Asus X541U not turning on when the battery is on it, works wit AC.

So, I do laptop repairs on my free time, and this week Ii got an Asus X541U which was reported to have shutdown after windows updates and wouldn't turn on.

After cleanup I tried booting it without the battery and it worked.

Then I reassembled it with the battery and it did turn on, but after shutting it down it wouldn't turn on again.

Once again I removed the battery and the machine worked fine.

So I thought the battery was the culprit, so I ordered a replacement and put it in the machine.

This time it booted to the Asus logo, turned off and then booted back on and went in to windows, i let it charge, restarted it with no issue, but once I turned it off now it won't turn on again.

So when the battery is "cold" it works but once it's "hot" it won't... I would power reset it but the battery is internal and I have to remove most of the screws of the mobo to get it out...

has anyone else experienced such a behaviour from a laptop of this model or a different one?

Answer this question I have this problem too

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Never mind, I think I found the source of the problem, it seems to be liquid damage

https://i.imgur.com/5pMsahJ.jpg

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Where did you get the battery from?

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I bought it locally it's a generic part, but both the original battery and the generic produce the same outcome

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ok then good

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I`ve seen a similar error on x54 series of Asus a couple of times, but when you connect the laptop with the battery and the power cord the laptop won´t power up but it shows that the battery is charging. So this is what I´ve done:

-Upgrading the Bios Firmware

-Downloading all the drivers from the Asus support center.

It work twice in my case, but I can´t tell you that it will work with your laptop. Wish you luck!!

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Thanks for your input Luis, but unfortunately the issue was caused by liquid damage as can be seen here https://i.imgur.com/5pMsahJ.jpg

The machine works without battery, when you plug in the AC adapter it boots automatically.

The power button is a key on the keyboard and apparently this lil' component is the one that gets the signal and makes the machine turn on, so util I replace it there will be no way to have the machine boot with a battery on.

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Hi

Maybe there is som wet on motherboard so you need to clean it with alcohol and wait to dry and collect parts it will work but bee sure its clean.

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Yup, tried that (https://i.imgur.com/p1rRooY.png), there seems to be some damage to the trace, and I don't have a heat station with fine enough points and microscope to work on something so small (https://i.imgur.com/SryiFrv.jpg)...

So there's that, I mean the machine works with no battery, I can at least give it back to the user meanwhile a find someone who can help me to do that here in Monterrey Mexico.

I've been following Louis Rossmann for a while and I've been reading about electronics repair so I think I should be able to attempt the repair if I had the hardware.

However, I'd also like to make some practice with older hardware to see how hard it really is before working on a client's machine.

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that is good now ,good luck.

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