There are several reasons why winload.efi might fail a digital signature check. Understanding the cause is the first step toward a fix.
Use a Windows Installation USB to access the recovery environment: Boot from the USB and select . Go to Troubleshoot > Advanced Options > Startup Repair . 3. Rebuild the Boot Configuration Data (BCD) winload.efi digital signature
The winload.efi error is scary, but it’s rarely a sign of a dead hard drive. In 9 out of 10 cases, disabling Secure Boot gets you back to the desktop in under two minutes. There are several reasons why winload
This forces Windows to re-scan for installations and refresh its boot paths. Check for "No Integrity Checks" Go to Troubleshoot > Advanced Options > Startup Repair
: You’ve installed new hardware or a second operating system (like Linux) that the UEFI doesn't recognize as "safe."