What red light ? the HD working light? hit ctl+alt+delete and see how much free ram you have and what the cpu useage is , Somthing may be working in the background sucking up all your resources. If your seeing your hd light constantly working then somthing is going on you dont know about .
Athlon 64 2800+ clawhammer 512 kb
MSI k8t neo mobo
MSI 6600 gt
samsung 512 mb pc 3200
WD 80 gig ata100 7200 rpm
Onboard sound / realtek 5.1 based sound
7 year old cheap *** 17\" monitor but looks great , im surprised its still running , its bin through 5 computers so far.