I'm having some difficulty with an Optiplex 745. When powering on it does nothing (black screen, doesn't post) but give off a solid amber light. I contacted dell support and they sent a new motherboard/power supply. After installing the new items, it still doesn't do anything but give off a solid amber light. I've tested the memory, the power supplies, hard drive and cd drive and they're all in working order so I'm confused as to why this is happening.
Any help would be appreciated.
Wow, that's a weird one. When I saw the subject, I was going to say power supply and maybe mother board. Looks like you have both of those eliminated. I would only connect the two power inputs to the mother board so you eliminate those two as issues. You could also pull a known good power supply from a working system and put that in, just in case Dell sent you another bad power supply. The other possibility is that there is something wrong with you power button. It looks like most of the power buttons are hooked up to a small circuit card. This could be the culprit.
I would go after the power supply still as this is the typical culprit. Make sure you put a KNOWN GOOD in the PC.
Good luck and tell us how it goes!