The main problem is that my mouse stops working sometimes. I chaged mouse and still the same (maybe the 2nd mouse less often not sure) so i go to device manager and see that usb + sm drivers are not installed => code 28 (my windows are in greek so maybe my translation is not perfect) windows: 7 ultimate 64bit mothereboard:asroch h61icafe i go to the site and cant find drivers for usb.only for usb 3 and it doesnt solve the problem so is it a driver i cant find.or is it an other problem ps: i am quite an amature with comps. Thnx for ur time hope u can help xD!! Computer type PC/Desktop System Manufacturer/Model Number Bluethunder II OS Windows 7 x64 Ultimate and numerous virtual machines CPU AMD FX-8350 Vishera 32nm Technology @ 4.2 GHz default Motherboard ASUSTeK COMPUTER INC. SABERTOOTH 990FX R2.0 (Socket 942) Memory G Skill 32.0GB Dual-Channel DDR3 @ 1204MHz (11-13-13-31) Graphics Card EVGA GeForce GTX 960 4GB Super SC ACX 2.0+ with Back Plate Sound Card Creative X-Fi Titanium HD Audiophile PCIe Monitor(s) Displays LG L227WTG x 3 Screen Resolution 1680 x 1050 16:10. Similar help and support threads Thread Forum We're starting a snowball fight. I'll go first.