Hi @johninstalbans , I think it might not be a power problem or your BIOS version, but rather the type of BIOS that causes the problem. Most - if not all modern cards require an UEFI BIOS to work, while your system (considering the BIOS version is 8 years old) will most likely still have a legacy BIOS. Generally speaking, if your system originally came with Windows 7, it will probably have such a legacy BIOS, if it came with Windows 8 or higher, it wil likely be a UEFI BIOS. If you indeed have a legacy BIOS, I'm afraid there is no easy solution for it without replacing a lot of parts :(.
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