Windows 10: No signal from display on boot

Hi, I know this has been asked thousands of times but I cannot find this specific issue.This is how it goes:1. I turn the computer on. No HDMI signal. I changed cables and tried different inputs, DVI, etc but no luck, still no signal. 2. Once the computer is on, I swap the cable to another monitor and everything is fine. 3. Then, sometimes, when I swap back the cable to the first monitor, the signal comes back.SPECSIntelR CoreTM i7-8700K CPU @ 3.70GHz8.00 GB DDR4-SDRAM 2133 MHzMotherboard ASRock B360M Pro4Video CardNVIDIA GeForce GTX 1080Driverc:\windows\system32\driverstore\filereposito

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HDMI no signal only during Boot

Hey Guys,

I've just built myself a new computer, all working well, however on boot my HDMI monitor receives no signal until Windows has fully loaded. It would receive signal to see the Bios screen pop up then go blank with no signal and then about 5 seconds later will receive signal and display the desktop.

I've now added a second monitor connected via DVI, even though this is not set as my primary monitor the bios screen displays on it and I can see the entire boot process through this monitor, it will then load to desktop of which a split second later my primary HDMI monitor will then receive signal and start to display.

It's not a massive issue but it's quite annoying, any suggestions?

I'm using a GTX 970 and Windows 8.1 Pro 64-bit.

Cheers,

 

display port to hdmi no signal

Do you have the latest drivers installed for the graphics card?

If new drivers or reloading graphics card drivers doesn't fix it, the next thing I would suggest is to try the display port to HDMI adapter a couple of us have suggested already with a regular HDMI cable. If your cable is bad or you just need an adapter because for some reason a straight cable won't work - spending $20 on the adapter is a lot cheaper than new graphics card. I just installed my GTX 970 card a week ago and I had plenty of HDMI cables so that is why I went with the adapter instead of buying a new display port to hdmi cable.

 

PC boots up but monitor shows 'no signal' and keyboard not working.

My W10 PC boots up, fan spins, HDD spins but there is no output to monitor, which shows 'no signal' and the keyboard does not light up. I have tried all the suggested diagnostics such as unplug power, take out the CMOS battery, re-seat the RAM, clean RAM etc but nothing. It did come back on a few weeks ago for a few days then reverted to display showing 'no signal'. Any suggestions how to get this PC to display and work again are welcome.

Many posts i have read suggest entering BIOS etc or settings - i cannot do this as no display!

Please suggest fixes for my situation as above.

Thanks