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Troubleshooting >
Computer Operations
What should I do if the green power indicator light turns on but my screen remains blank?
❑
If the orange
DISPLAY OFF
indicator light is lit, press the
DISPLAY OFF
button.
❑
Make sure the computer input is selected as the audio/video input source. To change the display input, press the
INPUT/
OK
button on the computer
❑
Press the
Alt
+
F4
keys several times to close the application window. An application error may have occurred.
❑
Press the
Ctrl
+
Alt
+
Delete
keys and click the arrow
next to the
Shut down
button and
Restart
.
❑
Press and hold the power button for more than four seconds to shut down your computer. Unplug the AC adapter and
leave the computer for about five minutes. Then, plug the AC adapter and turn on the computer again.
!
Make sure that the battery of your wireless keyboard is properly installed and not running out of power.
Turning off your computer with the
Ctrl
+
Alt
+
Delete
keys or the power button may cause loss of unsaved data.
Содержание VPCL21M1E/B
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