printer removal

I've upgraded my cable modem,now laptop will not see printer,want to remove and reinstall,tried "printui"but will not allow, Windows 8 systemTech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 8, 64 bit
Processor: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz, Intel64 Family 6 Model 58 Stepping 9
Processor Count: 4
RAM: 12179 Mb
Graphics Card: Intel(R) HD Graphics 4000, -1984 Mb
Hard Drives: C: Total - 451349 MB, Free - 355220 MB;
Motherboard: SAMSUNG ELECTRONICS CO., LTD., NP350V5C-S06AU
Antivirus: AVG Internet Security 2013, Updated and Enabled