Dell 17R SE (7720)- User Manual

3 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_complianc...

1 2 Replacing the Switch Align the tabs at the bottom of the switch with the slots on the display cover and snap the switch into place. NOTE: Ensure that the tabs on the switch are secured in the slots on the display cover. 2 1 1 tabs 2 slots Follow the instructions in "After Working Inside Your...

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/regulatory_compliance...

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/regulatory_complianc...

Procedure CAUTION: The keycaps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handling the keyboard. 1 Turn the computer over and open the display as far as possible. 2 Using a plastic scribe, release the keyboard from the tabs on the palm ...

Replacing the Keyboard Procedure 1 Slide the keyboard cable into the system-board connector and press down on the connector latch to secure the cable. 2 Slide the tabs at the bottom of the keyboard into the slots on the palm rest and place the keyboard on the palm rest. 3 Gently press around the edg...

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/regulatory_complia...

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 Battery" on pag...

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.com/regulatory_comp...

Replacing the Optical Drive Procedure 1 Align the screw holes on the optical-drive bracket with the screw holes on the optical drive. 2 Replace the screws that secure the optical-drive bracket to the optical drive. 3 Align the tabs on the optical-drive bezel with the slots on the optical-drive assem...

10 Wireless 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/regulator...

Replacing the Wireless Mini-Card Procedure 1 Remove the new Mini-Card from its packaging. 2 Align the notch on the Mini-Card with the tab on the system-board connector. CAUTION: Use firm and even pressure to slide the Mini-Card into place. If you use excessive force, you may damage the connector. CA...

11 mSATA Card (Optional) 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...

Replacing the mSATA Card Procedure 1 Remove the new mSATA card from its packaging. 2 Align the notch on the mSATA card with the tab on the system-board connector. CAUTION: Use firm and even pressure to slide the mSATA card into place. If you use excessive force, you may damage the connector. CAUTION...

12 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/regulatory_complia...

Replacing the Palm Rest Procedure 1 Align the palm rest with the computer base and gently snap the palm rest into place. 2 Slide the hot-key board cable, power-button board cable, and touch-pad cable into the connectors on the system board and press down on the connector latches to secure the cables...

13 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 at dell.com/regulatory...

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 Replace the palm rest. See "Replacing the Palm Rest" on page 41. 2 Follow the instructions from step 4 to step 5 in "Replac...

14 Fan 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_compliance. R...

Replacing the Fan Procedure 1 Align the screw holes on the fan with the screw holes on the computer base. 2 Replace the screws that secure the fan to computer base. 3 Connect the fan cable to the system-board connector. Postrequisites 1 Replace the palm rest. See "Replacing the Palm Rest" on...

15 LAN 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.com/regulatory_complia...

Replacing the LAN Board Procedure 1 Connect the LAN-board cable to the LAN-board connector. 2 Carefully turn the LAN board over and align the screw holes on the LAN board with the screw holes on the computer base. 3 Replace the screws that secure the LAN board to the computer base. Postrequisites 1 ...

16 LAN-USB Cable 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_com...

Replacing the LAN-USB Cable Procedure 1 Adhere the LAN-USB cable to the computer base. 2 Route the LAN-USB cable through the routing guides on the computer base. 3 Connect the LAN-USB cable to the system-board connector. 4 Connect the USB-board cable to the USB-board connector. Postrequisites 1 Repl...

17 USB 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.com/regulatory_complia...

Replacing the USB Board Procedure 1 Align the screw hole on the USB board with the screw hole on the computer base. 2 Replace the screw that secures the USB board to the computer base. 3 Connect the USB-board cable to the USB-board connector. Postrequisites 1 Replace the palm rest. See "Replacin...

18 Display 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_complianc...

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 system-board connector. 3 Route the antenna cables...

Removing the Display Bezel 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 19. 4 Follow the instructions from step 1 to ste...

Replacing the Display Bezel Procedure Align the display bezel over the display panel and gently snap it into place. Postrequisites 1 Replace the display assembly. See "Replacing the Display Assembly" on page 63. 2 Replace the palm rest. See "Replacing the Palm Rest" on page 41. 3 Fol...

Removing the Display Panel 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 19. 4 Follow the instructions from step 1 to ste...

Replacing the Display Panel Procedure 1 Align the screw holes on the display-panel brackets with the screw holes on the display panel and replace the screws that secure the display-panel brackets to the display panel. 2 Turn the display panel over. 3 Adhere the display cable to the back of the displ...

19 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.com/regulatory_com...

Replacing the Camera Module Procedure 1 Connect the camera cable to the camera-module connector and secure it with the tape. 2 Use the alignment posts on the display cover to place the camera module in position and adhere the camera module to the display cover. 3 Align the screw holes on the display...

20 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.com/regulatory_comp...

Replacing the System Board Procedure 1 Replace the processor. See "Replacing the Processor" on page 87. 2 Replace the heat sink. See "Replacing the Heat Sink" on page 83. 3 Connect the power-adapter port cable to the system-board connector. 4 Turn the system-board assembly over. 5 Sl...

Entering the Service Tag in the BIOS 1 Turn on the computer. 2 Press <F2> during POST to enter the system setup program. 3 Navigate to the main tab and enter the Service Tag in the Service Tag Setting field. 80 | System Board

21 Heat Sink 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_complia...

Replacing the Heat Sink Procedure NOTE: The original thermal grease can be reused, if the original system board and heat sink are reinstalled together. If either the system board or the heat sink is replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved. 1 ...

22 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/regulatory_complia...

Replacing the Processor Procedure NOTE: If you install a new processor, a new thermal 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 pin-1 corner of the ZI...

23 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 Homepage at dell.com/regulator...

Replacing the Power-Adapter Port Procedure Connect the power-adapter port cable to the system-board connector. Postrequisites 1 Follow the instructions from step 4 to step 11 in "Replacing the System Board" on page 79. 2 Replace the fan. See "Replacing the Fan" on page 48 3 Replace t...

24 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/regulatory_complian...

Replacing the Speakers Procedure 1 Route the speakers cable through the routing guides on the computer base. 2 Use the alignment posts on the computer base to place the speakers in position. Postrequisites 1 Follow the instructions from step 5 to step 11 in "Replacing the System Board" on pa...

25 Subwoofer 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_complia...

Replacing the Subwoofer Procedure 1 Use the alignment posts on the computer base to place the subwoofer in position. 2 Route the subwoofer cable through the routing guides on the computer base. Postrequisites 1 Follow the instructions from step 5 to step 11 in "Replacing the System Board" on...

26 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 your computer is locat...