Replacing The Power Supply - Lenovo 7387 Hardware Maintenance Manual

4. If necessary, remove any adapters that impede access to the battery. See "Replacing a PCI adapter" on
page 99 for more information.
5. Remove the old battery.
6. Install the new battery.
7. Replace the drive bay assembly if it was removed. See "Removing and replacing the drive bay assembly"
on page 97.
8. Replace any adapters that were removed to gain access to the battery. See "Replacing a PCI adapter"
on page 99 for more information.
Note: When the computer is turned on for the first time after battery replacement, an error message
might be displayed. This is normal after replacing the battery.
9. Go to "Completing the FRU replacement" on page 117.

Replacing the power supply

Attention
Never remove the cover on a power supply or any part that has the following label attached.
Hazardous voltage, current, and energy levels are present inside any component that has this label attached.
There are no servicable parts inside these components.
1. Remove the cover. See "Removing the cover" on page 94.
2. Remove the drive bay assembly. See "Removing and replacing the drive bay assembly" on page 97.
3. Disconnect all power supply cables from the drives.
4. Disconnect all power supply cables from the system board. See "Identifying parts on the system board"
on page 95.
5. Remove the hard disk drive. See "Replacing the hard disk drive" on page 114.
6. The system board must be moved out of the way to remove the power supply. Remove the screws that
secure the system board to the chassis and slide the system board away from the power supply.
Note: You do not have to remove the system board from the chassis to remove the power supply.
.
Chapter 9 Replacing FRUs (Types 7390, 7391, 7392, 7396, 7397, and 7398)
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