Could be slight overheating Sometimes in the BIOS there are alarms for fans, temp, or other things, like SKYPE, IM, Scrensaver or something else. I have even seen problems with cell phones chirping if you put them close to a computer. Yah could just be a little fan rubbing.
Obama care gives more power to the IRS. When you house is repossessed
when you have no health care and you have to pay the tax
Remember that this is what you voted for!