Hi Gareth
My name is Andre Da Costa; an Independent Consultant, Windows Insider MVP and Windows & Devices for IT MVP. I'm here to help you with your problem.
As future Windows 10 feature updates are released it will introduce incompatibility with older devices and PC's. Certain components will not support these changes as observed by some users not seeing transparency anymore. Recommendations include, rollback, block the upgrade or consider upgrading components in your system such as graphics, storage, BIOS, motherboard or purchase a new Windows 10 PC.
Power on and off your computer three times
How do you do that?
Power on, when you see the Windows Logo - power off
Power on, when you see the Windows Logo - power off
Power on, it will then your computer will boot into the Advanced Recovery environment
You might be asked to sign in with your Microsoft Account or Local Account password.
Click Advanced Options
Click Troubleshoot
Click Advanced Options
Boot into the recovery environment again, then try performing a startup repair.
Perform the startup repair a couple more times then restart again to see if you are able to boot to the desktop successfully.
If that does not work, boot into the recovery environment, then click 'Go back to previous version of Windows'
If that does not work.
Power on and off your computer three times
On the third time, your computer will boot into the Advanced Recovery environment
Click Advanced Options
Click Troubleshoot
Click Reset this PC
Click Keep my files
Choose your account
Enter your password
Click Continue
Click Reset
If that does not work.
Go to a working computer, download, create a bootable copy, then perform a clean install.
Step 1: How to download official Windows 10 ISO files
http://answers.microsoft.com/en-us/windows/wiki...
Step 2: How to: Perform a clean install of Windows 10
http://answers.microsoft.com/en-us/insider/wiki...
If there are files on the drive you want to recover, see - How to: Perform a Custom install of Windows 10
http://answers.microsoft.com/en-us/insider/wiki...
Step 4: how to recover your files from Windows.old:
https://answers.microsoft.com/en-us/windows/for...
If none of the above options works, you could consider downgrading back to Windows 10 1703:
download Windows 10 1703 from the following link:
https://tb.rg-adguard.net/index.php?sid=74a7cf5...
Choose the following:
- Windows Final
- Windows 10, version 1703
- Windows 10 Pro + Home
- English
- x64 (64 bit) x32 (32 bit)
Step 2: create a bootable copy
https://answers.microsoft.com/en-us/windows/wik...
Step 3: perform a custom install
http://answers.microsoft.com/en-us/insider/wiki...
Step 4: how to recover your files from Windows.old:
https://answers.microsoft.com/en-us/windows/for...
Windows Update might attempt to upgrade to Windows 10 1809 again. See instructions how to block it:
https://www.groovypost.com/howto/block-windows-...
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.