Same thing, the battery type AC14B8K was stuck at 80% on an Acer model (Acer A515-41G) it has a switch for the bottom case to press it, so the battery will be working just fine after full reassembled laptop. The switch is near the RAM memory and is marked as DIP SWG1. The switch will be pressed by the RAM door access cover.
With other brands I didn’t encountered this thing but this Acer stayed for like 2 days on the bench only for me to figure out what is wrong with the battery 🤦🏻♂️ and when I wanted to give it back to the client with the status of dead battery, even if I knew that is was working fine when she brought it to us…. I put it back together and made a final power on test and it worked correctly. I was completely amazed and intrigued and pissed off and happy and felt like a dumb tehnician, all in 1 moment 😁😁😁
A bit of useful info for anyone who has this same problem. My issues were identical but i had the laptop off for several months. I charged it for about an hour with it on. Laptop said "255%" full. So something was going wrong. I ran the latest chipset installation directly from acer download page. Then restarted. Removed power cable and tried again, nothing. Repeated twice more (without changing anything else other than letting it charge between attempts) and it eventually worked. So in conclusion, it is worth checking your chipset driver and leaving the laptop of charge for about an hour before opening anything up. EDIT: My laptop now reads normal battery charge levels, now at 20% and charging and works off mains power.
Thanks, it is indeed true that after deep discharge of the battery (e.g. off for months) it might be difficult to bring it back to normal operations and will likely require some resuscitation steps (and even that might not work). So try these steps first!
When you unplug the battery and check the voltage it is dead so what does kill switch have to do with that, another question what is that ribbon wire that goes from one end of the hard drive to the other, it has a right angle at the end.
The battery is NOT dead, I am talking about it around 22:51+. That's why measuring smart batteries at the connector is not reliable - in this case, unless BMS sees grounded trip wire (orange), it does not send any power out, even though the cells are fully charged. . The ribbon cable connects a daughterboard with the power button (and a couple of ports) to the main board.
I haven't seen this specific model, but from what I've seen from Acer laptops with similar model numbers the internals are usually quite similar. So it is quite likely that there is disconnect switch on that model as well.
Generally, no. I am sure there are some exceptions out there, but for the most parts cell phones and laptops require somewhat working battery to work, even when all you want to do if use AC power. Battery doesn't need to hold any charge, but is needed to complete the power circuit.
Thank you very much for this troubleshooting! One of my computers refuses to start if a battery is not detected, and it was saved thanks to this tip.
You're welcome!
After all the videos I've looked at. This was it all along. Thanks!
Glad I could help. I definitely did not expect that something like that could be a problem...
Same thing, the battery type AC14B8K was stuck at 80% on an Acer model (Acer A515-41G) it has a switch for the bottom case to press it, so the battery will be working just fine after full reassembled laptop. The switch is near the RAM memory and is marked as DIP SWG1. The switch will be pressed by the RAM door access cover.
A whole bunch of Acer laptops is likely to have this feature. I am curious, if any other manufacturers do something like this.
With other brands I didn’t encountered this thing but this Acer stayed for like 2 days on the bench only for me to figure out what is wrong with the battery 🤦🏻♂️ and when I wanted to give it back to the client with the status of dead battery, even if I knew that is was working fine when she brought it to us…. I put it back together and made a final power on test and it worked correctly. I was completely amazed and intrigued and pissed off and happy and felt like a dumb tehnician, all in 1 moment 😁😁😁
Interesting. I have never seen the microswitch disconnect before. Great video. Thanks
Thanks! I knew I wouldn't be the only one surprised by what I found ;)
A bit of useful info for anyone who has this same problem. My issues were identical but i had the laptop off for several months. I charged it for about an hour with it on. Laptop said "255%" full. So something was going wrong. I ran the latest chipset installation directly from acer download page. Then restarted. Removed power cable and tried again, nothing. Repeated twice more (without changing anything else other than letting it charge between attempts) and it eventually worked. So in conclusion, it is worth checking your chipset driver and leaving the laptop of charge for about an hour before opening anything up. EDIT: My laptop now reads normal battery charge levels, now at 20% and charging and works off mains power.
Thanks, it is indeed true that after deep discharge of the battery (e.g. off for months) it might be difficult to bring it back to normal operations and will likely require some resuscitation steps (and even that might not work). So try these steps first!
Thanks for your efforts here. Appreciated.
Glad it was useful!
Big Thanks to you....❤
Most welcome 😊
When you unplug the battery and check the voltage it is dead so what does kill switch have to do with that, another question what is that ribbon wire that goes from one end of the hard drive to the other, it has a right angle at the end.
The battery is NOT dead, I am talking about it around 22:51+. That's why measuring smart batteries at the connector is not reliable - in this case, unless BMS sees grounded trip wire (orange), it does not send any power out, even though the cells are fully charged.
.
The ribbon cable connects a daughterboard with the power button (and a couple of ports) to the main board.
Thank you so much! It really helped!!❤❤❤❤
You're welcome!
Please help. Is there a swtich for the acer an 517 54 ? the battery is ap18e8m
I haven't seen this specific model, but from what I've seen from Acer laptops with similar model numbers the internals are usually quite similar. So it is quite likely that there is disconnect switch on that model as well.
Can this laptop work if i remove its battery as it keeps getting switching off after some time
Generally, no. I am sure there are some exceptions out there, but for the most parts cell phones and laptops require somewhat working battery to work, even when all you want to do if use AC power. Battery doesn't need to hold any charge, but is needed to complete the power circuit.
Won't the laptop be affected when plugged in with the battery switch. Just curious thnks
Not sure what you mean here? Open battery door switch just breaks power circuit, so no power flows to the laptop and it appears to be completely dead.
How did you find the schematic for a pcb?
It was a while ago, but most likely on some internet forum. Can't recall for sure.
Well done bro
Thanks!
Yoooo crazy🎉
:)
Kml
:)