Dell Alienware x15 R2 Service Manual - Page 51

is surrounded by the processor CPU barrier sheet. The alcohol solution from the wipes will dissolve the Element 31

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11. Remove the power-adapter port cable from the palm-rest and keyboard assembly and peel the power-adapter port cable off the fan and heat-sink assembly. 12. Peel the tape that secures the display cable to the system board. 13. Open the latch and disconnect the display cable from the system board and peel the display cable off the system board. 14. Remove the five screws (M2x4) that secure the system-board assembly to the palm-rest and keyboard assembly. 15. Grab the system-board assembly from the top left and right sides of the heat sink and lift the system-board assembly off the palm-rest and keyboard assembly. 16. Place the system-board assembly on a clean and flat surface. 17. Turn the system-board assembly over. 18. Remove the fan and heat-sink assembly. 19. Turn the system-board assembly over. 20.After performing all the above steps, you are left with the system board. NOTE: Before returning the faulty system board. Adhere the processor (CPU) sticker over the processor (CPU) chip and ensure that it covers the entire surface of it. NOTE: When replacing the system board for computers with a M.2 2230 solid-state drive installed, ensure that the M.2 2230 solid-state drive mounting bracket has been removed from the system board and installed on the new system board. CAUTION: Once the system board assembly has been removed from the computer, follow the instructions in the tech sheet dispatched with the replacement system board assembly. CAUTION: Do not use an alcohol wipe to clean the Element 31 thermal grease from the processor (CPU) chip which is surrounded by the processor (CPU) barrier sheet. The alcohol solution from the wipes will dissolve the Element 31 grease into conductive metal particles. If these conductive metal particles come into contact with the surface of the system board, it will cause the an electrical short when your computer is powered on. 51

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11.
Remove the power-adapter port cable from the palm-rest and keyboard assembly and peel the power-adapter port cable off the
fan and heat-sink assembly.
12.
Peel the tape that secures the display cable to the system board.
13.
Open the latch and disconnect the display cable from the system board and peel the display cable off the system board.
14.
Remove the five screws (M2x4) that secure the system-board assembly to the palm-rest and keyboard assembly.
15.
Grab the system-board assembly from the top left and right sides of the heat sink and lift the system-board assembly off the
palm-rest and keyboard assembly.
16.
Place the system-board assembly on a clean and flat surface.
17.
Turn the system-board assembly over.
18.
Remove the
fan and heat-sink assembly
.
19.
Turn the system-board assembly over.
20.
After performing all the above steps, you are left with the system board.
NOTE:
Before returning the faulty system board. Adhere the processor (CPU) sticker over the processor (CPU) chip and
ensure that it covers the entire surface of it.
NOTE:
When replacing the system board for computers with a M.2 2230 solid-state drive installed, ensure that the M.2
2230 solid-state drive mounting bracket has been removed from the system board and installed on the new system board.
CAUTION: Once the system board assembly has been removed from the computer, follow the instructions in the tech
sheet dispatched with the replacement system board assembly.
CAUTION: Do not use an alcohol wipe to clean the Element 31 thermal grease from the processor (CPU) chip which
is surrounded by the processor (CPU) barrier sheet. The alcohol solution from the wipes will dissolve the Element 31
grease into conductive metal particles. If these conductive metal particles come into contact with the surface of the
system board, it will cause the an electrical short when your computer is powered on.
51