How to fix USB not found in windows xp, vista,7 and 8

  how to Fix USB not found 

1. Install USB driver [if need].
2. Open Device Manager. Locate Devices by Type.
3. To open Device Manager, either run Devmgmt.msc at a command prompt, or follow these steps:
4. Click Start, right-click My Computer, and then click Manage.
5. Expand System Tools, click Device Manager, and then click Devices by type on the View menu.
6. Right-click USB 2.0 EHCI Host controller, and then click Update Driver.
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8. You can find the USB Host controller entry in either of the following locations:
9. Universal Serial Bus Controllers.
10. Other Devices
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12. Note In the Other Devices location, the USB Host controller entry is labeled Universal Serial Bus controller with a yellow exclamation mark.
13. Click Install the software automatically (Recommended), and then click Next.
14. Click Finish when installation is finished.
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16. Note You may receive a message to restart your computer to finish the installation.
17. You should install a update antivirus and scan all drive .[antivirus like avast / Symantec etc ] 
18. You should install new Operating system.
19. Your problem must be solve.100%
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22.                    [Thank for read this]