Momentary keyboard problems, zoom problems, the PC switches off by itself

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Model: Aspire A515-51G
I bought it in 2018
I use good WiFi connexion
Use: everyday, specially now (study purposes)
Programs that I use: Google Chrome, Word 365, Xodo PDF

momentary keyboard problems, zoom problems, the PC switches off by itself

All of this occurs only for some minutes and then everything gets back to normal, but I have to fix it because I will have online exams with limited time.

I put the 2 windows manually or with Windows +< (or Windows + >)

It is a laptop and I use a bluetooth keyboard. When the keyboard does not respond, both keyboards are affected: the bluetooth one and the proper keyboard

The zoom works by itself when I use the mousewheel and that interupts my work.
How can I deactivate the zoom when this occurs? I never use the trick ctrl+mouse wheel.

The PC is permanently plugged in because if not it turns itself off. However it works 95 % of the time really well. I wanted to have it repaired but the man from the shop told me that batteries always end up to break down.

I hope that you can help me. Thanks in advance. :)

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Hello, I recommend that you update the relevant drivers. You can download them from Acer support here.

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Based on fix no.3 from here follow these steps:
  • Open Device Manager (right click windows button and select device manager)
  • Find the keyboard,

  • After installing, restart your PC. The driver may automatically be updated and reinstalled, if not go back to device manager and scan for hardware changes to install the most up to date driver.


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Could you please tell me which are the relevant drivers?

I have no idea:

SATA AHCI Driver
Audio Driver
Bluetooth Drive
Bluetooth Driver (NFA435 Liteon)
Card Reader Driver
Chipset Driver (Kabylake)
Serial IO Driver
IRST (Intel® Rapid Storage Technology) Driver
LAN Driver
Turbo Boost Driver
VGA Driver
Wireless LAN Driver
Wireless LAN Driver (NFA435)

Thanks in advance