HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 178

Installing or Replacing Parts and Accessories Processor Figure 10-21 8. Remove the two heatsink clips by pressing the release lever on the clips. Then lift off the heatsink. There is a thermal interface material between the heatsink and the processor. This may cause the processor to stick to the heatsink. Removing a Processor Step 8 Step 10 9. Remove the thermal interface material from the heatsink and discard it. You can leave any residue that remains on the heatsink. This does not impair the heat transfer. 10. Open the Zero Insertion Force (ZIF) lever, located at the side of the processor socket, until it is in the vertical position (depending on the socket design, the handle may need to go past vertical), then carefully lift out the processor. To avoid bending the processor pins, keep the processor perfectly flat when removing it. 11. Store the processor in an anti-static bag (such as the one provided with the replacement processor). 12. If you are permanently removing a second processor, you must update your operating system (see page 179). You should also store the heatsink and clips in a safe place. 176 Chapter 10