-cover.1 screws (12) 2 display hinges (2)3 display back-cover91

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

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

4 Note the camera cable routing and remove the camera cable from the display back-cover.1 display cable 2 display back-cover3 camera cable 4 tape94

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

Removing the display back-cover and antenna assemblyWARNING: Before working inside your computer, read the safety information that shipped with your c

1 display back-cover and antenna assembly.97

Replacing the display back-cover and antenna assemblyWARNING: Before working inside your computer, read the safety information that shipped with your

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