Sharp PC-A280 Spezifikationen PDF herunterladen (Seite 78)

Troubleshooting T-3

Troubleshooting

Trouble with Display

See also the Display section in Chapter 4.

Question: Why is the screen blank?

•

Press any key to see if any power management feature has turned off the screen

to save power.

•

See the power indicator to check whether the computer is powered.

•

If you are using a standard battery pack, make sure it has a charge remaining. If

you are using an external battery pack, make sure it is connected correctly and

has a charge remaining.

•

Make sure the LCD screen is selected as the display by pressing

Fn+F5

•

Check the brightness controls for your display by pressing

Fn+F7

•

Check whether the back light is on by pressing

Fn+F11

•

If you still have the problem after trying the above, press the power switch for

more than six seconds to turn off the system. Five seconds later, turn the

computer on.

•

If you cannot power off the system with above procedure, slide the reset switch

on the bottom of your computer and turn off the system (refer to page 2-3). Wait

five seconds and turn the computer back on.

Question: Why does the external monitor display nothing?

•

Confirm the monitor is turned on.

•

Confirm the monitor is connected correctly.

•

Make sure an external monitor is selected as the display by pressing

Fn+F5

Question: Why is the image on an external monitor display distorted?

•

Confirm the monitor is connected correctly.

•

Make sure the CRT is not near any electric devices having strong magnetic fields

such as a TV set or radio.

•

Do not share an outlet with a TV set or radio.

•

Make sure the value of the Screen area in the Display Properties is lower than the

resolution of the CRT monitor.

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Philips HD4659/53 Manual de usuario (15 paginas)

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