when i use the PS2 Keyboard and usb mouse ?when i start my system?the mouse can be used?but the keyboard is not working??who can told me why ?
Thanx!

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iPC 10.5.6 to 10.5.7 | 8600GT| 4GB DDR2 800 RAM | MSI K9N Neo V2 | Logitech Keyboard | Microsoft IE4.0A USB/PS2 Mouse | Microlab M-222 | AOC 177V+