Hi, I've encountered a problem with opencore on my X1 Extreme Gen2, it had been working fine until I decided to reset the nvram in the boot menu. After selecting NVRAM a load noise(like chiptune) came out and the system goes black. When I turn it on again, the screen is black and no BIOS post logo is shown. And it is unable to go into bios settings, or windows.
I saw someone posted similiar situation on reddit before here:
https://www.reddit.com/r/hackintosh/comments/hai55c/reset_nvram_bricked_laptop
FAQ:
- Can you boot from your OpenCore Stick before? YES
- Is everything works with you previous setup? Yes. It works great until I reset the NVRAM
- What did you do prior to this situation? Resetting NVRAM in opencore boot menu
- What happened after that? A loud chiptune and laptop screen turned black
- Were you ever able to boot into BIOS? Not after resetting
- Could it be bricked on a hardware level? Yes, it could be
- On which OC version are you? 0.5.9 Debug
- Which Lenovo model? X1 Extreme Gen 2
- Have you tried taking out SSDs and swap them out? Yes, doesn't work at all.
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