1. Remove the computer cover. See “Removing the computer cover” on page 69.
2. Lay the computer on its side for easier access to the system board.
3. Locate the heat sink and fan assembly. See “System board connectors” on page 68.
4. Disconnect the heat sink and fan assembly cable from the microprocessor fan connector on the system
board.
5. Remove the four screws
1
that secure the heat sink and fan assembly to the system board.
Note:
Carefully remove the four screws from the system board to avoid any possible damage to the
system board. The four screws cannot be removed from the heat sink and fan assembly.
6. Lift the failing heat sink and fan assembly off the system board.
Notes:
a. You might have to gently twist the heat sink and fan assembly to free it from the microprocessor.
b. Do not touch the thermal grease while handling the heat sink and fan assembly.
7. Position the new heat sink and fan assembly on the microprocessor so that the four screws are aligned
with the holes on the system board.
Note:
Position the new heat sink and fan assembly so that the heat sink and fan assembly cable is
toward the microprocessor fan connector on the system board.
8. Alternate tightening each screw a small and equal amount until the heat sink and fan assembly is
secured to the system board. Do not over-tighten the screws.
9. Connect the heat sink and fan assembly cable to the microprocessor fan connector on the system board.
10. Go to “Completing the FRU replacement” on page 95.
Replacing the microprocessor
CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and wait
three to five minutes to let the computer cool before opening the computer cover.
Chapter 8
.
Replacing FRUs (Types 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508)
75
Содержание 7269D7U - Topseller M58e Sff E7500 2.93G 3Gb 320Gb Dvdrw W7p/Xpp
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