Dell Inspiron M521R (5525, Mid 2012)- User Manual

After Working Inside Your Computer | 9 2 After Working Inside Your Computer After you complete replacement procedures, ensure the following: • Replace all screws and ensure that no stray screws remain inside your computer • Connect any external devices, cables, cards, and any other part(s) you remov...

Switch | 11 3 Switch WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory...

12 | Switch Replacing the Switch Procedure 1 Align the tabs at the bottom of the switch with the slots on the display cover and snap the switch into place. 2 Follow the instructions in "After Working Inside Your Computer" on page 9. 1 display cover 2 slots 3 tabs 4 switch 4 1 2 3 book.book P...

Battery | 13 4 Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulato...

Keyboard | 15 5 Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regula...

16 | Keyboard 3 Carefully turn the keyboard over and place it on the palm rest. 4 Lift the connector latch and pull the pull-tab to disconnect the keyboard cable from the connector on the system board. 5 Lift the keyboard away from the computer. Replacing the Keyboard Procedure 1 Slide the keyboard ...

Base Cover | 17 6 Base Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/re...

18 | Base Cover Replacing the Base Cover Procedure 1 Slide the tabs on the base cover into the slots on the computer base and snap the base cover into place. 2 Tighten the captive screws that secure the base cover to the computer base. Postrequisites 1 Replace the battery. See "Replacing the Bat...

Hard Drive | 21 8 Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/re...

Hard Drive | 23 4 Remove the screws that secure the hard-drive bracket to the hard drive. 5 Lift the hard drive off the hard-drive bracket. Replacing the Hard Drive Procedure 1 Remove the new hard drive from its packaging. Save the original packaging for storing or shipping the hard drive. 2 Align t...

Optical Drive | 25 9 Optical Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell....

26 | Optical Drive 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 the optical drive. 5 Remove the optical-drive bracket. Replacing the Optical Drive Procedure 1 Align the screw holes on the optical-d...

Palm Rest | 27 10 Palm Rest WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/reg...

Palm Rest | 31 Replacing the Palm Rest Procedure 1 Slide the status-lights cable into the connector on the system board and press down on the connector latch to secure the cable. 2 Align the palm rest with the computer base and gently snap the palm rest into place. 3 Slide the hot-key board cable, p...

Power-Adapter Port | 33 11 Power-Adapter Port WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepa...

34 | Power-Adapter Port 3 Disconnect the power-adapter port cable from the connector on the system board. 4 Lift the power-adapter port off the computer base. Replacing the Power-Adapter Port Procedure 1 Place the power-adapter port in the slot on the computer base. 2 Connect the power-adapter port ...

Display Assembly | 35 12 Display Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage a...

Display Assembly | 37 Replacing the Display Assembly Procedure 1 Place the display assembly in position and replace the screws that secure the display assembly to the computer base. 2 Route the display cable through the routing guides and connect the display cable to the connector on the system boar...

38 | Display Assembly Procedure CAUTION: The display bezel is extremely fragile. Be careful when removing it to prevent damaging the display bezel. 1 Using your fingertips, carefully pry up the inside edge of the display bezel. 2 Remove the display bezel. Replacing the Display Bezel Procedure Align ...

Display Assembly | 39 Removing the Hinge Caps Prerequisites 1 Remove the battery. See "Removing the Battery" on page 13. 2 Remove the keyboard. See "Removing the Keyboard" on page 15. 3 Remove the base cover. See "Removing the Base Cover" on page 17. 4 Remove the palm rest. S...

40 | Display Assembly Replacing the Hinge Caps Procedure 1 Slide the antenna cables through the slot on the hinge cover 2 Align the screw holes on the hinge caps with the screw holes on the display cover. 3 Replace the screws that secure the hinge caps to the display cover. Postrequisites 1 Replace ...

Display Assembly | 43 5 Turn the display panel over and place it on a clean surface. 6 Remove the screws that secure the display-panel brackets to the display panel. 7 Remove the display-panel brackets off the display panel. Replacing the Display Panel Procedure 1 Align the screw holes on the displa...

Camera Module | 45 13 Camera Module WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell...

48 | Camera Module Replacing the Camera Module Procedure 1 Use the alignment posts on the display cover to place the camera module in position. Ensure that the camera module is secured under the tab on the display cover. 2 Connect the camera cable to the connector on the camera module. 3 Replace the...

System Board | 49 14 System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.c...

52 | System Board 6 Remove the screws that secure the system board to the computer base. 7 Lift the system board to disconnect the connector on the system board from the connector on the daughter board. 8 Lift the system board at an angle and release the connectors on the system board from the slots...

System Board | 53 6 Slide the Media Card Reader cable into the connector on the system board and press down on the connector latch to secure the cable. 7 Connect the display cable to the connector on the system board and adhere the tape that secures the cable to the system board. 8 Connect the power...

Thermal-Cooling Assembly | 55 15 Thermal-Cooling Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compl...

Thermal-Cooling Assembly | 57 Replacing the Thermal-Cooling Assembly Procedure 1 Align the screw holes on the thermal-cooling assembly with the screw holes on the system board. 2 In sequential order (indicated on the thermal-cooling assembly), replace screws that secure the thermal-cooling assembly ...

Processor | 59 16 Processor WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/reg...

Processor | 61 Replacing the Processor Procedure NOTE: If you install a new processor, a new thermal cooling assembly including an affixed thermal pad or a new thermal pad along with documentation to illustrate proper installation is shipped. 1 Align the pin-1 corner of the processor module with the...

Coin-Cell Battery | 63 17 Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage...

Coin-Cell Battery | 65 Replacing the Coin-Cell Battery Procedure With the positive-side facing up, snap the coin-cell battery into the battery socket on the system board. Postrequisites 1 Follow the instructions from step 3 to step 10 in "Replacing the System Board" on page 52. 2 Replace the...

Speakers | 67 18 Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regul...

Speakers | 69 Replacing the Speakers Procedure 1 Align the screw holes on the speakers with the screw holes on the computer base and place the speakers on the computer base. 2 Replace the screws that secure the speakers to the computer base. Postrequisites 1 Follow the instructions from step 3 to st...

Media Card Reader | 71 19 Media Card Reader WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage...

Media Card Reader | 73 Replacing the Media Card Reader Procedure 1 Align the screw holes on the Media Card Reader with the screw holes on the computer base and place the Media Card Reader on the computer base. 2 Replace the screw that secures the Media Card Reader to the computer base. Postrequisite...

Daughter Board | 75 20 Daughter Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at de...

Daughter Board | 77 Replacing the Daughter Board Procedure 1 Align the screw holes on the daughter board with the screw holes on the computer base. 2 Replace the screws that secure the daughter board to the computer base. Postrequisites 1 Replace the display assembly. See "Replacing the Display ...

Mini-Card | 79 21 Mini-Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/reg...

80 | Mini-Card 3 Lift the Mini-Card out of the connector on the daughter board. CAUTION: When the Mini-Card is not in the computer, store it in protective antistatic packaging. For more information, see "Protecting Against Electrostatic Discharge" in the safety information that shipped with ...

Flashing the BIOS | 83 22 Flashing the BIOS The BIOS may require flashing when an update is available or when replacing the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to support.dell.com/support/downloads . 3 Locate the BIOS update file for your computer: NOTE: The Service Tag for...