Re: x409ja rev 2.0 Schematics - i need help

Need Schematics / Boardview

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Re: lenovo 330s-15ikb

Could you provide more information on how you've tested that the mosfet is short.

Also what type of mosfet are we talking about as your post suggests there is little information available online however with a little extra info like what the mosfet is doing and what channel type it is you can likely make a substitution for something else that'll do the job.

Hi all

I have a HP Pavilion 15-ab291sa.
I'm hoping someone out there has come across this issue before.

The laptop turns on when the AC adapter is plugged in and the fan immediately starts on full blast.
A message appears on post that a system fan has malfunctioned and the computer will turn off in 15 seconds to avoid damage, hit enter to continue setup.

So with the fan clearly on I had no qualms hitting enter and seeing what happened. nothing the keyboard is not working.

plugged in an external keyboard and the laptop...

Re: New Members - please post your introductions here

Hi All I'm Oliver from Scotland I have a small repair shop mostly take in low level repairs at the moment but I've spent the last year learning board level repair and am finally getting the hang of it.
Recently came across the forum while looking for a schematic, love the info and will be looking to give back to the forum if i can in the future.