Dell Precision 5520 Owner's Manual

Installing the Heatsink
1 Align the screw holes on the heatsink with the screw holes on the system board.
2 Replace the screws to secure the heatsink to the system board.
3 Install the:
abattery
bbase cover
4 Follow the procedures in After Working Inside Your Computer.
Power connector port
Removing the DC-in Connector
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove the:
aBase cover
bbattery
3 Perform the following steps to remove the I/O board:
aDisconnect the DC-in cable from...

Installing the DC-in Adapter Port
1 Place the DC-in adapter port into the slot on the palm-rest assembly.
2 Route the power-adapter port cable through its routing guides on the palm-rest assembly.
3 Replace the M2x3 screw that secures the power-adapter port to the palm-rest assembly.
4 Connect the power-adapter port cable to the system board.
5 Install the:
abattery
bbase cover
6 Follow the procedures in After Working Inside Your Computer.
Display Assembly
Removing the Display Assembly
1 Follow the...

4 Place the computer at the edge of a table as shown and remove the six M2.5x5 screws [1] securing the display assembly to the 
computer. Then, lift the display assembly off the computer [2].
Removing and installing components23 

Installing the Display Assembly
1 Place the palm-rest assembly at the edge of the table with the speakers facing away from the edge.
2 Align the screw holes on the palm-rest assembly with the screw holes on the display hinges.
3 Replace the six M2.5 x 5 screws that secure the display hinges to the palm-rest assembly.
4 Adhere the tape and route the touch-screen cable through the routing guides on the fan.
5 Connect the touch-screen cable and display cable to the system board.
6 Replace the screw that...

4 Slide out the connector latches to disconnect all the cables from the system board. 
5 Perform the following steps to remove the system board from the computer:
aRemove the five M2x4 screws that secure the system board to the computer [1].
bLift the system board off the computer [2].
Removing and installing components25 

Installing the System Board
1 Align the system board on the computer.
2 Replace the five M2x4 screws that secure the system board to the palm-rest assembly.
3 Connect the power-adapter port cable, speaker cable, keyboard-control board cable, touch-pad cable, and touch-screen cable to th\
e 
system board.
4 Connect the display cable to the system board.
5 Align the screw hole on the display-cable bracket with the screw hole on the system board.
6 Follow the procedures in After Working Inside Your...

Installing the Palmrest Assembly
1 Align the palmrest assembly on the display assembly.
2 Tighten the screws to secure the display hinges to the palmrest assembly.
3 Press down on the palmrest assembly to close the display.
4 Install the:
akeyboard
bsystem board
cpower adapter port
ddisplay assembly
efans
fheatsink assembly
gspeakers
hWLAN card
ihard drive
jmemory modules
kbattery
lbase cover
5 Follow the procedures in After Working Inside Your Computer.
Removing and installing components27 

Diagnostics
If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The pu\
rpose of running diagnostics is to test your computer

System Setup Options
NOTE: Depending on your computer and its installed devices, the items listed in this section may or may not appear.
Table 3. MainOptionDescriptionSystem Time/DateAllows you to set the date and time.BIOS VersionDisplays the BIOS version.Product NameDisplays the product name.
Dell Precision 5520 (Default Setting)
Service TagDisplays the service tag.Asset TagDisplays the asset tag.
None (Default Setting)
CPU TypeDisplays the CPU type.CPU SpeedDisplays the CPU speed.CPU IDDisplays the...

OptionDescriptionEnabled (Default Setting)Multi Core SupportSpecifies whether the processor will have one or 
more cores enabled. 
All (Default Setting)
Intel TurboBoostEnables or disables the Intel TurboBoost mode of the 
processor. 
Enabled (Default Setting)
C-States ControlThis option enables or disables additional processor 
sleep states. 
Enabled (Default Setting)
AudioEnables or disables the integrated audio controller. 
Enabled (Default Setting)
Keyboard IlluminationThis field lets you choose the...