Lenovo ThinkCentre M57p Bedienungsanleitung PDF herunterladen (Seite 34)

11. Check the position of the voltage-selection switch on the rear of the computer.

Use a ballpoint pen to slide the switch, if necessary.

Note: Some computers do not have a voltage switch. These computers

automatically control the voltage.

v If the voltage supply range is 100–127 V ac, set the switch to 115 V.

v If the voltage supply range is 200–240 V ac, set the switch to 230 V.

12.

Reconnect all the power supply cables to the drives and the system board.

13. Go to Chapter 4, “Completing the parts replacement,” on page 41.

Replacing the heat sink

Attention

Do not open your computer or attempt any repair before reading the “Important safety

information” in the Safety and Warranty Guide that was included with your computer. To

obtain a copy of the Safety and Warranty Guide, go to the Support Web site at

http://www.lenovo.com/support.

This section provides instructions on how to replace the heat sink.

To replace the heat sink:

1. Open the computer cover. See “Opening the cover” on page 12.

2. Pivot the drive-bay assembly upward to gain access to the heat sink. See

Figure 21.

Figure 21. Accessing the heat sink

26 ThinkCentre Hardware Installation and Replacement Guide

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Lenovo ThinkCentre M57p Bedienungsanleitung Seite 34