tiggwhen I try to turn my computer on the power button flashes orange and it beeps 4 times
tigg
Four Beeps indicate memory issue, first try opening the case, then remove and reinstall all the memory modules and see if this makes a difference.
The XPS 8300 Service Manual and Setup Guide and troubleshooter, are here:
http://www.dell.com/support/Manuals/us/en/19/Product/xps-8300
Bev.