Windows 10: USB devices turn on and off several times during startup and I have a black screen with a...

A few days ago, I noticed some strange behavior on my Windows 10 Pro install. My desktop is one I made, 13900K, Gigabyte 4090, AsRock Tachi Carrera, 64Gb of Ram, 2Tb Samsung NVME SSD, all ran off of a Seasonic PRIME 1300W Gold . I have built computers my whole life so this is not my first foray at this. I noticed that on startup, before the BIOS screen and Windows starts loading, I get a black screen with a white bar in the upper left. With Fast Boot disabled, that screen can hold from 5-15 seconds, with total boot being almost 90 seconds. During this, my USB devices will turn on, then off, se

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Black Screen on Startup

Hello,

Could you please answer few questions:

• 
  When you say “Now, nothing is on my desktop” what exactly are you referring to?
  
• 
  Are you getting black screen after Sign in?
  

If you are getting black screen after sign in, I would suggest you to follow the steps mentioned in the below help article and check if it helps.

Troubleshoot black screen problems

Troubleshooting black or blank screens in Windows - Microsoft Support

Hope this helps in resolving the issue. If the issue persists, do get back to us. We will be happy to assist you.

 

Black screen error

Hello,

There are several reasons why you are facing a black screen issue. One of these is due to outdated or incorrect device drivers. For us to figure out what's causing this, provide more details by answering the listed questions:

• Can you confirm to us if you are using a laptop or a computer?
• Have you made any recent changes to your device prior to this happening?
• What exactly were you doing when the error occurred?
• Have you tried any troubleshooting steps to resolve this? If yes, specify all of the steps that you have done.

As an initial part of troubleshooting, we suggest following the steps given on this article:

Troubleshoot black screen or blank screen errors. This will help you diagnose and rectify most of the known black screen concerns.

We will wait for your response.

 

Windows 10 started fine then the screen went black

Hello,

Please try the below steps to troubleshoot black screen error issue.

I would suggest you to refer the below link and follow the suggestions provided by Sharath Srinivasa and see if it helps.

Redirecting

The issue you are facing with USB ports, kindly try the below methods and check if it helps.

Method 1: Update USB Controllers.

To update the USB Controllers from Device Manager follow these steps.

• Go to Device manager in control panel.
• Select Device manager and a Device Manager window will pop-up.
• Double Click on USB Controllers to expand.
• Right click on the USB Controllers that is listed and select Update.

If the above steps doesn't help try the below method.

Method 2:

I would suggest you to uninstall and reinstall USB controllers
and check. Please follow these steps:

a. Press Windows + R keys, type devmgmt.msc
in run window and press Enter.

b. In device manager, expand "Universal Serial Bus Controllers".

c. Right click a device under "Universal Serial Bus Controllers" and click
uninstall.

d. Perform same step for other devices. When completed, restart the computer.

All USB controllers will reinstall automatically.

I hope this information helps.