Screen is plugged in (power and video cord). The yellow light comes on 5 seconds and goes out
Are you referring to the yellow light on the monitor? A yellow light indicates that the monitor has power. It should stay yellow till you get a video signal from the computer and then turn green.
The monitor light will go green at the start of POST (p
What is Power On Self Test
You said in your 1st post that it seemed to be stuck in safe mode?
Are you, or can you get in to safe mode? Tap F8 while booting up.
The basic steps taken are:
1. The power supply receives a "good signal"
2. Power is applied to the board and then the CMOS/BIOS starts the POST
3. CMOS looks for the boot order (of the drives)
4. Loading of the OS continues.
Trouble shooting the startup process
I suspect you are not getting to POST.
Can you get into the BIOS? usually esc, del, F2. If you can, try looking for "load default settings"
I am leaning towards a PSU or a main board.
Ok Rshaffer....I take to long to research for any possibility.