Check the jumpers: Jumper might be incorrect (set to master if not sure)
Replace cable: Might be a bad cable
Reset BIOS: Remove AC cable and remove battery for 10seconds-2minutes or use jumper if applicable
Update BIOS: Can be a pain but might need updating
Buy a controller card: If the onboard controller is bad, you can buy a new controller card and use it.
Replace cable: Might be a bad cable
Reset BIOS: Remove AC cable and remove battery for 10seconds-2minutes or use jumper if applicable
Update BIOS: Can be a pain but might need updating
Buy a controller card: If the onboard controller is bad, you can buy a new controller card and use it.
