guys when i plug any pen to my usb it say Unregonise USB drive
and also pen will be broken(fter i plug n to my USB it not wor also with other!!
is ths a proble m with power supply o something els>?
can any one tell me what to do?
and also pen will be broken(fter i plug n to my USB it not wor also with other!!
is ths a proble m with power supply o something els>?
can any one tell me what to do?

