Chapter 5. Troubleshooting
The computer does not return from sleep mode and the com- puter does not work.
•If the computer does not return from sleep mode, it may have entered hibernation mode automatically because the battery is depleted. Check the power indicator.
•If your computer is in sleep mode, connect the AC adapter to the computer, then press any key or the power button.
•If your computer is in hibernation mode or
Note: If the system still does not return from sleep mode, your system has stopped responding, and you cannot turn off the computer; reset the computer. Unsaved data may be lost. To reset the computer, press and hold the power button for 4 seconds or more. If the computer is still not reset, remove the AC adapter and the battery.
Computer screen problems
The screen is blank. | • | Do the following: |
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| - If you are using the AC adapter, or using the battery, and |
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| the battery status indicator is on, press Fn + ↑ to make the |
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| screen brighter. |
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| - If the power indicator is in blinking, press the power |
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| button to resume from the sleep mode. |
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| - If the problem persist, follow the solution in the following |
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| problem “The screen is unreadable or distorted.” |
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| - Press Fn + F2 to confirm whether the LCD screen has been |
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| turned off. |
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 correctly set. |
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| - The monitor type is correct. |
Incorrect characters appear on | • Did you install the operating system or programs correctly? | |
the screen. |
| If they are installed and configured correctly, have the |
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| computer serviced. |
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