Power Adapter And Power Cord - Lenovo ThinkCentre M90n-1 Hardware Maintenance Manual

connector. Then, use the instructions that come with the option to help you make the connection and install
any required software or device drivers.

Power adapter and power cord

Prerequisite
Before you start, read Chapter 2 "Important safety information" on page 27 and print the following
instructions.
Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin.
Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutes
for the computer to cool.
Replacement procedure
1. Remove any media from the drives and turn off all connected devices and the computer.
2. Disconnect the power cord from the electrical outlet and disconnect all cables from the computer.
3. Remove the power adapter.
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Chapter 6 Hardware removal and installation
55