Question Is a cmos jumper needed?

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It looks like you have an RGB LED stip attached or something? If so I don't think that really means anything, I doubt it's designed to function as a debug LED.

Fans and stuff are powering on too right?

Is your monitor connected to your graphics card or motherboard?
 
Apr 11, 2019
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Hey, sry for the late reply. I did as you suggested and still couldn’t boot the computer, though...could it be that my PSU isn’t compatible with my motherboard?

PSU: EVGA 500W

Motherboard: ASUS TUF B450M plus gaming
 

mortemas

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Feb 11, 2015
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Time to take it all out of the chassis and test a bare bones system with a minimal amount of components: mobo, cpu w/cooler, ram, kbd, mouse, system drive (leave gpu out if integrated graphics is available). If it works, add more components one by one to see if/when it fails. Also, test the voltage of the cmos battery if you can - it should be around 3 volts. I have heard of mobos that won't boot up if the battery is bad.
 
PSU is compatible. Try the 1st RAM stick by itself in each of the slots, and then try the 2nd RAM stick in each of the slots. If that doesn't work then it's probably not the RAM, so you either have a motherboard or CPU issue. The fact that your fans don't start spinning sort of makes me lean towards motherboard issue. Would probably need to RMA it.

Can also go through these steps and see if there are some you haven't tried: https://forums.tomshardware.com/threads/perform-these-steps-before-posting-about-post-boot-no-video-problems.1285536/

If you google around for "no post" or "no display" troubleshooting there are other guides that may have other steps too.
 

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