1. Hardware check first, always first; check hardware manager in windows Os also.
2. firewall check
3. for printer, delete the existing port, also the printer folder in system32
Troubleshooting
June 4, 2013
My Work Diary
1. Hardware check first, always first; check hardware manager in windows Os also.
2. firewall check
3. for printer, delete the existing port, also the printer folder in system32