usb not recognised

[chetan55]

hi all,
i recently bought PRONET usb wireless adapter.got usb extension cable with that with which it works fine .but thats v. short.when i tried to connect another usb extension cable the balloon message appears as "not recognised".my motherboard has 6 rear usb ports out of which 2 are busy with another devices.tried 2-3 cables,removed other usb devices ,also ps2 to usb converter but none worked.is that a power issue of usb ?please help me getting good wireless signal strength by getting that cable recognised. my details as follows:

OS:win Vista 32
MB: DG33FB
PR:E4500 C2D @2.2 GHz
no FP usb,6 rear usb ports

[ravi_9793]

Unrecognized USB Device Problem

[chetan55]

i tried everything, not working
its important please help,
i am getting signals from far away are v. weak
plz help...