Oh dear. Monday saw a bit of stress with the Desktop PC failing to start. It booted into a blue screen with BAD_SYSTEM_CONFIG_INFO.
After it automatically tried to restore, with no success I tried the steps below
Error 0x74: Bad_system_config_info - Microsoft Support
- System Restore: No restore point found
- System image recovery: Made it 50% through and said it couldn't continue
- Safe mode: Wouldn't start in any safe mode configurations. Always returned to the same blue screen
At this point I was out of options so as a last resort decided to reinstall from an ISO image
I downloaded the media creation tool from: Download Windows 10 (microsoft.com) and flashed to a USB stick. 8GB is required for this.
Then on I needed to enter the BIOS (holding Esc on startup for this) and set it to boot from the USB.
After this everything went very smoothly. My PC is connected via Ethernet to the network so nothing was required to setup the internet connection and the windows license was still applied after installation.
Finally, and most fortunately, I had actually made a full backup of the PC only the day before so I hadn't lost any data. The last step to restore was painless.
As to why it failed like this? I don't know. I ran CHKDSK afterwards and nothing untoward was reported. Perhaps a bad Windows update? Although I didn't see any reports of issues like this.
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