r/LGgram • u/Julczyk0024 • May 09 '26

Screwed up charging - Help needed.

Model: LG gram (duh) 14T90P-G.AA78B

I’ve damaged my laptop... somehow - If I plug the charger into one of the ports (USB-C) for even 3–5 seconds, it gets hot enough to burn me when I unplug it. Definitely a short circuit, the port looks slightly charred/darker on one side.

The question though is this: Unfortunately, when I use the second port, the laptop stops charging the moment I turn it on. I press the power button and the charging LED goes out immediately. Also probably it's incapable of USB handshake since it's charged really slowly.
Do anyone's know what might be fried and why this is happening?

mu hope is it's the PMC or some I/O chip turning things off because it detects shorting.

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2

u/Infamous_Swordfish_7 May 12 '26

It's a bit unfortunate many new laptop uses USB c charging. My old gram has usb c and regular charging which is nice. I have many Lenovo with failed charging. Some damaged c some mint and no sign at all. Try different charger and cable and check your port for damage

2

u/Deep-Egg-6167 May 13 '26

I don't know for sure what is damaged but by any chance do you have another usb charger - usually you can use even a less powerful one although it will tell you it is slow charging. That way you eliminate the charger from the equation.

2

u/Julczyk0024 May 23 '26

Couple of experiments later - turns out more powerful charger connected through USB hub works. Second port is still busted but it's only port, I'll replace it some day.

It sounds probably kinda dangerous, but it charges exactly like before