A500 troubleshooting

[fifrelin31]

My amiga 500 boots up apparently OK.
I see a screen with a hand and a floppy tellin gme to insert workbench 1.3 .
I've tried workbench 1.3.2 and 1.3.3 floppies but nothing happens (no 1.3 available).

I've opened the old miggy, the floppy is rotating quite slowly and silently, for a very long time. The floppy is a standard chinon FD 354.

I've tried to switch the twio CIAs, but nothing better.

The power led is green and the disk led is yellow, no blinking.  :-?

Does someone has any idea to fix the problem.

[fifrelin31]

@Ilwrath

I've tried to connect the floopy connector in the 2 ways, nothing better.

swap drives :-? ? I only have one in my a500

I've tested power supply, gnd, +5 and +12 are OK. I've also tried to use an PC ATX PSU to power up the floppy.

[fifrelin31]

with no floppy, no noise nor click click.

When I insert a floppy, the drive starts to rotate gently, but no noisy access .