I have a restart issue with my Acer AN515-46 laptop. Tried various solutions, still didn't work.

theto**"I have a very complex problem.
I have a laptop of model Acer nitro AN515-46
Ryzen 5 6600H - 24GB RAM - 512GB M.2 - RTX 3050
Everything was working smoothly.
But suddenly, when I disconnected the laptop from the power, I was surprised that it started restarting automatically, and even when plugged in, it restarts, not every time but frequently.
When it's on battery power only, it restarts every 10 minutes, 5 minutes, or sometimes every 30 minutes — not at a fixed time.
However, when plugged into power, it works perfectly fine.
I thought it was a software issue, so I formatted the laptop and installed Windows 11, but I was surprised that the laptop started restarting even while plugged in.
I reverted to Windows 10, and the same problem occurred.
Now I am stuck because this problem keeps happening between 5, 10, 15, and even 30 minutes.
The other thing is that when I enter BIOS mode, it doesn’t restart and works normally.
The solutions I’ve tried: -

I removed the RAM, hard drive, and battery, but the restart issue persists.
Installed fresh Windows 10 and 11.
Updated drivers.
Checked the processor temperature and the rest of the components, and they are all fine.
But the problem still exists.

[Edited the thread to add issue detail]

Accepted answers

Puraw

https://community.acer.com/en/discussion/723488/i-have-a-restart-issue-with-my-acer-an515-46-laptop

Hi, it could be an issue with the battery not being registered properly by MS ACPI battery control drivers or just a bad battery after 3 years. Don't use a USB-C charger but the barrel plug power adapter that came with the laptop and charge the battery to 100%, work with the laptop a few days with the adapter plugged in all the time and generate a Windows Battery Report: paste this in the command prompt: powercfg /batteryreport and open the report with your Edge browser, press Ctrl+P or right click and select "Print to Microsoft PDF", attach the report to your reply, type @Puraw or use "Quote" when you reply so I will get an alert.

All comments

Puraw

https://community.acer.com/en/discussion/723488/i-have-a-restart-issue-with-my-acer-an515-46-laptop

Hi, it could be an issue with the battery not being registered properly by MS ACPI battery control drivers or just a bad battery after 3 years. Don't use a USB-C charger but the barrel plug power adapter that came with the laptop and charge the battery to 100%, work with the laptop a few days with the adapter plugged in all the time and generate a Windows Battery Report: paste this in the command prompt: powercfg /batteryreport and open the report with your Edge browser, press Ctrl+P or right click and select "Print to Microsoft PDF", attach the report to your reply, type @Puraw or use "Quote" when you reply so I will get an alert.

StevenGen

https://community.acer.com/en/discussion/723488/i-have-a-restart-issue-with-my-acer-an515-46-laptop

These symptoms can't be fixed with any soft or hard resets or by you, as they are due to either a faulty bios or an EC or Chipset chips faulty program, you need to take your laptop to an experienced Technician that can analyze and pinpoint the exact fault, as if the laptop needs a new bios, EC chip it can be replaced but it needs to be programmed, if it needs its chipset chip replaced, then it can still be done, but the proper chipset chip needs to be available online as you cant buy these chipset chips new. See this tech here and how he programs an EC chip, as that is what needs to be done to your laptop. Good luck and hope this helps you out.

If this answers your question and solved your query please "Click on Yes" or "Click on Like" if you find my answer useful👍

Issatsr

https://community.acer.com/en/discussion/comment/1335509#Comment_1335509

https://community.acer.com/en/discussion/comment/1335510#Comment_1335510

Thank you for helping me. @Puraw
But the issue is that the laptop restarts even without the battery — sometimes every five minutes or more.
I'm using a nearly original 180W charger, without using the Type-C port.
I tried running the laptop on power only (without the battery), and it still restartsThank you for helping me.
But the issue is that the laptop restarts even without the battery — sometimes every five minutes or more.
I'm using a nearly original 180W charger, without using the Type-C port.
I tried running the laptop on power only (without the battery), and it still restarts

Puraw

https://community.acer.com/en/discussion/comment/1335541#Comment_1335541

Hi, generate a Windows Battery Report: paste this in the command prompt: powercfg /batteryreport

and open the report with your Edge browser, press Ctrl+P or right click and select "Print to Microsoft PDF", attach the report to your reply, type @Puraw or use "Quote" when you reply so I will get an alert.

Issatsr

https://community.acer.com/en/discussion/comment/1335544#Comment_1335544

info.pdf

@Puraw

This is the file that the command extracted

Puraw

https://community.acer.com/en/discussion/comment/1335547#Comment_1335547

Hi, that report contains no data as you just (yesterday) reinstalled Windows you need to populate BIOS and MS ACPI battery firmware, disable Fast Startup and Hibernate in Windows "Change what closing the lid does", and in "Change settings currently unavailable", then open Device Manager and uninstall these 2 battery drivers:

Reset the Power Plan in Edit Power Plan and boot to BIOS with F2, reset BIOS (F9) and save changes (F10), exit BIOS, boot to Windows and charge the battery to 100% till the amber battery LED turns blue + an extra 10 minutes. Unplug the adapter and work (light programs no games) with the laptop till the laptop turns off (after 2-3 hours), do not touch the power button. If the laptop shuts down again after 10 minutes or so you have a hardware problem with the power rail, if not and the battery drains normally to 5% after a couple of hours, close the lid and plug in the adapter, charge again with the lid closed till the amber battery LED turns blue + an extra 10 minutes. This procedure is called "One Full Charge Cycle" and should be done each time a new battery is installed, or Windows is reinstalled. Failing to do that will result in bad battery readings in the Battery Meter and in Microsoft ACPI Battery Protocol (Windows Power Management), that is what I think happened in your case.

Issatsr

https://community.acer.com/en/discussion/comment/1335555#Comment_1335555

"Okay, thank you @Puraw

I will try these steps and let you know the result. Just a while ago, I did this experiment by running the Prime95 program with the Blend option and left the laptop running. I was surprised that it didn’t shut down at all and worked fine."

Puraw

https://community.acer.com/en/discussion/comment/1335562#Comment_1335562

Probably the battery needs to be registered in BIOS and MS ACPI, try that "One Full Charge Cycle" I wrote above and hopefully you will be OK.

Issatsr

"Unfortunately, I followed the instructions you gave me. I opened YouTube through Google Chrome, and after less than ten minutes, the laptop restarted." @Puraw

"If the issue is hardware-related and related to power, can you guide me on which component I should check and make sure it’s working properly? I repair mobile phones and have some background in laptop repair

https://community.acer.com/en/discussion/comment/1335563#Comment_1335563

Puraw

https://community.acer.com/en/discussion/comment/1335625#Comment_1335625

Hi, sorry to hear that, the MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors): These act as switches or amplifiers and are used in conjunction with voltage regulators to control power flow. Other components to check are:

Power Management IC (PMIC): This is a critical chip designed to regulate and distribute power to various components on the motherboard, such as the CPU, GPU, RAM, and storage.

Battery Charger IC: This chip manages the charging of the laptop's battery, ensuring proper voltage and current flow.

Voltage Regulators: These chips ensure that components receive the correct voltage levels by stepping down or stepping up the power supply as needed.

DC-DC Converter Modules: They convert direct current (DC) electricity from the power adapter or battery into the voltage required by specific components.

Super I/O Chip: While its primary role is not power management, it often has functions that assist with power-related tasks, such as managing fan speeds and monitoring voltage and temperature.

Although you wrote that the power issue does not happen when in BIOS, you can try to reset BIOS by shortening the CMOS module (see below)

Power management is a very complicated process and best checked by a qualified technician in an accredited Acer repair shop.

CMOS reset: Open the back of the laptop and disconnect the battery cable from the motherboard. Locate the round CMOS module (with 2 twisted wires Red and Black under the battery) and remove the coin battery. Shorten the +/- terminals inside the CMOS capsule for 2 seconds with a bended paperclip and put the coin battery back with the + sign facing up, close the CMOS capsule. Next, press the Power Button on the keyboard for 10-15 seconds after that reconnect the battery cable to the motherboard. Close the laptop, plug-in the adapter and try to boot.

Issatsr

https://community.acer.com/en/discussion/comment/1335629#Comment_1335629

Thank you for standing by my side and for all the effort you've put in — I truly appreciate it, and I apologize as well.

I started over by charging and discharging the battery under a light load on the laptop without it shutting down, using Prime95.
Then I recharged it again while the laptop was off.

After that, I followed the manual CMOS reset procedure.

It seems like it worked — while connected to power, the laptop no longer shuts down.
I tested it continuously for 2–3 hours, and even after 6 hours of being off, I tried again and it remained stable.