I installed an Optical Mouse and later  formatted the hard drive, installed
Windows and of course the mouse no longer worked during the installation
process.  I hot swapped the MS mouse.
Nothing worked properly
Preparatory to formatting I had copied to C drive to the D partition. I re
formatted and copied the os on the D drive and it would work
One guru said that I had not ruined my mo board...only the mouse
portion...to disable it and enable the PS 2  mouse.  I found no way to
disable it but the Bios had an enabling feature...already enabled.

Please shed some light on my predicament

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