Check if there is any damage or something inside the port is preventing vga signal from getting through.
Vga cable plugged in but not working.
When i plug in the monitor with the dvi cable and turn it on it says no vga cable the display will go into power save mode in 5 minutes i tried to use the vga cable but there s no input for that on my pc.
Next if this does not solve your problem disconnect your computer dvd player or another input device from your cable and plug in a new input device.
If necessary replace them with another identical signal cable e g hdmi or dvi to conduct a cross test.
It is an old 10 years monitor but works ok if i plug it into the dvi vga converter.
I have two monitors plugged into my gtx760 ti graphics card one through dvi one through vga the.
I have it hooked up to my computer with a vga cable using a dvi adapter as my video card only has 1 hdmi port being used by my main monitor 3 display ports and 1 dvi port.
I tried replacing the cable just in case that was the problem but it did not change the issue.
If your monitor and cable are working it is possible that your input device is not.
First check the vga port.
This does not work at all.
I have windows 7 x64.
What do i do.
I have one monitor plugged into the dvi output via a vga converter thing this works fine.
I m trying to connect a second monitor to the hdmi output by way of a hdmi to vga cable.
Monitor not displaying through vga cable posted in internal hardware.
So i just received my alienware x51 and dell u2412m monitor.
I have an intel i7 4790k cpu 4 00 ghz.
Next check if the cables are working properly.