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gper
Journeyman III
Journeyman III

Main Display changing resolution to 1440x900 (native 1920x1080) on startup

50% of the time when I start my computer up, my main monitor gets set to a resolution of 1440x900 when its native resolution is 1920x1080. This has been happening for a very long time now, through multiple different Windows installations.

When the issue occurs, I can sometimes go into Radeon settings and it will automatically detect the correct resolution and fix it. Most of the time it doesn't do this though.

I have tried enabling EDID in the Radeon Additional Settings as well as fiddling with all the options to no avail.

System Information:

  • AMD Radeon HD 7950 Graphics Card
  • Desktop System
  • Windows 10, however issue persisted through Windows 7 & 8.1.
  • Radeon Software Crimson Edition 16.7.3
  • Display Devices
    • Samsung Syncmaster 2333 (should be at 1920x1080) @60Hz, HDMI adapter (graphics card).
    • ViewSonic VA1912w, 1440x900 @60Hz, HDMI adapter (motherboard).
  • ASUS P8B75-M Motherboard
  • Intel Core i5-3570 CPU
  • Coolermaster Thunder 600W PSU
  • 8GB RAM

Thanks.

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22 Replies
gper
Journeyman III
Journeyman III

Re: Main Display changing resolution to 1440x900 (native 1920x1080) on startup

bump

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amdmatt
Community Manager
Community Manager

Re: Main Display changing resolution to 1440x900 (native 1920x1080) on startup

We'd like to help, please provide the following information.

INFORMATION REQUIRED WHEN POSTING A QUESTION

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gper
Journeyman III
Journeyman III

Re: Main Display changing resolution to 1440x900 (native 1920x1080) on startup

Sorry, updated the main post with that now.

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amdmatt
Community Manager
Community Manager

Re: Main Display changing resolution to 1440x900 (native 1920x1080) on startup

Did this occur on older drivers?

What happens if you disconnect the monitor from the integrated GPU, does that have any effect on the issue?

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hybrid
Adept III
Adept III

Re: Main Display changing resolution to 1440x900 (native 1920x1080) on startup

Installing your display drivers may fix the problem,

ViewSonic didn't release drivers to the VA1912w

but Samsung released drivers to your 2333:

2333T: 23" LCD Monitor | Samsung LCD Monitor 2333T

2333HD-1: http://www.samsung.com/us/support/owners/product/LS23CFUKFYD/ZA

gper
Journeyman III
Journeyman III

Re: Main Display changing resolution to 1440x900 (native 1920x1080) on startup

Bump.

Still happening. I have all the latest drivers for both monitors.

My previous fix was the play around with the Catalyst Control Center display settings and it eventually would end up at my normal resolution.

However it looks like AMD removed CCC and those features (why!?)

I'm on the latest version of my graphics cards driver.

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amdmatt
Community Manager
Community Manager

Re: Main Display changing resolution to 1440x900 (native 1920x1080) on startup

You can adjust the resolution via Windows Display Properties.

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gper
Journeyman III
Journeyman III

Re: Main Display changing resolution to 1440x900 (native 1920x1080) on startup

It only goes up to 1600x900 in Windows Display Properties. Note that this only happens about half the time I power my computer on. This time I fixed it by restarting my graphics driver however it always occurs again after a few reboots.

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amdmatt
Community Manager
Community Manager

Re: Main Display changing resolution to 1440x900 (native 1920x1080) on startup

Check Windows Device Manager > Monitors. Is the monitor showing as disabled?

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