To fix Operating System Loader has no signature, Incompatible with SecureBoot, All bootable devices failed Secure Boot verification error, follow these steps.

diskpart list disk. Look for your disk and see if there’s an asterisk (*) beside GPT. If it’s not present, it’s MBR. Next, type exit to close diskpart.. 3] If the Disk Type is MBR. Type dir ...

If you continue to encounter the "Bad System Config Info" error, there may be an issue with your PC's registry files or some recent system-level changes may have caused the problem.

Every operating system has a finite shelf life, especially when hardware failures are involved. Learn how to plan for a Windows disaster to get back up and running in short order.

I have (well, had) a working Win7 installation, which I installed from a USB hard drive. I want to dual boot XP, so I started to install it and, when it ...