[QUOTE=pelvis_3]
Make sure you have the CPU HSF mounted securely and have the fan plugged in.
Also make sure your Video Card is secure in it’s slot
[/QUOTE]
What do you mean by “boots for 10 - 25 seconds”?
Do you get any display on the screen? Do you get any other activities in these 25 seconds? After 25 seconds what happens? Any fans spinning while and/or after?