Dell Precision 5520 Owner's Manual

4 Perform the following steps to remove the hard-drive:
aDisconnect the hard-drive cable from the system board [1].
bLift the hard drive off the palm rest assembly [2].
5 Disconnect the hard drive interposer from the hard drive assembly and then remove the hard drive covers away from the hard drive\
.
Removing and installing components11 

Installing the Hard Drive
1 Replace the hard-drive covers on the hard drive.
2 Connect the hard-drive interposer to the hard-drive assembly.
3 Place the hard-drive assembly on the palm-rest assembly.
4 Connect the hard-drive cable to the system board.
5 Align the screw holes on the hard-drive cage with the screw holes on the hard-drive assembly.
6 Replace the four M2x4 screws that secure the hard-drive cage to the palm-rest assembly.
7 Install the:
abattery
bbase cover
8 Follow the procedures in After...

Installing the Speakers
1 Using the alignment posts, place the speakers on the palm-rest assembly.
2 Replace the four M2x2 screws that secure the speakers to the palm-rest assembly.
3 Route the speaker cables through the routing guides on the palm-rest assembly.
4 Connect the speaker cable to the system board.
5 Install the:
abattery
bbase cover
6 Follow the procedures in After Working Inside Your Computer.
Coin cell battery
Removing the Coin-Cell Battery
1 Follow the procedures in Before Working Inside...

gmemory modules
hsystem board
3 Perform the following steps to remove the coin-cell battery:
aTurn the system board over.
bLift up the coin cell battery [1]
cDisconnect the coin cell battery cable [2] from the system board [3].
Installing the Coin-Cell Battery
1 Replace the coin-cell battery in its slot in the computer.
2 Connect the coin-cell battery cable to the system board.
3 Turn the system board over.
4 Install the:
aSystem Board
bMemory
cHeatsink assembly
dFans
eHard drive
fWLAN card
gBattery...

fmemory module
gsystem board
3 Perform the following steps to disconnect the keyboard and backlight connectors from the computer.
aLift up the connector lock [1] and the disconnect the cables from the connectors [2].
bPeel back the screw shields [3].
4 Un-route the LVDS cable [1] and then remove the 31 M1.6 x 1.5 screws that secure the keyboard to the computer [2].
5 Lift and remove the keyboard from the computer.
Removing and installing components15 

Installing the Keyboard
1 Adhere the Mylar to the keyboard.
2 Align the screw holes on the keyboard with the screw holes on the palm-rest assembly.
3 Replace the 31 M1.6 x 1.5 screws that secure the keyboard to the palm-rest assembly.
4 Adhere the Mylar to the screws that secure the keyboard to the palm-rest assembly.
5 Connect the keyboard cable and keyboard-backlight cable to the keyboard-controls board.
6 Install the:
asystem board
bhard drive
cbase cover
7 Follow the procedures in After Working...

Installing the WLAN Card
1 Align the notch on the WLAN card with the tab on the WLAN-card connector on the I/O board.
2 Align the bracket which secures the WLAN card to the palmrest assembly.
3 Connect the antenna cables to the WLAN card.
CAUTION: To avoid damage to the WLAN card, do not place any cables under it. NOTE: The color of the antenna cables is visible near the tip of the cables. The antenna-cable color scheme for the 
WLAN card supported by your computer is as follows:
Table 1. Antenna-Cable...

Memory module
Removing the Memory Module(s)
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove the:
aBase cover
bbattery
3 Pry the securing clips away from the memory module until it pops-up [1]. Then, remove the memory module from its connector on th\
e 
system board [2].
Installing the Memory Module(s)
1 Insert the memory module into the memory socket.
2 Press the memory module down until it clicks into place.
NOTE: If you do not hear the click, remove the memory module and...

3 Perform the following steps to remove the left video-card fan:
aDisconnect the fan cable from the system board [1].
bRemove the two M2x4 screws that secure the fan to the system board[2].
cLift the fan away from the computer [3]
4 Perform the following steps to remove the right system fan:
aUn-thread the LVDS cable from its restraints [1].
bDisconnect the fan cable from the system board [2]
cRemove the two M2x4 screws that secure the fan to the computer [3].
dLift the fan away from the computer [4]....

eConnect the right fan cable to the system board.
fRoute the touch-screen cable through the routing guides on the right fan.
gAdhere the tape that secures the touch-screen cable to the right fan.
hConnect the display cable to the system board.
iReplace the four M2x4 screws that secure the right fan to the system board.
2 Follow the procedures in After Working Inside Your Computer.
Heat sink
Removing the Heatsink
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove the:
aBase cover...