Lenovo Computer Monitor 7098 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 serviceable parts inside

these components.

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

1. Remove the cover. See “Removing the cover” on page 89.

2. Remove the drive bay assembly. See “Accessing system board components

and drives” on page 90.

3. Disconnect all power supply cables from the system board. See the system

board diagram for your machine type at “System board connectors” on page

88.

4. Remove the hard disk drive. See “Replacing the hard disk drive” on page 103.

Note: Observe the power supply cable routing underneath the hard disk

drive.

5. The system board must be moved out of the way to remove the power supply.

Remove the screws that secure the system board to the chassis and slide the

system board away from the power supply.

Note: You do not have to remove the system board from the chassis to

remove the power supply.

6. At the rear of the chassis, remove the three screws that secure the power

supply. Also remove the screw that secures the power supply at the front.

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