Lenovo 6290, Руководство по техническому обслуживанию аппаратной части

Страница: 41 / 136

1. Turn off the computer and peripheral devices and disconnect all external cables
and power cords; then remove the cover. See “Removing the cover” on page 20.
2.
Remove the screw securing the center beam and lift off.
Replacing a microprocessor
To replace a microprocessor on any of the machine types do the following:
1.
Turn off the computer and peripheral devices and disconnect all external cables
and power cords; then remove the cover. See “Removing the cover” on page 20.
2. Remove the CD and diskette drive tray. See “Accessing system board
components” on page 21.
3. Remove the center beam. See “Removing the center beam” on page 34.
4. Unscrew the fansink from the system board and carefully lift it off. The
processor will come with it attached to the bottom by thermal grease.
5. To remove the fansink from the processor twist the fansink to break the seal
formed by the thermal grease and remove.
Note: If the thermal grease seal cannot be broken you may want to start up the
system to heat the processor and loosen the thermal grease.
Power supply
To remove the power supply do the following:
1.
Turn off the server and peripheral devices and disconnect all external cables
and power cords; then remove the cover. See “Removing the cover” on page 20.
2. Remove the CD/diskette drive tray. See “Accessing system board components”
on page 21.
Chapter 6. FRU Removals
35