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Although [Resizable BAR] and [Above 4G Decoding] are actually enabled in the BIOS,Intel Arc Control prompts [Resizable BAR general-not-supported] and [Automatic system support detection is not available]
I have written to ask the motherboard manufacturer and followed the steps given to try to correct the anomaly, After reinstalling the latest BIOS,the problem remains unsolved
I have sent feedback on this forum before, but for some unknown reason, I do not seem to have the right to reply to anyone. When I log on to the forum and click the reply button, the web page is only refrefied, and the post reply button is also prohibited. Even if I reply by email, the email will be returned
I've attached a few screenshots and a system message log below that I hope will be helpful
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Hello HanGeng
Thank you for posting on the Intel Communities. I am sorry to hear that you are experiencing issues with the Resizable BAR status for your Intel® Arc™ A770 Graphics.
This is a known issue that we are currently working on to come up with a solution. The issue is just aesthetic and you can verify the status with third-party software like GPU-Z. You can also, try the following workaround for AMD systems:
- Boot into BIOS.
- Disable 'Above 4G Decoding' and 'Resizable BAR support' options.
- Disable 'Secure Virtual Machine' (SVM) option.
- Save and Exit.
- Restart the computer.
- Boot into BIOS.
- Re-enable 'Above 4G Decoding' and 'Resizable BAR support'
- Save and Exit.
- Restart the computer.
- Boot into Windows and verify if Arc Control reports Resizable BAR as supported.
I will be sending the information through a private message to the email registered to your profile in case you cannot reply in this forum.
Best Regards,
Hugo O.
Intel Customer Support Technician.
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I have the same problem in my MSI Thin GF63 004IN Laptop.I have followed the workaround still not showing rebar support in arc control and mine is intel CPU not AMD.
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Resizable Bar Disabled Intel 770, Says Unsupported Device. Alienware M18, i9-13900HX.
All conditions are satisfied. GPU-Z simply says Unsupported Device.
How do I Enable it?
I have this problem too (0)
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