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Author Topic: Hp Prodesk G1 Mt motherboard MS 7860  (Read 691 times)

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Offline picafraTopic starter

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Hp Prodesk G1 Mt motherboard MS 7860
« on: November 16, 2020, 10:47:49 am »
I have HP Prodesk G1 MT  PC desktop. The PC does not power on. The green led on motherboar is on and I noticed that LDO regulator GS7133 overheats, I replaced it, but the pc does not start.
Please help me
Thank You
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Offline m k

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Re: Hp Prodesk G1 Mt motherboard MS 7860
« Reply #1 on: November 18, 2020, 12:40:11 pm »
Try powering it on straight from ATX connector.
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Offline picafraTopic starter

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Re: Hp Prodesk G1 Mt motherboard MS 7860
« Reply #2 on: November 18, 2020, 11:46:39 pm »
I have already done this test. The processor fan is spinning, but the pc does not start.
Thanks for the suggest.
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Offline Rasz

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Re: Hp Prodesk G1 Mt motherboard MS 7860
« Reply #3 on: November 19, 2020, 12:35:49 am »
Quote from: picafra on November 16, 2020, 10:47:49 am
LDO regulator GS7133 overheats

thats the symptom of a short on +VCC1_5, bad news is this voltage is used exclusively by H81 Chipset chipset, the only other elements on that line are ~3 capacitors, 1000uF, 1uF and 0.1uF.
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