Troubleshooting >
Computer
What should I do if the green power indicator light turns on but my screen remains blank?
❑
Make sure the LCD backlight of your computer is turned on. To turn on the LCD backlight, see
Using Special-function
Buttons
.
❑
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.
!
Turning off your computer with the
Ctrl
+
Alt
+
Delete
keys or the power button may cause loss of unsaved data.