Windows 11 upgrade flashing screen

metaltoby

Member
Local time
10:45 PM
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5
Hi all,
I got the option to upgrade to Windows 11 today so I accepted it.
After the upgrade the screen is flashing on and off non-stop.

I made a video of it here:


Any ideas what I can do to fix it?
I booted into safe mode and reverted back to W10 without any issue.

Spec:
Ryzen 7 3700X
32GB Ram
RX570 Graphic
MSI B450

Thanks!
 
Windows Build/Version
21H1

My Computer

System One

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barman58

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Could be as simple as the Video driver not yet supporting Windows 11, keep your eyes on the manufacturer's update notices, for your card drivers - if you have certified Win 11 drivers check of any specific requirements or setting for your card and resolution etc
 

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BunnyJ

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Could be as simple as the Video driver not yet supporting Windows 11, keep your eyes on the manufacturer's update notices, for your card drivers - if you have certified Win 11 drivers check of any specific requirements or setting for your card and resolution etc
I checked and there are drivers for 11 available.
1633438679408.png
 

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  • Operating System
    Windows 11 Home
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    PC/Desktop
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    Banna Junior 7K - X Series
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barman58

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The fact that they have bespoke drivers for the two operating systems would suggest to me that there are differences that could be at fault here with the flashing screen
 

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System One System Two

  • Operating System
    Windows 10 Pro x64 [Latest Release Preview]
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    Chillblast to my design
    CPU
    Ryzen 9 5950X, 4.9GHz
    Motherboard
    Asus Prime X570-Pro Motherboard
    Memory
    64GB DDR4 3200MHz
    Graphics Card(s)
    4GB NVIDIA GEFORCE GTX 1650 Ti - HDMI, DP
    Sound Card
    On motherboard Feeding SPDiF 5.1 system
    Monitor(s) Displays
    32" UHD 32 Bit HDR Monitor + 43" UHD 4K 32Bit HDR TV
    Screen Resolution
    2 x 3840 x 2160
    Hard Drives
    1TB M2 SSD OS, 500GB Fast Access SSD, 2 x 8TB Data + Various Externals from 1TB to 4TB, 10TB NAS
    PSU
    NZXT C750 80 PLUS Gold 750W Modular PSU
    Case
    Chillblast Silent Workstation PC Case - Black
    Cooling
    NZXT Kraken X63 280mm CPU Cooler, Quiet Case fans Fan
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  • Operating System
    Windows 10 Pro x64 [Latest release]
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    Dell XPS 17 9700
    CPU
    i7 10750H
    Motherboard
    Stock
    Memory
    32 GB
    Graphics card(s)
    Stock Intel + GTX 1650 Ti
    Sound Card
    Stock 4 speaker
    Monitor(s) Displays
    Stock 17"
    Screen Resolution
    3840 x 2160 HDR touchscreen
    Hard Drives
    2TB M2
    PSU
    Stock
    Case
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BunnyJ

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Likely..
 

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    Ryzen 7 2700X
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    Asus Crosshair VII Hero, X470
    Memory
    Gskill 32GB, 16GBX2 PC3000
    Graphics Card(s)
    GeForce GTX TITAN X 12GB
    Sound Card
    On motherboard
    Monitor(s) Displays
    Viotek 32" Curved, ViewSonic 27"
    Screen Resolution
    1080P
    Hard Drives
    Primary Samsung 256 SSD
    PSU
    EVGA BQ 700w 80+ Bronze
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    NZXT 510
    Cooling
    Stock AMD cooler
    Keyboard
    Corsair
    Mouse
    Amazon Generic with Cord
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metaltoby

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Thread Starter
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10:45 PM
Posts
5
Thanks I saw those as well.
If I do the update again how do I get the drivers to update? When the screen is flashing I can't do anything so I wont be able to run the installer. Can I install the W11 drivers first??
 

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wordsworth

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Thanks I saw those as well.
If I do the update again how do I get the drivers to update? When the screen is flashing I can't do anything so I wont be able to run the installer. Can I install the W11 drivers first??
At AMD's site the Win 11 and Win 10 drivers are the same, in fact the Release Notes both say Windows 11. For that reason, I'd say install the driver for Windows 11 in Win 10 then try upgrading again to Win 11. I'd also though check your display refresh rate while still in Win 10 and make certain you select the highest refresh rate your monitor will do (look up that spec for your monitor if you do not know what it is). It appears to me there may be a problem with the synergy between Win 11, display drivers, and the monitor refresh rate.
 

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metaltoby

Member
Thread Starter
Local time
10:45 PM
Posts
5
My drivers were out of date so I updated them to the latest versions and ran the upgrade again.... same issue. Screen flashing.

The strange this is that the login page is fine. No flashing at all.
Also, my PC has 2 users so I logged into the other user (my wifes) and everything was fine. New start menu and no flashing. The flashing is only happening when I login with my user.

I did notice that when I logged into my wifes user I got the "Hi, we are setting things up" screens. When I first logged with my user I never got this.

I have a spare SSD so swap it in and try a fresh windows install. Otherwise I'll just wait a few weeks and try again in the hope things improve.
 

My Computer

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  • Operating System
    Windows 10
Local time
4:45 AM
Posts
39
My drivers were out of date so I updated them to the latest versions and ran the upgrade again.... same issue. Screen flashing.

The strange this is that the login page is fine. No flashing at all.
Also, my PC has 2 users so I logged into the other user (my wifes) and everything was fine. New start menu and no flashing. The flashing is only happening when I login with my user.

I did notice that when I logged into my wifes user I got the "Hi, we are setting things up" screens. When I first logged with my user I never got this.

I have a spare SSD so swap it in and try a fresh windows install. Otherwise I'll just wait a few weeks and try again in the hope things improve.
This could be a rare bug that you may be the first, please report this through Feedback Hub also share link here so that those who have similar can upvote.

Also please use the video file you shared above in your report so they can understand the issue : ) This most likely a bug since early builds of Windows 11, so best to wait for updates or just use another user acount.

Thank you

Shawn
 

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