yep. i did check the voltage of floppy port,  and adjust voltage lever, but nothing was changed.

when i had made a screen brighten, the tik sound was going up.

i will check the coil as your comment.

thanks.

westcoastech said:

I read you can check the voltage from the floppy connector on the back of the motherboard, is this correct?

Click to expand...

yep. i did check the voltage of floppy port,  and adjust voltage lever, but nothing was changed.

when i had made a screen brighten, the tik sound was going up.

i will check the coil as your comment.

thanks.