Desktop Computer Hardware Maintenance Manual
Table Of Contents
- Contents
- Chapter 1. About this manual
- Chapter 2. Safety information
- Chapter 3. General information
- Chapter 4. General checkout
- Chapter 5. Diagnostics
- Chapter 6. Using the Setup Utility
- Chapter 7. Symptom-to-FRU index
- Chapter 8. Replacing FRUs (Machine Types: 3063, 3231, 3285, 6138, 6209, 6239, 6302, 7188, 7244, 7347, 7355, 7358, 7373, 7484, 7571, 7628, 7635, 7639, 8494, 8854, 9728, 9960, and 9965.)
- Locating connectors on the front of the computer
- Locating connectors on the rear of the computer
- Removing the computer cover
- Locating components
- Locating parts on the system board
- Removing and reinstalling the front bezel
- Replacing a memory module
- Replacing the power supply
- Replacing the heat sink and fan assembly
- Replacing the microprocessor
- Replacing the system board
- Replacing the battery
- Replacing an adapter card
- Replacing the primary hard disk drive
- Replacing the secondary hard disk drive
- Replacing the optical drive
- Replacing the diskette drive
- Replacing the front fan assembly
- Replacing the rear fan assembly
- Replacing the front audio and USB assembly
- Replacing the internal speaker
- Completing the FRU replacement
- Chapter 9. Replacing FRUs (Machine Types: 3379, 5897, 6137, 6234, 6258, 6303, 7174, 7220, 7346, 7354, 7357, 7360, 7483, 7582, 7627, 7630, 7638, 8910, and 9964.)
- Locating connectors on the front of the computer
- Locating connectors on the rear of the computer
- Opening the computer cover
- Accessing the system board components and drives
- Locating components
- Locating parts on the system board
- Replacing the battery
- Replacing a memory module
- Replacing an adapter card
- Replacing the power supply
- Replacing the heat sink and fan assembly
- Replacing the microprocessor
- Replacing the system board
- Replacing the hard disk drive
- Replacing the optical drive
- Replacing the card reader
- Replacing the internal speaker
- Replacing the front audio and USB assembly
- Completing the FRU replacement
- Chapter 10. FRU lists
- Machine Type 3379
- Machine Type 6137
- Machine Type 6138
- Machine Type 6209
- Machine Type 6234
- Machine Type 6239
- Machine Type 6258
- Machine Type 6302
- Machine Type 7174
- Machine Type 7188
- Machine Type 7220
- Machine Type 7244
- Machine Type 7346
- Machine Type 7347
- Machine Type 7354
- Machine Type 7355
- Machine Type 7357
- Machine Type 7358
- Machine Type 7360
- Machine Type 7373
- Machine Type 7483
- Machine Type 7484
- Machine Type 7628
- Machine Type 7635
- Machine Type 7638
- Machine Type 7639
- Machine Type 8854
- Machine Type 8910
- Machine Type 9960
- Machine Type 9964
- Machine Type 9965
- Chapter 11. Additional service information
- Appendix. Notices

5. Remove the four screws 1 that secure the heat sink and fan assembly to the
system board.
6. Lift the failing heat sink and fan assembly off the system board.
Note:
You might have to gently twist the heat sink and fan assembly to free it
from the microprocessor.
7. Position the new heat sink and fan assembly on the plastic retention bracket so
that the four screws are aligned with the posts on the system board. Tighten
the four screws to secure the new heat sink and fan assembly to the system
board.
8. Connect the heat sink and fan assembly cable to the microprocessor fan
connector on the system board.
9. Go to “Completing the FRU replacement” on page 122.
Figure 10. Removing the heat sink and fan assembly
Chapter 8. Replacing FRUs - Tower computers 95










