Windows 10: Secondary Monitor Undetected after windows update

A few drivers auto updated last night and now my laptop won't detect a secondary monitor. I've already checked it's not the hdmi or the monitor issue. Any suggestions how to fix it?Updates:Windows 11. version 24H2Security Intelligence Update for Microsoft Defender Antivirus - KB2267602 Version 1.421.1898.0 - Current Channel BroadSecurity Intelligence Update for Microsoft Defender Antivirus - KB2267602 Version 1.421.1888.0 - Current Channel BroadSecurity Intelligence Update for Microsoft Defender Antivirus - KB2267602 Version 1.421.1876.0 - Current Channel BroadLaptop: Asus Pro Art

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Windows 10 1909 Causes Secondary Hard Drive to not be Recognized

Installing the Windows 10 1909 Update causes my secondary hard drive to not be recognized.

Steps to confirm issue:

• Secondary drive not visible in Windows Explorer
• Secondary drive not visible in device manager
• Secondary drive not visible in disk manager

Steps to replicate issue:

• Installing 1909 update

Steps to resolve issue:

• Uninstall 1909 update

Since updates can only be delayed for so long, an actual fix would be appreciated.

 

[Windows 10] HDMI monitor becomes undetected and detected repeatedly if it's switched to other devices.

Everything works fine with Windows 7.

I have 3 monitors, 2 DVI and 1 HDMI and I use the HDMI one as my main monitor.

I also have a headphone "MDR-HW700DS" and it has a HDMI switcher(3-in/1-out).

My PC and my Xbox1 are connected to the HDMI input1 and input2 of the switcher.

After upgrading to Windows 10, My main monitor(HDMI) will goes off and on in 1 second but repeatedly about every 5 seconds when I switch to display the Xbox1.

Which means, my main monitor(HDMI) will be disappeared(undetected) from the display settings for 1 second and suddenly be detected and remains only about 5 seconds, then loop.

It's really annoying and I can't do any multi-task in this situation, because one of my secondary(DVI) monitors will blink every 5 seconds.

When the main monitor is undetected, all the desktop icons and active-windows on it will be pushed to my secondary monitor(it will become the main monitor automatically) and also causes it to blink(like the blink after you adjust your display settings).
And my main(HDMI) monitor will be detected in 1 second(all the desktop icons and active-windows will go back to main monitor), so the secondary monitor will blink again and remain steady for only 5 seconds, then the main(HDMI) monitor will be undetected again
and looping.

This never happened when I was using Windows 7.

 

Repositioning app window on dual monitor, Windows 10

Hi Dreed,

Thank you for your response.

In this case, we would suggest you to follow the steps mentioned below and check.

1. Launch Skype.
2. Drag the Skype Window to secondary monitor.
3. Resize the window as per your preference.
4. Maximize the Window and Restore Down.
5. Then close the skype window in secondary monitor.
6. Then try re-launching and check if the issue resolves.

Regards.