I am a Windows 10 user. Recently I noticed that my task manager was using more than 20% of CPU on its own. Is this a problem? If so. how can

I am using Nexus 5 phone for some months now. Recently it got the Android Marshmallow update, But after the marshmallow update my front camera icon has disappeared or I am unable to find it. Is there a solution for this?  

I am an iPhone user, and I use my iPhone to create a hotspot to connect my laptop to the internet. But the issue is that the iPhone’s hotspot is slow. Is there a way in which I can fix this?

I have purchased a brand new LG G7. It is working fine, but the only issue I have is that it does not show the battery percentage on the status bar even if all the settings are enabled. It only shows up when the top panel is pulled down. How can I fix this?

I use Windows 10 on my computer. If I use my laptop for some time and then leave, come back again and play a video, the video does not play correctly. It plays the video by skipping frames. How can I solve it?

I am facing an issue with my smartphone. Whenever I try to open the Settings, it is showing “Unfortunately Android Settings has stopped working.” I am, therefore unable to change my Settings. How do I solve this issue?

I am facing an issue with my smartphone. There is some app that closes unexpectedly when I open them. I do not understand why this is happening. How can I solve this problem with my android phone?

I am trying to open my Gmail account in the web browser of my laptop. It neither loads or opens up. I do not understand why. It opens up easily on other devices. How to solve this?

I had received an important mail. But it seems that I have deleted or archived it. I cannot find the email now because it is no longer in my inbox. Can anyone suggest a way to retrieve the same​?

I have purchased a new smartphone, but the Google assistant feature is not working in it. I am trying to find a solution to it. Can anyone tell me why Google Assistant is not working on my smartphone?