Uefi0078 · Plus

Decoding UEFI0078: Causes, Fixes, and How to Get Your PC Booting Again

October 26, 2023 Category: Hardware Troubleshooting uefi0078

Inspect the motherboard socket carefully. One bent pin controlling PCIe lane 8 or 16 can trigger error 0078 every single boot. UEFI0078 is rarely a death sentence. In 80% of cases, clearing the CMOS or forcing PCIe Gen 3 solves the problem. Only 10% of users actually have a dead GPU or motherboard. Decoding UEFI0078: Causes, Fixes, and How to Get

Disclaimer: Debug codes vary by manufacturer. Always check your motherboard manual for the specific "Port 80h" code list. Decoding UEFI0078: Causes