hey there (sory for my bad english)
my freind have a computer need to be formated
becuse his windows has crashed there is a system file
has been deleted so i tryed to format the pc but ??
i enterd the cd then i pressed the del button so i can
enter the bios screen but no such one button is worked
the num,caps,scroll, locks no one is on i tryed to light them
but they didnt work ,, so itryed an ibm keyboard but the
all the lights keep lighting and disconnect i tryd the mouse
(lasr mouse with ps port) but the laser light dosent work and
the weel light dosent worked too ,,, finaly itrayd a usb keyboard
but the usb doesnt work until windows start but i need to start
bios and usb doesnt work and the ps2 so how i will boot from xp cd
please heeeeeeeeeeelp ?
(sory for my bad english <<and for this story haaha)

Basically in bios setting mouse are not work.
you only use with keyboard.
without keyboard you unable to reinstall the XP. you check the mobo is it any damage occur in ps/2 connector.

does sound like damaged pins on ps2