Call it in and follow their directions.
I am having a problem my pc is working but when I power on my monitor there is no signal even there is no lights on my keyboard(backlit lighting), I haven't connect any gpu(I'll buy it later), so there is nothing about gpu. I tried ram slot change, lithum battery. after that I tried to turn on my pc but not worked. what to do? everything is well connected btw my motherboard is asus b150 pro gaming aura, one slot ram, this happened to me after I cleaned my pc, my pc is not very old, it's just 4month

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