Is there button of keyboard, mouse not probably work,if it was ,that is the problem of mouse or keyboard or CPU ,If it not you want to try by going into control panel and will found that some your file is missing,then try to install.
monitor window xp screen horizontally small, left and right side black.. buttons fixed on monitor...
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monitor window xp screen horizontally small, left and right side black.. buttons fixed on monitor not solving the prblm ..althoug horizontally on 100.. m in problem plz help