HP Dc5700 HP Compaq dc5700 Business PC Service Reference Guide, 1st Edition - Page 95

Removal and Replacement Procedures- Microtower (MT) Chassis 6.14 Processor 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the computer cover (Section 6.3). 3. Disconnect the heatsink control cable from the system board and remove the heatsink (Section 6.13). 4. Rotate the locking lever to its full open position 1. 5. Raise and rotate the microprocessor retainer to its fully open position 2. 6. Carefully lift the processor from the socket 3. Ä CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile and handling them could cause irreparable damage. Once pins are damaged it may be necessary to replace the system board. Ä CAUTION: The heatsink must be installed within 24 hours of installing the processor to prevent damage to the processor's solder connections. To install a new processor: 1. Place the processor in its socket and close the retainer. 2. Secure the locking lever. If reusing the existing heatsink, go to step 3. If using a new heatsink, go to step 6. 3. If reusing the existing heatsink, clean the bottom of the heatsink with the alcohol pad provided in the spares kit. Ä CAUTION: Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink with an alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply thermal grease to the top of the processor from the syringe supplied in the spares kit. Service Reference Guide, dc5700 437804-001 6-29