GPU Overclock fail - PC does not boot correctly

You didnt kill the card, its a driver issue well known to all AMD users, basically since windows 10 came out theres been problems with the card loading an overclock with less volts than needed on a windows reboot causing a blackscreen. a lot of us switched to editing the bios to overclock to get around it.

As others suggested the easiest way to solve the blackscreen is to reboot into bios and load an onboard GPU then run DDU and resintall drivers but since you dont have an onboard GPU thats a bit of a problem.

You've probably corrupted your boot files by constantly blackscreen and restarting, ive had it happen a few times in the past, sometimes its fixable by just replacing the corrupted files or sumtimes its just quicker doing a reinstall. With a win10 usb stick with all your drivers on you can reinstall in no time.

If you have a second PC you could always stick your HDD in there and delete the drivers from it manually. Im not sure which drivers exactly you need to delete but i imagine if you delete the "c:\AMD" folder then go into c:\windows\system32\ and c:\windows\syswow64\ then just delete everything starting with AMD and ATI youll probably get the ones ya need to at your own risk ofc :), it will probably be e: or f: rather than c: drive thinking about it but ya know what i mean.

Maybe theres a way to run DDU on a secondary drive, i dont know about that but if there is you could do that also, i remember there was another driver killing program that used to let you select where you wanted to search but i cant remember what it was called as ive used DDU for so long now.
 
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Well, you dont know how relieved (dont know if that is the right word) I am. I know you cant be sure but it sounds logical.

I cant seem to get the remote desktop working because the registry bit I edit just gets deleted again and again.

I probably try to safe my files and reinstall. (Today or tomorrow)
I will post back if it worked!
 
Okay, I finished reinstalling and just installed crimson again and its working perfectly! Thank you guys so much for your help! I was already seeing myself buying a new card the next few days :D

One questions is left: How do I prevent this from happening again when OC'ing my GPU?

Best Regards!
 
Glad ya got it sorted, the only safe way to do it is to flash a custom bios with added voltage if you want to add more voltage. Unless your struggling in games and you need that extra few mhz then i would just overclock as far as you can without adding more voltage, you can just do it using AMD overdrive. You can still use AB to monitor or save profiles but just dont use it to alter voltage, same goes for other third party overclocking software.

Just remember if you flash a custom bios onto your GPU, first make a backup of yours using GPU-z to save your bios, and then only ever flash one of the bioses, then if you ever screw up a bios flash you can easily flick the switch on your card to change to the second bios.
 
Okay, thank you very much! I will probably just stick with stock settings then and wait for the Rx 480. Hopefully this one will be a good! :D

Best Regards!
 
Im not sure if the 480 will be much of an upgrade if any over the 390x, dont be worried about overclocking using the overdrive system in the crimson software. It wont cause blackscreens overclocking that way, just see if you can get a little extra core speed in there, the worst that will happen is your driver crashes most of the time then if you have to restart the settings will go back to normal when you load back into windows.

The easiest way to test overclocks is to not use the global settings overdrive, but to do it for the game or benchmark your testing it on first, then if your system does reset it wont load the overclock cause your global settings will still be stock speeds. Once you find a suitable overclock your happy with you can then add that to the other games profiles in there, so games that dont require much power just leave at stock speeds and games that require more add more core speed.
 
The idea was to get a smaller card (hopefully with a zen) for an itx built because Im studying abroad in a few months. I think the smaller 480 will fit the case. My current card is about 30cm and way to long for my desired case.

Thats a really good idea you mentioned! I think I will give it another try next weekend.
Thank you
 
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