88 Upgrade and Maintenance Manual TX100 S3
Power supply
6.1 Replacing the standard power supply unit
6.1.1 Required tools
● Preliminary and concluding steps: tool-less
● Replacing the power supply unit:
– Phillips PH2 / (+) No. 2 screw driver
6.1.2 Preliminary steps
Before replacing the power supply unit (PSU), perform the following steps:
I You are advised to perform this routine with the server in a horizontal
position.
Ê Disable BitLocker functionality as described in section "Disabling BitLocker
functionality" on page 69.
Ê Shut down the server as described in section "Shutting down the server" on
page 42.
Ê Remove the AC power cord from the cable tie and disconnect it from the
system as described in section "Disconnecting power cord" on page 43.
Ê Open the side cover as described in section "Removing the side cover" on
page 45.
Field Replaceable Units (FRU)
Average task duration: 10 minutes
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