Windows 10: Touchpad not working in acer aspire E 15

After the technician uninstall intel graphics, insert his usb mouse, flash drive and hard drive my touchpad stop. Then, before he upgraded it to windows 10, the touchpad was not working and when he upgraded it it does't change anything. I don't know what is the possible cause that stop my touchpad to work. In device manager, I did not see the mouse and other devices but when I insert my usb mouse it can be seen. I also try to use fn+f7 where it will able or disable my touchpad but it was not working. I try to download the intel graphics driver again but it doesn't change anything in my touchpad. Please help me

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Acer Aspire E 15 shut down problem

Hello everyone, I have Acer Aspire E 15 laptop bought a year ago. I'm encountering a problem regarding shut down. While I go start up and click the shut down or restart button. My laptop does not shut down or restart. Please help suggest me some effective
solutions regarding this problem as soon as possible.

 

Unable to use Cortana on my Acer aspire E 15.

Original title: Cortana

My Acer aspire E 15 microphone is not designed to work with Cortana how can I fix this I upgraded from windows 8.1 pro.

 

Touchpad on Acer Aspire

I have an Acer Aspire laptop model E1-531-2453 and I recently upgraded to Windows 10 and my scroll on my touchpad stopped working and now nothing on my touch pad works. Any Ideas?