Question about Vga Computers & Internet
Issues that could bring up the white screen problem on your computer can include a bad video graphics card or the graphics card is bad. Or blown capacitors or the video card is not working. Try and reboot your computer first to see if the problem goes away.
Posted on Feb 25, 2021
SOURCE: DVI input on monitor not working
Contacted viewsonic about this issue- they suggested- have both dvi and vga hooked up to same machine. start with poweroff on both. power on monitor, then power on computer. when you see display coming from the vga, power off pc, then disconnect vga cable, turn off power to monitor, disconnect power cord from monitor for 5 + seconds, reconnect power cord, power on monitor, then power on pc.
If this doesn't work to get the dvi working, (as happened to us) we returned our monitor for a replacement, since it was still under warranty.
Posted on Nov 26, 2007
Does the OSD settings menu work or (say, contrast) controls work? It could be a control circuit that somehow gets as far as switching the backlight on but can't get the video detection or further (resolution data interchange, etc.) stuff going. There might be a reset jumper for that somewhere in the monitor, or via holding Power for a few seconds, or a Power/brightness-down combo.
Without going to open it up for reset and test connections; there might be a utility (if you can borrow another monitor to get it going) supplied with the monitor to provide settings for it from the PC end! Wacky, but true.
Posted on Feb 23, 2008
Thank you for providing your configuration details.
You have failed to specify wheather or not your LCD Display is under Warrenty.
Perhaps these simple trouble shooting procedures will get the job done.
1. use the DVI to VGA adaptor that came with your card
Plug in a regular CRT monitor to the Primary Display Output Port using the DVI to VGA adaptor
( either port can be designated as the primary by you )
I like to use the Port nearest to the motherboard as the Primary
2. plug in the your LCD monitor on Secondary Display port using your DVI cable
At this point you should be able to see your desktop on the Primary CRT Display
3. Go to the display properties and use the Nvidia Dual Display Setup Wizard
set both desktops to CLONED at a resolution of 1024x768 and set the refresh to 60Hz
which is default for most LCD displays , some have higher refresh rates , consult your user manuel
If the display resolution and refresh are set incorrectly for your CRT or LCD you will see
Signal Out of Range ( if the display has the ability to display that error message )
At this stage both displays should be showing a Windows Desktop
If you now see your desktop on both displays , you can now put the LCD on the Primary Port
No Signal Detected ( this means the display device is not receiving a signal )
If your LCD display is still displaying the error message
"No Signal Detected" after performing the trouble shooting proceedures
You may need to read the user manuel about how to enable DVI signal input.
If you are certan you have done everything correctly but still see only "No Signal Detected"
Your LCD Display may need replacement
Loch Hime :-)
Posted on Sep 14, 2008
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