Help! Computer won't turn on

Willardino

Prominent
Mar 5, 2017
2
0
510
Not sure if this is where to post this but thought I'd try it out.
My friends built my computer for me in November and I haven't had a problem till now. Accidentally left it on before I went to work and started using it again when I got home. I was afk on the overwatch menus when al of the sudden my computer turned off, but the power button and mouse light were lit up. I unplugged it and let it cool down and checked all the power cables and flicked the switch on the back a couple times but now the computer doesn't turn on or light up at all when I press the power button; but the mouse light will come on. I'm not really good with computers please help! Thank you in advance
Parts:

Intel Boxed Core I5-6400 FC-LGA14C 2.70 Ghz 6 M Processor Cache 4 LGA 1151 BX80662I56400

Gigabyte GA-H110M-A LGA1151 Intel H110 Micro ATX DDR4 Motherboard

Western Digital 1 TB 3.5-Inch 7200 RPM SATA III 64 MB Cache Desktop Hard Drive WD10EZEX (Blue

Kingston HyperX FURY Black 8GB 2133MHz DDR4 Non-ECC CL14 DIMM Desktop Memory (HX421C14FB/8)

Corsair Carbide Series SPEC-01 Mid Tower Gaming Case CC-9011050-WW

EVGA 600 B1, 80+ BRONZE 600W

MSI GAMING RX 470 GDDR5 4GB CrossFire VR Ready FinFET DirectX 12 Graphics Card (Radeon RX 470 GAMING X 4G)