Lenovo 3246A2U User Manual page 34

Figure 20. Removing the screws for the power supply assembly
10. Reconnect the power supply assembly cables to the system board and each of
11. Secure the power supply assembly cables with the cable clips and ties in the
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User Guide
5. Lay the computer on its side and remove the four screws at the rear of the
chassis that secure the power supply assembly.
6. Slide the power supply assembly to the front of the computer and then lift it
out of the chassis.
7. Ensure that the new power supply assembly is the correct replacement. If
your new power supply assembly has a voltage-selection switch, ensure that
you set the voltage-selection switch to match the voltage available at your
electrical outlet. If necessary, use a ballpoint pen to slide the voltage-selection
switch to a different position.
v If the voltage supply range in your local country or region is 100–127 V ac,
set the switch to 115 V.
v If the voltage supply range in your local country or region is 200–240 V ac,
set the switch to 230 V.
8. Install the new power supply assembly into the chassis so that the screw holes
in the power supply assembly align with those in the chassis.
9. Install and tighten the four screws to secure the power supply assembly.
Note: Use only screws provided by Lenovo.
the drives.
chassis.
What to do next:
v To work with another piece of hardware, go to the appropriate section.
v To complete the installation or replacement, go to "Completing the parts
replacement" on page 43.