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Hi , just access the monitor on-screen display (OSD) menu and ensure Monitor input mode is configured for HDMI ( Asus speak the " desired input source" ) - Input select is accessed under tv with arrow icon : change from vga to hdmi
Here is a couple of suggestions for this monitor. 1st check your connection to the computer.
make sure the VGA/HDMI/DVI is properly connected. 2nd check to see if the monitor is setup
to use the right source. Some monitors do this automatically others may need to be manually set.
either look for a button to do this or bring up the monitors menu by hitting the menu button. If the monitors menu button does'nt bring up a menu when the computer is off then the monitor is probably bad.
If the monitor works until the OS boots then goes black. The video card in your computer is set up
improperly with the monitor . In Windows hit F8 as the OS boots this will cause the computer to boot in safe mode. Once in safe mode right click on the desktop then go under properties then settings and change the display option to the correct monitor. You can also go to the device manager in my computer under system information, hardware, device manager and change the monitor here also.
When you turn on most dell monitors they come on with a yellow light, then turn green when the monitor and video source synch. If your light is not turning from yellow to green, your monitor is either dead or not getting a signal from the video source it's plugged into. Verify in your BIOS settings that you have selected to output video through an installed card and not from the motherboard source. If the BIOS settings are correct, your monitor has died. If the light is turning green after you turn the computer on, press the menu button on the monitor and adjust the brightness/contrast until you have a picture. If you don't see anything when the menu button is pressed, then again your monitor is likely dead.
Analysis procedure on this one is straightforward, though equipment intensive.
1) Put a different display on the Mac and see if it works better.
2) Put a different computer on the display and see if it works better.
Until you do this, we don't even know what component is at fault. Once we do, you can proceed from there.
restrat your computer then press continue F8 key untill u get menu
then go to enable vga mode or safe mode or last known god configuration. set your display resolution in display properties to 1024*768 pixel then try.
Most likely the power supply, or the back-plane lamps, or the back-plane supply, or a defect on one of the processor boards is loading the supply too much, or any combinations of these are defective. You will have to have a source to try the boards to fix the monitor. I would suggest to find the authorized service rep for your monitor. They will have to service it for you. If the monitor is out of warranty, the fix will not be cheap!
I tried both suggestions above and neither worked. 1) Hitting the monitor buttons as stated only got me a "digital" message and then the monitor went black as usual. Never got to any menu options. 2) Going into Safe Mode and changing the monitor settings or downloading/installing the correct driver didn't stick once you went back to the normal startup.
I didn't have another monitor handy to swap out so I had to be a little more creative. The only solution that worked for me is re-booting (F8 during startup) into the mode "Enable VGA Mode". This allowed me to go into the normal desktop with a screen resolution of 800x600. I went online, found the driver, downloaded it to the desktop. Deleted the video driver (Device Manager), installed the downloaded version, rebooted and....no problems.
I have Windows XP. Hope I've helped someone today. :)
The problem is not your monitor, but the video card on your computer that it doesn't work on. If the video output on your computer is built in, residing near your keyboard / mouse ports, you can purchase another video card to put into your computer and connect your monitor up to that instead. If it attaches to a separate card inside your computer, just replace it.
There are three kinds you can get, AGP, PCI, or PCIe. Make sure you get one that will fit inside your computer.