| Issue | Fix | |-------|-----| | Driver not loading | Reboot into unsigned driver mode (Step 2) | | Random double keystrokes | Lower matrix scan timeout to 5–8 ms | | Keys work in BIOS but not Windows | Uninstall all HID drivers, reinstall ISM 3.0 only | | Blue screen (IRQL_NOT_LESS_OR_EQUAL) | Remove, use standard PS/2 driver instead – ISM 3.0 may not be compatible |
C. International layouts
Ensure you are using Open Type (OT) fonts or standard Unicode fonts. ism 3.0 keyboard driver setup