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- black screen after Secure Boot enable and Disable legecy Boo...

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11-07-2023 11:23 PM
Product: HP Z440 Workstation
hello, Recently I change some settings in my bios, I enabled the Secure boot and disabled the Legacy Boot in my HP Z440 Workstation. But After that it beeped 5 times and Red light. After getting that this is a ram issue I changed the slots, Now there is no beepor red light. Everything looks Normal. but no display output. I tried to cmos reset. Removed the cmos battery, But no luck.
My cpu has Quadro 4000 GPU. I tried every type of Cmos Reset but it didn't Help.
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