Won't post- Beeps

[NickR]

So I have a Gigabyte GA-EP43-DS3L, core 2 E7300 @ 3.6, Antec Neo Eco 400C, etc. It's been running great for coming up on 2 years. I've upgraded since I originally got it. The last thing to go in it was the Graphics card, about 5 months ago. It's been running great. Until today. Earlier, it froze. And then restarted. And did the gigabyte mobo thing of turning on for 3 seconds, then off. Then it would come on, and beep continuous, short beeps, which indicates power error. Wiggled the main connector, and CPU connector, and it came on... And then it did it again not 5 minutes later. I finally have managed to get it up and running, and stable. But I'm worried. What is wrong with my computer? It just did this out of the blue. Voltages are great, 12V is 12.32 at idle, high but well within spec. Everything else is within spec. Anyone have any ideas what might have happened?

 

[MagnusTheBrewer]

Bad cable?

 

[kiriakos]

Probably the PSU main connectors are in bad shape.

The cleaning with an special " electrical contacts spray cleaner - with out Oil ", at the PSU connector , it could possibly help in long term.

From your description , any reply that you will get its just an guessing ,
and this is my guessing too.