Question : Device Manager is Blank

My speakers stop working and I believe a sound card driver was uninstalled.  I went to the Device manager to see what the sound card is and there is nothing listed at all, for anything.  System is windows XP Pro.
I am logged in as administrator.

Answer : Device Manager is Blank

goto start>run>regedit and open this folder

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PlugPlay

look in the right pane for the ImagePath key and make sure that its value is set to
%SystemRoot%\system32\services.exe