This board supports UEFI, but some modern RX 6000-series AMD cards may have trouble initializing on older BIOS versions.
MS-7869 Ver 1.0 is an OEM motherboard manufactured by MSI for Acer Aspire ms7869 ver 10 motherboard manual 2021
Here’s how you can find the correct guide: This board supports UEFI, but some modern RX
Many Acer cases used 220W–300W units. If adding a GPU, you likely need to upgrade to a standard ATX power supply. This board supports UEFI