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• "Optical drive cage" on page 43
Removal steps
Note: After installing a new coin-cell battery, reset the system date and time in the UEFI BIOS menu.
Power supply assembly
Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions.
Before you open the computer cover, turn off the computer and wait several minutes until the computer is
cool.
Although there are no moving parts in the computer after the power cord has been disconnected, the
following warnings are required for your safety.
Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury, seek
medical care immediately.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 serviceable parts inside these components. If you suspect a problem with one of these parts,
contact a service technician.
For access, do the following:
1. Remove these parts in order, if any:
• "Computer cover" on page 28
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P348 User Guide
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