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Chapter 5. Troubleshooting
Computer screen problems
The screen is blank. | • | Do the following: |
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| - If you are using the AC adapter, or using the |
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| battery, and the battery status indicator is on, press |
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| Fn + to make the screen brighter. |
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| - If the power indicator is blinking, press the power |
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| button to resume from the sleep mode. |
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| - If the problem persists, follow the solution in the |
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| following problem “The screen is unreadable or |
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| distorted.” |
The screen is unreadable or | • | Make sure that: |
distorted. |
| - The display device driver is installed correctly. |
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| - The screen resolution and color quality are |
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| correctly set. |
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| - The monitor type is correct. |
Incorrect characters appear | • Did you install the operating system or application | |
on the screen. |
| program correctly? If they are installed and |
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| configured correctly, have the computer serviced. |
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Sound problems |
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No sound can be heard | • | Make sure that: |
from the speaker even |
| - The Mute function is off. |
when the volume is turned |
| - The headphone jack is not used. |
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up. | - Speakers is selected as a playback device. |
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