- Unscrew the panel of the karaoke player(unscrew these screws with blue marks on bellow image)
- Disconnect two cables connecting with hard drive first.
- Unscrew the hard drive from the bottom.
- Connect two cables with the NEW hard drive and screw the NEW hard drive with the bottom.
- check these ports connecting hard drive with the other boards, make sure they are well connected.
- Power on the karaoke player, test the machine again and check whether the problem is solved.
