Solve : USB ports wont work?

1.	Solve : USB ports wont work?
Answer» I swapped all my stuff from my old pc case to my new one. I turned it on and PLUGGED in my keyboard, mouse, etc, but they weren't being recognized.The usb ports will CHARGE my phone but wont recognize my peripherals. In device Manager expand all USB ROOTS and hubs...rite clik all and select Delete/uninstall... You will get a warning message...ignore it and reboot... They will be re-installed automatically...I would do that but I cant get there because my keyboard and mouse dont workIn that case unplug ALL USB DEVICES and do 3 cold boots... Then connect only keyboard and mouse...cold BOOT? Please do explainFull power down...wait 1 minute...powerup.UPDATE! I got it working. For some reason taking out one stick of RAM worked. Thanks for the help!

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