Dell Dimension 2100 System Reference Manual page 69

9. Push the system-board retaining clip until it disengages.
10. Slide the system board forward until is no longer held by the
standoffs that secure the system board to the computer frame.
NOTE: You may need to slide the board toward the front of the computer to clear
the hooked standoffs before you can lift the board from the computer.
11. Carefully lift the system board out of the input/output (I/O) gasket
and remove the board from the computer. The I/O gasket is on the back
of the computer where all of the input and output ports are located (see
the
system board
When you install a replacement
downward and carefully align the connectors on the back edge of the board
with the cutouts in the I/O gasket. When properly aligned, the board
connectors slide into the I/O gasket as you lower the board into position in the
chassis and reseat it on the standoffs. Lock the board in place with the
system-board retaining clip.
After you install the replacement system board, replace the
the , the
heat sink
system board.
To configure the system after you install a replacement board:
1. Install the jumper plug on pins 2 and 3 of
select Maintenance mode operation.
2.
Replace the computer cover
The computer automatically starts the
the Maintenance option to the menu bar, and displays
the Maintenance screen.
3. Select Clear All Passwords, and press <Enter> twice.
4. Press <F10> to exit the system setup program and save any changes
you made.
).
system board
, and the
memory modules
, and start the computer.
, angle the back of the board
that you removed from the old
cards
configuration jumper
system setup program
,
microprocessor
J7A1 to
, adds