Argh - please help with Win10 issue

NF7-S

NF7-S

NF7-S

Soldato
Joined
25 Oct 2003
Posts
6,144
Hi all, long story short - my PC is no longer displaying on my TV since I tried to turn on HDR, I can't seem to get this thing back to square one...full details below;

I have been playing RDR2 on my Windows 10 PC and have a new TV (Samsung S95C). It's in game mode but the TV isn't displaying HDR and HDR is not an option within the graphics settings.

So I did a bit of digging and it seems I should enable HDR on the PC, then boot the game and select HDR...so I went into the display setting and switched on HDR and now I have no signal!

To resolve this I have tried using option 5 on this video; https://www.youtube.com/watch?v=KZ1IAT7WrnY

I'm stuck though because when I do the last step it just reboots into no display.

What happened to the good old days of pressing F8, booting into safe mode and then rebooting and voila!? :(

In case the info is needed I using a 3070...the HDMI does go through a switch which is apparently fully HDR compliant, trying that is my next step but it is a faff hence trying to see if I'm missing something first...pretty sure in the old days you could 'wind back' the previous setting changes quite easily!?

Thanks in advance for any advice :)
 
The best way to get in safe mode these days is to turn off the computer as soon as you see the Windows logo. Do this 2-3 times and Windows should enter Recovery mode.
 
darael said:
The best way to get in safe mode these days is to turn off the computer as soon as you see the Windows logo. Do this 2-3 times and Windows should enter Recovery mode.
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I'm in safe mode, I can't get out of it - in the video I link to when I follow the instructions the reboot takes =me back to square one (i.e. I can't get into Windows)
 
NF7-S said:
I'm in safe mode, I can't get out of it - in the video I link to when I follow the instructions the reboot takes =me back to square one (i.e. I can't get into Windows)
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Download the free version of Macrium Reflect, create a bootable USB stick and boot from it, then use the Fix Windows Boot Problem to try and fix the safe mode problem.

A word of warning though, I've had the safe mode issue before and I don't really remember if I ever fixed it - I remember having to reinstall Windows though. :(
 
Not entirely sure why you need to boot into safe mode, especially if you're using a USB stick with the Windows install media on it. Plugging the display connector (DP or HDMI) into another port would be my first go to because by the sounds of it seems more like a display issue than a boot problem, changing the display settings of an copy of Windows that's not the system drive (the drive that Windows booted from) is not something I'd attempt.

I'm guessing you get a display output for the BIOS and/or BIOS splash screen, if so it's definatly Windows doing something screwy and the quickest/easiest way to resolve that would be by booting into the version that's got the issue rather than another version (on the USB stick or safe mode). Last known good probably wouldn't work because as far as Windows is concerned there's not been any problems.
 
Cheers guys, seems my PC is totally fx'd - lol, I can't believe it, all I did was try to put HDR on :(

Anyway, after much frustration and failed restore attempts I lost internet and was getting all sorts of errors so I'm just going to re-install...hopefully nothing lost
 
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haha, managed to re-create the issue, re-installed windows, downloaded the 3070 drivers, selected HDR and it's fx'd again!!

At least I know exactly how to re-create (and it wasn't a one-off) and can start to investigate.
 
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