Mobo beeps once like normal, no display on graphics card or onboard graphics
A while ago something happened to my video card. It stopped giving a signal and the fans would rev a ton when I turned it on.
Since then I've replaced every component but the psu, ram, and ssd trying to figure out the issue. Right now, all the fans rev, the mobo beeps once when I turn it on, but I'm not getting any signal. I've tried this with the new graphics card installed and with it uninstalled using the onboard graphics. I've checked every cord and reseated everything several times. I'm at a loss. Any suggestions?
Posted Jun 17, 2016, 8:49 PM UTC
16
Just to be absolutely sure, your monitor is plugged into the wall, right? I see you said you checked every cord, but that one is easily overlooked sometimes.
Yep, the moniter is on and saying "no signal".
The vga cable is also firmly attached to the moniter.
Alright, and to be clear, the computer worked previously right?
The fact that the monitor works is a good sign. You'd be surprised how often that is the problem.
Do you have a spare, working VGA cord you could try, or maybe a different monitor you could try?
Yep! I've tried that too on another moniter, with both a vga and hdmi
Okay, so you've tried new cables and still nothing. Neither the onboard or installed graphics card do anything?
The next thing you should test is the RAM.
Be aware that testing RAM is a very difficult job. You have to be very careful because you risk destroying it without even knowing it. It only takes a slight shock to make it useless.
Take each stick of RAM out one at a time and turn the computer on. If it still doesn't work, then take the next stick of RAM out and try again. If you get down to the last stick and it still doesn't work, leave that one out and start putting them back in. Hopefully you can find the faulty RAM, if that's the problem.
Be very careful with it.
edit: If your GPU requires a dedicated power supply cable then make sure it's plugged in. Some PCIe cards do need their own power supply cable.