10 beeps sounds maybe you need to replace your BIOS battery.They easy to fit open up your computer take out latge bios battery and take to computer shop as Bios batteries come in diffrent thicknesses and you need the right size.Buy new battery and put back into computer you may have to reset your bios after replacing battery.A sign of bios battery running low is your time and date may not be set correctly each time you boot to your OS.
you may have a pci card loose or
RAM is dodgey you will need to check these if you have more than one stick of
ram take one out reboot and check to see if beeps stop then do the same for any other
RAM installed.Beeps are usaly a sign of hardware but not always.