Question No display, tried everything that I've seen... nothing happens.

techlevi

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Sep 11, 2019
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So my sister and I are building a computer with parts we have at home.

(Before anything; we are 99% sure the parts do work if anything some just haven't been running for a while but the last we checked they were working fine!=

(Sorry if I get any of the tech-lingo wrong). Everything is connected the right way but there are no beeps. With the first set of components we tried and we tried again for hours. Nothing happened. We came to the conclusion that maybe the motherboard was ruined. So we found a new one and put in different components (only the same case) nothing.
We also tried shorting the power switch. Changing graphics cards. Reset CMOS battery. Change RAM. Change monitors. Change cables. Change power supplies. Different CPUs. Nothing happens. We are quite lost at what we should do since we've tried all of the things we've seen online and nothing happens.

Any tips or "brainstorming" are welcome!