166 Installing System Components
Removing the Control Panel Board CAUTION: Many repairs may only be done by a certified service technician.
Youshould only perform troubleshooting and simple repairs as authorized in
yourproduct documentation, or as directed by the online or telephone service
andsupport team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
withthe product.
1
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
2
Open the system. See "Opening the System" on page 89.
3
If applicable, remove the memory-riser blanks. See "Removing a Memory-
Riser Blank" on page 99.
4
Remove the memory risers. See "Removing a Memory Riser" on page100.
5
Remove the memory-riser guide. See "Removing the Memory-Riser Guide"
on page 106.
6
Disconnect the cables connected to the control panel board.
NOTE: Note the routing of the cables on the side on the system as you remove
them from the control panel board. You must route these cables properly
when you replace them to prevent them from being pinched or crimped.
7
Using a T10 Torx driver, remove the three screws that secure the control
panel board to the chassis. See Figure3-36.
8
Using a T8 Torx driver, remove the screw that secures the control panel
board on the front of the system. See Figure3-36.
9
Slide the control panel assembly toward the back of the system and take
it out.
book.book Page 166 Wednesday, January 20, 2010 10:20 AM