Question PC bootlooping after installing new gpu

Feb 18, 2019
I7 6700k

Asus Z170-A

Gtx 1070/Gtx 470

Gskill ripjaws V 16gb 2x8 3200mhz

Evga 750BQ bronze

2x Samsung 850 Evo 500Gb

2xWD blue 1Tb

My 1070 developed a nasty coil whine so I've rma'd it.

My system was running fine when I decided to play some Apex legends with friends thinking that the integrated graphics would be enough, as it was able to handle overwatch at minimum settings 1080p. I was able to get about 40fps at 720p but there was some artifacting which was just black squares that appeared and dissapered.

I then remembered that I had an old Gtx 470 that my friend had given me awhile ago after I built my PC but before I had purchased my current GPU; when I put the 470 in my system it caused it to boot loop. After removing the 470 I could get to the bios but upon exiting the bios I'd just be sent back.

I don't know what to do, I've googled my problem and nothing I've found has been of any help. I tried pulling the cmos battery but that didn't do anything either.

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