Asus A8V-MX motherboard working all OK previously. Boots normally (from CD or USB) with IDE HDD disconnected. With IDE HDD connected POST hangs after correctly detecting DVD and HDD. Keyboard remains functional, ctrl-alt-del reboots. Replacement IDE HDD same problem. Re-flash BIOS same problem. Change IDE cables same problem.
More aboutasus post hangs connected
Do you have the operating system on the HD? Mac
+1^ If so, it may be trying to load the O/S on a system it wasn't installed on and crashing.