Compaq Deskpro 4000N - Page 95

Compaq Deskpro 4000S and 4000N Personal Computers 5-21
5.13.2 Microprocessor
To remove the microprocessor from the system board, complete the following steps:
1. Prepare the computer for disassembly (Section 5.4).
2. Remove the system unit cover (Section 5.7).
CAUTION:
When replacing the processor, you must release the heatsink retaining clip before you pull the
ZIF socket handle. The clip engages the processor socket to hold the heatsink in place.
!
WARNING:
To reduce the risk of personal injury from hot surfaces, allow the internal system components
to cool before touching.
3. Rotate the drive cage to an upright position.
CAUTION:
Check the position of all cables and wires before raising or lowering the drive cage to prevent
cable damage.
4. Remove the heatsink retaining clip 1 by pressing down on the clip’s extended tab until it
releases from the safety catch; then, pivot the tab to disengage it from the safety catch.
5. Lift the heatsink 2 off the processor.
6. Release the processor from the socket by pulling the handle on the ZIF socket out and
upward 4.
7. Lift the processor 5 out of the socket.
Figure 5-15.
Removing the Microprocessor from the System Board