- klik kanan pada my computer
- properties
- pilih hardware
- device manager
- PORT ( COM & LPT )
- Communication Port (COM1)
- Port setting
- Bit per second di ganti 75
- Data bit diganti 5
- Parity di ganti EVEN
- Stop bit di ganti 2
- Flow control di ganti Xon / Xoff

lalu klik ke detail
ganti menjadi Current Power State

Note: Kalo pakai win 7 / vista , ga usah klik bagian detail , langsung OK