[SOLVED] Please help, PC not displaying

[sti16]

I have just made a new PC and it is not displaying anything on the monitor. I have already tested the monitor and it works fine. The CPU fan and case fan spin, the motherboard's led lights up (same with gpu). Any ideas?

 

[sti16]

I have narrowed down the problem to the CPU, but I don't know what to do from here.

 

[DSzymborski]

Let's get a complete list of specs. It's hard to have any ideas about a PC I know nothing about!

Generally speaking, the CPU being broken would be easily the least likely culprit and it would be a conclusion that one could only reach after a lot of troubleshooting elsewhere. But again, it's hard to say much when working blind.

 

[sti16]

CPU: Intel Core i5-9400F 2.9 GHz 6-Core Processor
Motherboard: MSI B365M PRO-VDH Micro ATX LGA1151 Motherboard
Memory: G.Skill Aegis 16 GB (1 x 16 GB) DDR4-2666 Memory
Storage: Corsair MP510 240 GB M.2-2280 NVME Solid State Drive
Storage: Toshiba P300 1 TB 3.5" 7200RPM Internal Hard Drive
Video Card: Asus Dual Radeon RX 580 8 GB Expedition Video Card
Case: Cougar MG110 MicroATX Mini Tower Case
Power Supply: Thermaltake Smart Bx1 550 W 80+ Bronze Certified ATX Power Supply

It is definitely CPU as the motherboard's CPU diagnostic light has lit up.

 

[DSzymborski]

That doesn't mean that the CPU is broken only that there's something that's preventing the CPU from properly functioning, which can be a number of issues.

Have you done all the steps in the NO POST sticky?

 

[sti16]

I read the sticky and got the PC working, thanks for your help anyway.

 

[DSzymborski]

Glad to hear it! What turned out to be the issue?

 

[sti16]

I turned out to be the CPU power. It was my first build and my friends didn't even notice. Rookie mistake.

 

[DSzymborski]

Better an embarrassing, free mistake than a difficult, expensive one!