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I was trying to install Ubuntu 12.10 from a live CD and I wasn't able to get it to recognize either my keyboard (C.Y.B.O.R.G V5) or my mouse (R.A.T 7). I eventually gave up but later on I was able to use an old keyboard that uses a serial port instead of a USB (which works). I was then able to install the OS but my mouse still won't work. I am unable to navigate with just the keyboard so I really don't know what to do.

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serial port or PS/2? Also, would you happen to have your keyboard/mouse on a USB 3.0 port? that causes trouble –  Journeyman Geek Feb 12 '13 at 1:28
    
The keyboard is in a serial port and the mouse is connected to a USB 2.0. –  Xanin Feb 12 '13 at 1:31
    
I've never seen a serial port keyboard ever on a PC. Keyboards went from 8 pin mini din to pc/2 –  Journeyman Geek Feb 12 '13 at 1:43
    
Ok well the keyboard works just fine it's the mouse that won't work. –  Xanin Feb 12 '13 at 1:44
    
Try to go through this: wiki.ubuntu.com/DebuggingMouseDetection if that doesn't help post the information you've collected during the procedure –  LeoR Feb 12 '13 at 1:53

1 Answer 1

Boot into BIOS configuration page and search for

USB Legacy Support and enable it.

Then try again with the Usb keyboard and mouse.

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