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Hi, everyone.

I have this notebook that won't charge.
In Windows, the charger icon doesn't appear on the battery, but the charger turns on the notebook normally.

PU301:

Pin 5 (ACOK) - 5.97v
Pin 6 (ACDET) - 1.83v (should have 2.6)
Pin 16 (REGN) - 6v

PQ308 has no gate voltage, so it doesn't drive PQ309 low

With the battery connected, its voltage goes the reverse way to the jack, having 14v and not 20v:

PQ301 e PQ302

Pinos 1,2,3 14v

Pino 4 5v

Pinos 5,6,7,8 com 14v...

Does anyone have the manual/datasheet for how to control fan speed for this io chip found in lenovo ideapad notebooks :

ITE IT8586E http://www.ite.com.tw

thank you for any clues

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One of the elements on the motherboard is damaged due to external influences. I need a boardview in order to fix it. gigabyte aorus 7 9kf laptop. Possible name of the motherboard: gigabyte ga-x7e but I'm not sure about that.

Hello Everyone,

Make : Lenovo
Model: Slim 7 16IAH7
S/N: YX04XNTW
Mfg: 2022/09/13

System will not boot. I have tried the normal troubleshooting (external display, unplugged batter for 24hrs, holding the Novo button, tried to boot from usb using every typed of bootable media) i cannot get a display but keyboard backlight lights up but it's not responsive, fans spin and power button flashes but stops. After researching my symptoms, I am leaning towards a bad bios.

I have identified what looks to be 2 bios chips on my motherboard, both winbond...

Hi everyone,

I'm dealing with an intermittent problem and can't find a solution. Sometimes my notebook starts up and everything works fine. However, after I turn it off and try to turn it on again, the motherboard starts, but the screen stays black. It seems like the notebook freezes and a green LED with a light bulb icon stays on.

If anyone has the service manual or any suggestions on how to fix this issue, I would greatly appreciate it.

Thanks in advance!
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