This user from the Portuguese community, has the model a315-41 without the dedicated video card: https://community.acer.com/pt/discussion/comment/845278#Comment_845278He updated the bios to version 1.17 and does not have the same problem. The difference is that the model a315-41g has a dedicated amd video card, so what happens when you disable the dedicated video card in the windows device manager? Does the same problem occur?
That's why I suggested that you try to disconnect the lition battery and the rtc battery from the CMOS for some time, to see if it solves the problem.
They haven't answered yet. I was talking to colleague @ kno63, who has the a315-41 model and he also updated the bios to version 1.17 and had no problems. I think there is something specific about the a315-41g models. It may not solve the problem, but try updating windows again and also uninstall these two drivers and restart windows:
downgrade bios to 1.15 and it will be fixed
this is the solution1. download BIOS 1.15 when you run it you will get the box "The version of ROM is not newer than of BIOS" DO NOT CLOSE it until a few steps later2. go to the C: \ Users \ (your username) \ AppData \ Local \ Temp link you will find the folder "7zS6F91.tmp" (or with a similar name)3. paste the folder on a flash drive, when it sticks you can close the box that mentions you at the beginning "The version of ROM is not newer than of BIOS"4. inside the folder you will find a file "platform" open it and find the following text:[Bios_Version_Check]Flag = 2you must change Flag = 2 for Flag = 0 (save changes.)5. move the folder from your flash drive to your desktop.6. Run "H2OFFT-Wx64" which is inside the folder and the BIOS should install normally.If it worked, I would like you to tell me how long it takes for the notebook to load from 10% to 100% and how long it takes to download from 100% to 10%.this is for a test i am doing and see if the equipment works properly.
Problem solved, with that procedure I was able to dowgrade the BIOS from version 1.17 to 1.15, solving the problem that the laptop did not start only with the battery.
Thank you very much for sharing your knowledge.
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