Question about ViewSonic OptiQuest Monitor
Which monitor do you connect to PC? has it worked togehter already?
please check if monitor is connected to graphic card of PC,
if yes and still same result after reboot, wire it up to another PC-tower, to doublecheck it is not broken..
if it's a laptop you are using and the internal display is malfunctioning you may be in trouble...
(see a technician, then
Posted on Jun 18, 2009
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Posted on Jan 02, 2017
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Shine a flashlight on the dark screen to see if you barely
see the icons on the desktop. If so, then the LCD Inverter is bad.
Plug in an external monitor and see if the display shows up on it. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If so that proves your video card is ok. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.
If you see no icons by shinning a flash light and the external monitor works, then your screen is bad. If you see no icons by shinning the flash light and nothing shows on the external monitor, then most likely your video card is bad.
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