29 Replies Latest reply on Oct 11, 2016 9:43 AM by abdullah9009

    (Crimson)DisplayPort brightness too high when not at highest refresh rate

    smileronline

      I installed Crimson yesterday and everything was fine.

      But today when I logged in I opened an explorer window and noticed that some light grey surfaces(ie: scroll bars) weren't showing as the display was too bright/washed out, but this is not something I could fix by changing the display brightness/contrast/gamma settings... As it turns out, I need to run the monitor at the highest refresh rate that is available in the Windows display settings.

       

      But when I switched from DisplayPort to HDMI though, this wasn't an issue....

       

      Some of you may be wondering why I'd rather be running at a lower refresh rate than that which is available.

      Since the new Crimson drivers allow for custom resolution I added 1080P@75Hz which works on my display (AOC i2769vm), but I'd rather only use 75Hz when gaming, (I don't know this but I suspect that running at 75Hz all of the time may reduce the displays life span - I'm very uneducated about this though) and just to be on the safe side I'd like to run @60Hz when on the desktop.

       

      System Info:

      OS: Windows 10 Pro - x64,

      Drivers: Radeon Software 15.11 - Crimson Edition,

      GPU: AMD Radeon R9 390 8GB - HIS,

      Display/Monitor: AOC i2769vm - Standard max resolution 1080P@60Hz,

      (*Note* Audio also being sent over display cable - DP/HDMI)

       

      CPU: Intel 3570k @4.0GHz,

      RAM: 16GB of DDR3 @1333MHz,

      Boot drive (SSD): Samsung 840 EVO 250GB,

      PSU: Corsair AX760i - 760W,

      Motherboard: ASUS P8Z77-V Pro - Intel Z77 chipset.