Dell OptiPlex GX110 - Manual (Page 68)

To replace a microprocessor, perform the following steps:
1. Remove the computer cover .
2. Locate the microprocessor socket on the system board.
3. Unplug the fan power connector on the system board
4. Disconnect the fan from the system board.
5. Remove the screws securing the fan to the end of the heat sink assembly and remove the fan.
6. Gently pull out the guide-bracket assembly latch, grasp the existing microprocessor/heat sink assembly firmly, and pull straight up to remove
it from the guide bracket assembly.
You must use up to 15 pounds of force to disengage the microprocessor package from the connector. Do not rock the package while
removing it.
7. Attach the fan to the new microprocessor/heat sink assembly.
8. Slide the new microprocessor package into the guide bracket assembly, with the heat sink toward the front of the computer, and firmly seat
the microprocessor/heat sink assembly.
You must use up to 25 pounds of force to seat the new microprocessor package. Do not rock the package while inserting it into the
connector.
9. Reconnect the fan cable.
10. Replace the computer cover, and reconnect your computer and peripherals to their power sources and turn them on.
As the system boots, it detects the presence of the new microprocessor and automatically changes the system configuration information in
System Setup.
11. Enter System Setup, and confirm that the top line in the system data area correctly identifies the installed microprocessor.
12. While in System Setup, reset the chassis intrusion detector in the Chassis Intrusion option by pressing the left- or right-arrow key to select
Reset, and then choose Enabled, Enabled-Silent, or Disabled(see your User's Guide for instructions).
13. Run the Dell Diagnostics to verify that the new microprocessor is operating correctly.
System Battery
Figure 31. System Battery Removal
To remove the system battery, perform the following steps:
CAUTION: Use a wrist grounding strap as explained in " Precautionary Measures ."
NOTE: Dell recommends that only a technically knowledgeable person perform this procedure.
NOTE: After you remove and replace the cover, the chassis intrusion detector will cause the following message to be displayed at
the next system start-up
ALERT! Cover was previously removed.
1 Battery
2 Battery socket
CAUTION: There is a danger of the new battery exploding if it is incorrectly installed. Replace the battery only with the same or
equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer
’s instructions.