iphone does not connect to computer anymore

hello,
I think I have a really serious problem... I unshackled my phone with iFuntastatic and then wanted to enable YouTube... so I removed the files and replaced it with the activated ones like described im many forums... afterall I unplugged the phone and started YouTube but the connection failed..I guess it is because I have firmware 1.02 in my iphone... well I actually don´t care about YouTube...but now my phone cannot connect to my iMac anymore...it is not seen by itunes, iphoto or ifuntastic...I already restarted the computer and iphone several times...no chance...then I tried to start iphone in recovery mode,which failed either ... no yellow triangle or something else popped up... just the black screen... the iphone itself is still running but a little bit slower, for example when I push the home screen it always takes ten seconds to see it...
is there another chance for to get the phone to the computer again ???

thank you very much for your help

imacG5
MacOsX 10.4.10
iPhone firmware 1.02

I had a problem where it wouldn't connect properly. I was able to use the restore function in iTunes then rehacked it with iBrckr.

the problem is that itunes doesn´t recognize the phone..nor iphoto or ifuntastatic...it is just as if it would not be plugged into the usb port... is there any chance to send something to the phone via the usb port, to make the port it recognize again ???

uninstall the drivers for your iphone and plug it back in.