I have a DG965RY board and the bios just hangs at the bios screen. I reloaded an updated bios and it still hans in the same place
A 12-year old board might be failing...
https://ark.intel.com/products/22637/Intel-Desktop-Board-DG965RY Intel® Desktop Board DG965RY Product Specifications
Just a suggestion - unplug all disk and CD/DVD except the boot drive and try booting.
For more complete information about compiler optimizations, see our Optimization Notice.