Please provide:
| Symptom | BIOS Solution | | :--- | :--- | | | Disable Quick Boot ; enable Halt On All, But Keyboard ; reseat SATA cables. | | USB keyboard fails in BIOS | Enable Legacy USB Support (set to Enabled, not Auto). | | Wrong RAM size detected | Re-seat DIMMs; set Memory Remap Feature to Enabled (critical for 4GB+). | | PCIe card not recognized | Set Primary Video to appropriate slot (e.g., PCIe x16); force Gen1 or Gen2 speed. |