lenovo g570 on & off issue

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hardware4tech
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lenovo g570 on & off issue

Post by hardware4tech » Fri Feb 24, 2017 5:36 am

lenovo g570 PIWG2 LA-675AP
problem- On(with 150A) & shutdown
i flash main bios and repalce i/o
what can i do please?
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javed ahtar
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Re: lenovo g570 on & off issue

Post by javed ahtar » Sat Feb 25, 2017 1:01 pm

sir first do all bios ...and check cpu supply is ok or not dry change cpur core ic ......
first check all supply
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Re: lenovo g570 on & off issue

Post by hardware4tech » Sun Feb 26, 2017 5:19 am

i flashed main bios and kbc bios , all supply 19 , 5 , 3.3 good , i changed i/o , changed cpu core ic . but not work .
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Re: lenovo g570 on & off issue

Post by javed ahtar » Sun Feb 26, 2017 6:14 pm

reflow the pch with bga and alos check cpu sir
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Re: lenovo g570 on & off issue

Post by hardware4tech » Mon Feb 27, 2017 5:13 am

ok i will try , thanks alot
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Re: lenovo g570 on & off issue

Post by evil696 » Mon Aug 14, 2017 8:58 pm

What is current on S5 (soft off), and S0. What's happen when you press power button? If laptop turns on check current with and without RAM module, if current doesnt change propably PCH doesnt work. Check voltage on power SW. You need to know that ene KB9012 is also programable.
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Re: lenovo g570 on & off issue

Post by sunilmohapatra » Tue Aug 15, 2017 2:06 am

Reflow HM 65 KO Reflow mar do
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