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Old 06-26-2021, 08:50 AM   #1
waldoalvarez00
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Join Date: Dec 2015
City & State: Santiago
My Country: Dominican Republic
Line Voltage: 110v
I'm a: Knowledge Seeker
Posts: 56
Default Missing 12v in asrock z77 extreme 4

Hi Folks:

I have this board and attached a GPU that created a short in 12v pciex port lines (the slot). Something smoked with white smoke but nothing looks burned. Around the VRM was some smell. No idea if from GPU or motherboard. Nothing looks burned from GPU or motherboard. I do however have many points where there should be 12v and there is 374 ohm to 12v atx line. I post image with blue circles where there are 0 ohms. I was thinking to bridge with wire as pictured by green line since I find no other component that could be damaged and assume maybe a cooper line got damaged. Any ideas??

This is the link for board view file https://easyupload.io/kz024c

Everything disconnected from +12v is connected between them. I tested with continuity. But reads 374 ohm to +12v atx input port.
Attached Images
File Type: png only 12v.png (500.7 KB, 14 views)

Last edited by waldoalvarez00; 06-26-2021 at 08:54 AM..
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