[Laptop Battery Failure !]

I have faced the same problem on my HP Laptop when I visited the service centre they said Your Battery is gone and It's not connecting to the Laptop. So I changed the battery and now It's working fine.

[Facing Err Network Changed - Unable to Access Network]

Hi,

maybe you can try to read the following forum thread to understand your problem better - https://productforums.google.com/forum/#!topic/chrome/Zt_1l4TJFnM

Also, as @xilolee suggested, you should remove or block any ongoing services that might interrupt the process. Now, if you want to try out something for yourself, check this - https://validedge.com/err_network_changed/

Do let me know if this works.

[How to speed up your PC]

Here are some tips to help you optimize Windows 7 for faster performance.

1. Try the Performance troubleshooter
2. Delete programs you never use
3. Limit how many programs run at startup
4. Clean up your hard disk
5. Turn off visual effects