Lenovo THINKCENTRE 6019 Bedienungsanleitung PDF herunterladen (Seite 100)

100

101

Replacing the power supply

Attention

Never remove the cover on a power supply or any part that has the

following label attached.

Hazardous voltage, current, and energy levels are present inside any

component that has this label attached. There are no servicable parts inside

these components.

This procedure describes how to remove and replace the power supply.

1. Remove any media (diskettes, CDs, or tapes) from the drives, shut down your

operating system, and turn off all attached devices and the computer.

2. Unplug all power cords from electrical outlets.

3. Disconnect the cables attached to the computer. This includes power cords,

input/output (I/O) cables, and any other cables that are connected to the

computer. See “Front connectors” on page 84 and “Rear connectors” on page

85.

4. Remove the four screws at the rear of the chassis that secure the power

supply.

5. Open the computer cover. See “Opening the cover” on page 88.

94 Hardware Maintenance Manual

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