USB Driver Reset:\n\nStart with the following steps to resolve the USB issues:\n\n\nShow Hidden Devices:\n\n\nClick Start Menu\nClick All Programs\nClick Accessories\nRight click Command Prompt\nClick Run as administrator\nIf you are prompted for an administrator password or for a confirmation, type the password, or click Allow.\nType into command prompt set devmgr_show_nonpresent_devices=1\nHit enter.\nType devmgmt.msc\nClick View (at the top)\nCheck Show hidden devices\nExpand the Universal Serial Bus controllers section.\nUninstall any faded devices under Universal Serial Bus controllers.\n\n\n\n\nFully Uninstall Faded Device Drivers:\n\n\nClick Start Menu\nRight Click My Computer\/Computer\nClick Manage\nClick Device Manager from the list on the left\nFind the device you are trying to uninstall by expanding the appropriate set of devices\nRight click the device\nClick Uninstall (do not click OK in the dialog box that pops up after hitting Uninstall)\nPut a tick in Delete driver software for this device (if this option is available, otherwise just hit OK) and hit OK\nRestart your computer.\n\nAlternatively:\n\n\nLogin as an adminstrative user.\nClick Start Menu\nClick Control Panel\nClick Hardware and Sound\nClick Device Manager (the last link under Devices and Printers)\nFind the device you are trying to uninstall by expanding the appropriate set of devices\nRight click the device\nClick Uninstall (do not click OK in the dialog box that pops up after hitting Uninstall)\nPut a tick in Delete driver software for this device (if this option is available, otherwise just hit OK) and hit OK\nRestart your computer.\n\n\n\n\nDelete the INFCACHE.1 File: \n\n\nRemove all USB devices possible.\nOpen the Start Menu\nOpen Computer\nType INFCACHE.1 into Search Computer\n\n\n\n\nRight click INFCACHE.1 located in C:\\Windows\\System32\\DriverStore\n\nIn Windows XP and Vista, INFCACHE.1 is located in C:\\Windows\\inf\nClick Properties\nClick Security to open the Security tab\nClick Edit...\nIf you are prompted for an administrator password or for a confirmation, type the password, or click Allow.\nClick Add...\nType in Administrators within the box for Enter the object names to select\nClick OK\nGive Administrators Full control\nClick OK\nClick Yes when asked if you want to make changes to the system file\n\n\n\n\nClick OK\nDelete INFCACHE.1\nPlug in a USB device that is known to be reliable and not cause conflicts on the system\nThe USB device that you plug in will reinitialize the INFCACHE.1 file\nRestart your computer\n\n\n\n\nUSB Ports Power State Reset:\n\nAlso, USB ports can sometimes enter a safe power state to protect the system from power surges due to USB devices. To reset the USB ports to a nominal power state:\n\n\nShut down and turn off the computer.\n\n\nUnplug the computer from the wall or surge protector (then remove the battery if it is a laptop).\n\n\n"Remove the computer from any port replicator or docking station, disconnect cables to printers or devices such as external monitors, USB memory sticks or SD cards, headset or external speakers, mouse or auxiliary keyboard, turn off WIFI and Bluetooth wireless devices." (Use Hard Reset to Resolve Hardware and Software Issues HP Pavilion dv5000 Notebook PC series - HP Customer Care (United States - English)).\n\n\nHold down the power button for 30 seconds. This closes the circuit and ensures all power from components is drained to clear the software connections between the BIOS and hardware and clear any corruption in the temporary memory.\n\n\n(If it is a laptop, plug the battery back into the laptop and then) Plug the computer back into the wall. Do not reconnect any unnecessary peripherals; monitor, keyboard, and mouse should suffice and be the only peripherals reconnected.\n\n\nTurn it on to reinitialize the software connections between the BIOS and hardware.