Dell Dimension XPS T Series Owner's Manual page 26

1 3.5-inch diskette drive
2 Secondary hard-disk drive bracket
3 System board
4 I/O gasket
1. If possible, enter the system setup program
computer because you will have to restore the configuration information after the system board is replaced.
2. Disconnect any cables attached to the
3. Disconnect any cables connected to expansion cards, and
4. Disconnect all internal cables from the
5. Remove the SECC2 package and heat sink assembly.
6. Using a #2 Phillips-head screwdriver, loosen the four captive nuts securing the guide bracket assembly for the SECC2 package to the
system board.
7. Remove the assembly from the four threaded posts as shown in the following figure.
NOTE: The four nuts are captive and are retained in the assembly when loosened. The screws are mounted on the system board.
1 Captive nuts (4)
2 Threaded posts (4)
3 Key
4 Guide bracket assembly
8. Remove the system-board mounting screw from the back of the computer, as shown in the following figure.
and print the system setup screens by pressing the <Print Screen> key before you turn off the
input/output (I/O) panel on the back of the
remove these expansion
system board.
computer.
cards.