Windows 8.1 doesn't recognize my iphone

Hi to all, I'm a bit desperate...
i have an iPhone 5 and the lastest itunes release. and on the last week I have the insane idea of installing windows 8.1

Now i can't see my iPhone on My computer so I cant see the pics I take with it 😟
I don't know what do to...

I've try everything:

• I've installed and unistall iTunes
• Try an old version
• Uninstall usb driver with usbdeview
• try to manual install the usbaapl64
• check the cable...

NOTHING seems to work...and i'm pretty sick of this...
Oh iTunes recognize the phone and sinc everything...

If could help in device manager I have the yellow exlamation mark on the iphone 😟

I hope u can help me....thanks u so much in advance