Power Supply Assembly - Lenovo Legion Tower 5i Hardware Maintenance Manual

The coin-cell battery normally requires no charging or maintenance throughout its life; however, no coin-cell
battery lasts forever. If the coin-cell battery fails, the date and time information is lost. An error message is
displayed when you turn on the computer.
Replacement procedure
1. Remove the power cord. See "Power cord" on page 50.
2. Remove the left side cover. See "Left side cover and right side cover" on page 50.
3. Disengage the latch to eject the battery.
4. Perform the removal procedure in reverse to reinstall a new CRU.

Power supply assembly

Prerequisite
Before you start, read Chapter 1 "Important safety information" on page 1 and print the following
instructions.
The power supply might be very hot. Before you open the computer cover, turn off the computer and wait
several minutes until the computer is cool.
Replacement procedure
1. Remove the power cord. See "Power cord" on page 50.
2. Remove the left side cover and right side cover. See "Left side cover and right side cover" on page 50.
3. Remove the power cables from the system board.
4. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the left side cover is against the surface and the right side cover is facing up.
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Lenovo Legion Tower 5i (26L, 7) Hardware Maintenance Manual