Lost HDMI signal during OS installation... any ideas?

matts05

Reputable
Jul 24, 2014
2
0
4,510
So I just built my first PC. Installed all the hardware, plugged in all the cables, went to turn it on, and... I got no video. Tried both the onboard port and the GPU port. Note that my monitor doesn't come in for a few days so I'm using a TV via HDMI.

My CPU fan and case fans were all running, my motherboard flashed through a quick series of codes, and the light on my keyboard lit up. Turned it off, waited a bit, turned it on, and got nothing again. Tore it down to just the motherboard, it started working, so I built it up one by one and every time it worked.

FYI, here is my setup:

Intel i7-3770
ASRock Z77 Extreme4
MSI GTX 770 Twin Frozr
Samsung 840 Evo SSD
1TB Seagate HDD

After a while a realized that if I turn it on after it's been off a while I get no signal, but if I hit the restart button or turn it on quickly I get better luck... especially if I hit F11 for the boot menu while it starts up.

Anyway, same thing happened today but I restarted so I could get video signal. Started installing my OS and I didn't even think about what would happen when it reboots. First reboot or two everything was fine but after one of them, I lost TV signal. So now I'm in the middle of my OS installation and I'm blind.

So I guess what I'm wondering is, is the best option just to wait for my monitor to come in? Or has anyone else encountered this--could it be more than just the TV?

Thanks for any help.
 
Solution
A classic.

Take your 770 card out of the system.
Connect your Hdmi cable to the back of the mobo.
Power the system on and you will get video output.

Go into the bios of the board.
Set in the graphics section of the bios for Pci-e to be initalized as the first out put device.
If you have the option to disable the I7 Igpu do so.
Save the settings before exiting the bios.
Power the system off.
Now insert the 770 card back into the Pci-e slot of the board, connect power to the card from the psu.
Place the Hdmi cable in the 770 card.

And your done.
It should work every time,when powered up with a video signal detected.
A classic.

Take your 770 card out of the system.
Connect your Hdmi cable to the back of the mobo.
Power the system on and you will get video output.

Go into the bios of the board.
Set in the graphics section of the bios for Pci-e to be initalized as the first out put device.
If you have the option to disable the I7 Igpu do so.
Save the settings before exiting the bios.
Power the system off.
Now insert the 770 card back into the Pci-e slot of the board, connect power to the card from the psu.
Place the Hdmi cable in the 770 card.

And your done.
It should work every time,when powered up with a video signal detected.
 
Solution

matts05

Reputable
Jul 24, 2014
2
0
4,510


Well shoot, thanks. I probably should've researched this before trying to install the OS. I'll get around to trying this out tomorrow. In the meantime... does this mean that I'm hosed in terms of OS installation? As in is it just HDMI output that is affected at this point, or will I be unable to use VGA once I get the chance, even if it is the motherboard output? And if I do have to restart, will that be an issue? I really have no idea at what point of the process it is at. I am installing Windows 7 Professional and at the time I lost video it had restarted once or twice maybe.

Thanks!