Dell Dimension 5150__E510 User Manual download pdf (Page 55)

RTCRST

(default)

Real-time clock reset in normal operation.

Clear CMOS settings.

Removing the System Board

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before

opening the cover.

NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface,

such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to

dissipate any static electricity that could harm internal components.

1. Shut down the computer through the Start menu.

2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not

automatically turn off when you shut down your computer, turn them off now.

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the

network port or device.

3. Disconnect any telephone or telecommunication lines from the computer.

4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to

ground the system board.

5. Remove the computer cover.

6. Remove any components that restrict access to the system board (CD/DVD drives, floppy drive, hard drive, front I/O

panel).

7. Remove the heat-sink assembly

and processor.

8. Disconnect all cables from the system board.

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Dell Dimension 5150__E510 User Manual Page 55