My monitor had been flashing on and off past few weeks. Yesterday shut down completly. Won't even power up. Bought new monitor today hooked it up and it says no signal and then it goes into power save. Tried new monitor on another computer with no problem. Is my video card shot? Is this something I can purchase on my own and install?
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That means that the monitor is not getting a signal from the computer. There are several possible issues involved. 1) Make sure that the computer tower is on. 2) Check that the video cable is connected to the active port on the desktop. (Computers often have video connections on the motherboard and an added video card. The motherboard connection is disabled when the video card is active. Similarly if there are several ports (VGA, DVI, HDMI, Display port) only one may be active.) 3) Try a new video cable (if possible) and one of the other video ports (again if possible). 4) Try connecting a different monitor to the computer or connecting this monitor to another computer.
Open up the computer and check if the card requires a separate power connection to the power supply. Make sure it is plugged in. Do the fans in the computer spin up?
If a second monitor doesn't work or the monitor works on another computer, then the problem is with the video adapter on the computer, the power supply or the power switch. Please add a comment with more information about the type of desktop and the current video graphics adapter (on the motherboard or separate card). I will provide additional help if possible.
Cindy Wells (who has a computer in the company that needed a new monitor (power supply failed) a few months ago and lost the fan on the video card last week. Without the fan, the card overheated and shut down. Thus no signal to the monitor.)
does your motherboard identify your new video card? make sure to put the new video card on the right slot. then check all the cables which is connected on your monitor going to the tower. make sure to connect the vga cable of the monitor to your new video card. try to power on computer and install the video card driver which comes with your new video card.