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Hi Dear Experts i Have a big problem and i wannt to solf it soon imediatly, Please i hope you can help me out! I have a dell vostro 200, what i did is i took out the hardisk and plug it by usb to another computer to move all filles to the the computer, and put the harddisk back into the dell vostro 200 minitower, to install windows back as new intallation, but now is a big problem because i cannot enter the bios, i take out the cmos battery already out but noting, when i reboot the keyboard lights don´t flash or lit. THE KEY BOARD EVEN MOUSE DON¨T RESPOND, ,THE COMPUTER START AND STOP BY FIRST SCREEN LOGO DELL AND SHOWS F2 SETUP F12 Boot Menu It don´t move from that screen, USB pORTS DON¨T FUNCTION, please What i have to do to enable that , so i can install the windows, the tower only have USB PORTS!!! Thanks!