Apple Macintosh LC 580 User Manual download pdf (Page 51)

Solutions to common problems

The computer is turned on but the screen is dark.

One of the following is probably the cause:

m You have a screen saver program that darkens the screen when the

computer has not been used for a certain period.

Press a key or move the mouse to turn off the screen saver.

m The screen control buttons (¸) are not adjusted properly.

Tu r n up the screen’s brightness if necessary.

m The Macintosh is not getting power.

Check that the computer’s power cord is firmly connected to the computer

and plugged into a grounded electrical outlet, and that the outlet has power.

If you are displaying video from your computer on a television screen, it is

normal for your computer monitor to be dark.

The computer’s clock keeps time inaccurately.

Your computer has a clock that runs continuously. When the computer is

turned off, a battery keeps the clock running. If your clock begins to keep

time inaccurately, have your Apple-authorized service provider replace the

battery.

Troubleshooting

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Apple Macintosh LC 580 User Manual Page 51