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Solving Screen Problems
This section lists some common causes and solutions for computer display and external monitor problems
You can perform a monitor
1.Switch to the internal display (Fn+F4).
2.Turn off the external monitor.
3.Disconnect the external monitor signal cable from the computer.
4.Turn on the monitor and allow it to warm up for one minute.
The screen should be white. A narrow black border may
also appear on the left and right sides of the display. Either of these displays indicates that the monitor is working properly.
Problem | Probable Cause | |
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Characters are dim. | The brightness or contrast | |
| control is not set properly. | |
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| Screen is in direct light. | |
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Screen is blank. | Screen save was initiated after | |
| Power Management screen | |
| timeout (period of inactivity). | |
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Solution(s)
Adjust the control(s) on the right side of the computer display.
Tilt display or move computer.
Press any key or click the mouse.
You have another screen blanking utility installed.
Suspend was initiated.
Press any key and/or enter your password.
Press Suspend button to exit Suspend.
You initiated QuickLock/ QuickBlank.
The brightness and contrast (if applicable) needs adjusting.
Display switch is stuck.
You disconnected an external monitor, and display setting in Computer Setup is External, or you disconnected the monitor while the computer was on or in Suspend.
Enter your password to exit QuickLock/QuickBlank.
Adjust the control(s) on the right side of the computer display.
Tap the switch.
Press the Fn+F4 hotkey to switch to the internal display.
Continued
