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 the system board [1].
bRemove the M2x3 screw that secures the DC-in cable to the computer.
cRemove the DC-in connector from the computer.
Removing and installing components21 
						

							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 procedures in Before Working Inside Your Computer.
2 Remove the:
aBase cover
bbattery
3 Perform the following steps:
aRemove the screw securing the metal bracket [1].
bLift the metal bracket off the computer [2].
cDisconnect the LVDS cable from the system board [3].
22Removing and installing components 
						

							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 secures the display-cable bracket to the system board.
7 Follow the procedures in After Working Inside Your Computer.
System board
Removing the System Board
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove the:
abase cover
bbattery
cfans
dheatsink
eSSD
fmemory module
NOTE: Your computer
						

							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 Computer.
Palm rest
Removing the Palmrest Assembly
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove the:
abase cover
bbattery
cmemory modules
dhard drive
eWLAN card
fspeakers
gheatsink assembly
hfans
idisplay assembly
jpower adapter port
ksystem board
lkeyboard
3 After performing the above steps, we are left with the palmrest assembly [1].
26Removing and installing components 
						

							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 CPU ID.CPU CacheDisplays the sizes of the CPU caches.Fixed HDDDisplays the type and size of the HDD.mSATA DeviceDisplays the type and size of the mSATA device.AC Adapter TypeDisplays the type of the AC adapter.
None (Default Setting)
System MemoryDisplays the size of the system memory.Extended MemoryDisplays the size of the extended memory.Memory SpeedDisplays the speed of the memory.Keyboard TypeDisplays the type of keyboard.
Backlite (Default Setting)Table 4. AdvancedOptionDescriptionIntel (R) SpeedStep (TM) Allows you to enable or disable the Intel (R) SpeedStep (TM) feature.
Enabled (Default Setting)
VirtualizationThis option specifies whether a Virtual Machine 
Monitor (VMM) can utilize the additional hardware  capabilities provided by Intel Virtualization technology. 
Allows you to enable or disable the Virtualization 
feature.
4
System Setup Options29 
						

							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 operating mode of the 
keyboard illumination feature. 
Disabled (Default 
Setting)
USB ConfigurationAllows you to configure the integrated USB 
controller.
Default Enabled: Enable Boot Support, Enable 
Thunderbolt Ports; Always Allow Dell Docks; Enable  External USB Port
TouchscreenThis field controls whether the touchscreen is 
enabled or disabled. 
Enabled (Default Setting)
AC BehaviorAllows the system (if OFF or in Hibernate) to power- on automatically when AC is inserted.Wake On LANAllows the computer to power up from the off state when triggered by special LAN. 
Disabled (Default 
Setting)
Advanced Battery Charge ConfigurationMaximizes battery health while still supporting heavy 
use during the work day. 
Disabled (Default Setting)
Block SleepLets you to block entering to sleep (S3 state) in OS 
environment. 
Disabled (Default Setting)
Auto On TimeSets the time of day when you would like the system 
to turn on automatically. 
Disabled (Default Setting)
Peak ShiftMinimizes AC power usage at times of peak demand. 
Disabled (Default Setting)
USB Wake SupportAllows you to enable USB devices to wake the 
system from Standby. 
Enabled (Default Setting)
LCD BrightnessThis options sets the panel brightness independently 
for Battery and AC power.USB EmulationAllows you to enable or disable the USB Emulation 
feature.
Enabled (Default Setting)
USB PowerShareAllows you to enable or disable the USB PowerShare 
feature.
Enabled (Default Setting)
USB Wake SupportThis option allows you to enable USB devices to wake  the system from Standby.
Disable(Default Setting)
SATA OperationDisplays the SATA Operation information.30System Setup Options