The computer starts at about 25 attempts, what should I do with it?

Question

Iron

The problem is the following: the computer does not want to start, a black screen, but the fans are noisy. And sometimes it can boot the system. The hard drive has been serviced and is ok. BP is new. Processor too. Motherboard gigabyte z97-d3. With the old processor the same picture. It is not clear where to dig. I gave it to a friend to check - he said that the processor, because it started up with his processor, and attempts with my old one failed. I bought a new supported processor - it first started, then the same picture as it was. Where to dig?

Answer 1

that's what, but you need to carry the motherboard to the service, and not the screw, the screw can be determined by yourself whether it is working or not. For a long time I have been watching videos on repairing motherboards, and I am surprised that the problem with starting the motherboard can depend on the breakdown of absolutely any detail (not necessarily the whole mikruha)
Therefore, bring the motherboard to a good service

Answer 2

Find such a thing and it will give you the error number due to which your system does not start.
p.s. I forgot what it's called

Answer 3

At the same time, look at the capacitors on the motherboard and in the PSU. Could puff up.

Answer 4

It's impossible to say for sure without a diagnosis.
Check all the components one by one - memory, system board, PSU.
What are the POST codes for problem startup?

Answer 5

What's with the visionary?
Memory needs to be tested.