AnsweredAssumed Answered

Why is my second monitor flickering after applying any sort of overclock?

Question asked by germanaf on Nov 3, 2017
Latest reply on Dec 12, 2017 by bavabo01


  • Sapphire R9 280X
  • Windows 10 Pro 64bit
  • Crimson ReLive 17.10.3
  • Acer S27HL 1920x1080 @ 60Hz HDMI to HDMI(Main Monitor)
  • Dell P190S 1280x1024 @ 60Hz DVI to DVI(Secondary Monitor)
  • ASUS H97-Plus Bios Version 2306
  • Intel Core i5-4590
  • Corsair CX-450 450W
  • 16GB of mix'n'match RAM


Following Scenario:

I fiddle around with the Overdrive options in the Radeon Settings and find a stable overclock that has worked for over a year. One day (approx. a month ago) I completely break my Windows Installation and have to switch to Linux for a few days until my new Windows gets here.

I install the new Windows, which is the same version as the one before (Windows 10 Pro 64bit) and again try to fiddle with the Overdrive options.

Everything is completely the same except the Windows key and obviously some folders and files. The hardware is the same, the BIOS versions are the same, nothing has changed. Except the fact that my secondary monitor starts flickering as soon as I deviate from the stock settings. It doesn't matter by how far or in which "direction". As soon as it's no longer stock settings the monitor goes batshit.

Why does that happen? More importantly how can I remedy it?


Thanks in advance :-)


Attached is a Video showing the flickering.