Troubleshooting

English

Problem

Solution

The screen is unreadable or

Check that screen resolution and color quality are correctly set.

distorted.

Check that the monitor type is correct. This information is

 

 

available under the menu Display Settings Monitor.

 

Confirm that the display device driver is installed correctly. This

 

information is available under the menu Personalize Display

 

Settings Advanced Settings Adapter. The Adapter Infor-

 

mation window should display the correct device driver name.

 

NOTE: The device driver name depends on the video chip that

 

has been installed on your computer. Click the Properties button

 

and check the “Device status” box to confirm that the device is

 

working properly. If not, click the Troubleshoot button.

 

 

Incorrect characters appear

Check that your application and operating system are correctly

on the screen.

installed.

 

 

Missing, discolored, or

Check that the surface of the screen is not scratched or dam-

bright dots appear on the

aged. If there is no visible damage, these small idiosyncrasies

screen every time you turn

are a standard element of TFT screen technology and will not

on your computer.

affect the computer’s performance.

 

 

Sound

No sound can be heard from the speaker even when the volume is turned up.

Confirm that the Mute function is off.

Check that no external device, such as a headphone or speaker, is plugged into the audio output (headphone) jack.

Check that speakers are selected as a playback device.

Battery

Your computer shuts down before the battery status in- dicator turns on, or continues to operate after the battery status indicator lights.

Remove and reinsert the battery. If the problem persists, you may need to replace the battery.

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Coby Electronics Corporation

 

 

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COBY electronic NBPC1028 instruction manual Problem Solution, Sound, Battery