For many generic laptops and mini-PCs, changing graphics-related settings (like switching main cards) can permanently disable display output, requiring a hardware programmer to fix.
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: In cases where the system shuts down after exactly 30 minutes, it is often an Intel Management Engine (ME) issue. This can sometimes be fixed using the Intel Flash Programming Tool (FPT.exe) from a DOS-bootable USB drive. Hardware Flashing For many generic laptops and mini-PCs