Windows 10: System won't boot. Oscillates between two screens.

My card reader wasn't working so I went to the Dell site and installed a driver. The card reader still didn't work so I rebooted my Dell 660 PC, or tried to. It boots to a Windows splash screen, the goes to a Dell splash screen, then continues to go back and forth between the two screens. I did a system restore from an external drive, thinking maybe the boot was corrupted. No luck there. I'm at a total loss. I am using Window 10 Home. Boot mode is set to: UEFI with Legacy Prom. Thanks.
Ron

:)

 

System restore failed and now my computer won' t boot at all

Hi Bjørn,

To address this concern, we suggest that you follow the steps below:

Method 1:

Disconnect all the external devices (printers, scanner, USB (universal serial bus) drives, etc...) except mouse and the keyboard and then boot up. If this corrects the issue then add the devices back one at a time until you discover the
piece of hardware causing the issue. Then get any updated drivers\software for the device.

Method 2:

Perform a Startup repair from Advance boot option

• 
  Boot your computer using a Windows 10 CD/ DVD or System Repair Disc.
  
• 
  Select the correct time and keyboard type.
  
• 
  Click on Repair your computer in the lower left corner.
  
• 
  Select Troubleshoot from the Choose an option screen.
  
• 
  Click on Advanced options in the Troubleshoot screen.
  
• 
  Click on Startup Repair from the Advanced Options screen.
  
• 
  Next, choose the operating system.
  
• 
  Windows 10 will look for problems on hard drive(s) and verify that all required files are intact.
  

Hope this helps. If the issue remains unresolved, please get back to us and we would be happy to help.

 

computer won't boot but has power

Kursah, that 6 steps are granted it always boots at the 6th step (sometimes at the 4th) and I have to remove the ethernet cable every time otherwise I'll have to do countless steps, that's a fact. I do not have Wake On Lan set.

 

Hp laptop screen won’t display except occasionally

I would like to note that step 20 comes up with no files. Perhaps this could be the source of the issues?