|Is it a laptop or desktop system? Apart from the fact it is running Vista ( This is the XP Forum) you have not given any information about it.|
It sounds like you are having hardware issues rather than operating system problems so it may have been appropriate to post your question in the general hardware forum.
The whirring noise may be a failing harddrive, or just something obstructing a fan. The two beeps have meaning and that meaning depends on what bios version the system uses.
Goin' Fishin' (Some day)