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Old 05-24-2017, 12:14 AM   #1
Driver3
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Join Date: May 2017
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Default Problem with GA-H57M-USB3

Hi,
I am newbie here, but i hae problem with Gigabyte (soc.1156) GA-H57M-USB3, this MOBO dont working (changing 3 other PSU) and nothing, no starting, no cooler push, nothing. When i short PSON+COM (on 24pin ATX power) all coolers working, but only black screen and no bleeping sound... (RAM and CPU and CPU socket pins are OK). I do not see any problem anywhere, MOSFETs are nowhere short-circuited, Capacitors are also visually ok (no blow).

ATX 24pin is not in short with GND:
+3,3V - 0,6 kOhm
+5V - 20,8 kOhm
+5V SB - 1,6 kOhm
+12V DC - 1,0 kOhm
PSON - 9,6 kOhm

Please help me somebody?
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Old 05-24-2017, 04:03 PM   #2
cpt.charlie
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Default Re: Problem with GA-H57M-USB3

Maybe a bad bios, a missing siignal, a bad solder joint........ too many posible causes, search for the schematic first.
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