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How to disable Automatic Overclock in Crimson on reboot (e.g. black screens from no voltage increase)

post #1 of 4
Thread Starter 
For those who are having black screen problems from not having voltages applied when Crimson applies the last set clock/memory speeds (e.g. like what was set in Afterburner/Trixx):

Either just run that or delete it through regedit
(the problematic variable is PP_CNEscapeInput)

REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\Class\{4d36e 968-e325-11ce-bfc1-08002be10318}\0000 /v PP_CNEscapeInput /f

Seems Crimson is saving the last set overclock (without voltages as I don't think you can set voltages in Crimson itself anyway) in this registry field.
Deleting it and rebooting makes Crimson use pure driver defaults.

There should be a way to make a script that deletes this every time you 'manually' reboot.
Of course this won't do anything if you apply an unstable overclock and instantly black screen and freeze and have to power off...but at least you can go into safe mode and delete it there instead of uninstalling your drivers...


AMD: We NEED a CRIMSON DRIVER setting which PREVENTS crimson from loading this registry key so driver defaults are used EVERY reboot. And it's not hard to make..just requires people to not push the issue under the rug..

CCC never had this problem.
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post #2 of 4
Quote:
Originally Posted by Falkentyne View Post

REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\Class\{4d36e 968-e325-11ce-bfc1-08002be10318}\0000 /v PP_CNEscapeInput /f

Could you put that command into a .bat file, put the .bat file somewhere out of the way, and make a scheduled task that activates with logout or shutdown so it deletes the key just before shutting down Windows? Maybe add an extra command above it taskkill /im CCC.exe and a timeout 1 to let it kill CCC first so it won't recreate the key or something.
Code:
REM ******
REM deleteCCCKey.bat
REM ******
taskkill /im CCC.exe
timeout 1
REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\Class\{4d36e 968-e325-11ce-bfc1-08002be10318}\0000 /v PP_CNEscapeInput /f
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post #3 of 4
Thread Starter 
Hmm I never used scheduled tasks or anything, but I'll try this.
CCC.exe is for Catalyst, and catalyst doesn't have this problem with overclocked speeds being restored on windows boootup.
This was only added to Crimson. It seems voltages are actually recalled on windows reboot too sometimes on the most recent drivers (but not all the time).

I'm guessing the Crimson equivalent is RadeonSettings.exe

I'll mess around with it later. Don't have a SSD so I hate rebooting :/
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post #4 of 4
+rep. Prior to Win10 upgrade I accidentally accepted Overdrive in Crimson in Win7, which follows somewhat my OC settings in Trixx (my preferred OC'ing tool). Went to update to Win 10 and the OS decided to install AMD Firepro driver. Unintalled that and installed 16.7.2 and making sure Overdrive is not accepted.

Now, with the latest AMD Driver and still making sure not to accept Overdrive - I haven't had issue keeping my OC even when re-starting my system.
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