H-ig41-uatx Rev 1.1 Manual →

| Symptom | Probable fix | | :--- | :--- | | No power | Check 24-pin + 4-pin CPU power. Test PSU (green-black wire jump method). | | Beeps (long repeating) | Memory not detected. Reseat RAM, clean slots, test one stick mainly in DIMM0. | | Beeps (1 long, 2 short) | Graphics issue. Reseat GPU or remove discrete card to test internal VGA. | | USB keyboard not working in BIOS | Enable in BIOS → Advanced → USB. | | After CPU upgrade – no boot | Clear CMOS, verify CPU is on supported list (FSB compatibility). | | CMOS checksum error | Replace CR2032 battery on motherboard. | | Windows install fails or hangs | Switch SATA mode to IDE (or slipstream AHCI drivers). |