Guest EricYiu1 Posted May 16, 2018 Posted May 16, 2018 My Lenovo desktop (Windows 8) failed to boot due to “Secure Boot Violation. Invalid signature detected. Check Secure Policy in Setup”. Upon pressing [Ok] a message popped up “Error 1962: No operating system found. Boot Sequence will automatically repeat”. I tried disabling secure boot but did not work. Please help. Continue reading... Quote
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