02-08-2017 04:01 AM
i tried to change lockscreen wallpaper several times but i couldn't make it even noe i cant enable battery saver and use right side keys num keys
02-08-2017 07:02 AM
Did you try these: https://www.tenforums.com/tutorials/5016-lock-screen-background-change-windows-10-a.html
What do you mean by battery saver? Screenshot of the problem/error please?
You mean numlock key is not working?
Have you installed latest drivers: http://support.hp.com/us-en/drivers/selfservice/HP-15-Notebook-PC-series/12229013/model/13673661
02-08-2017 05:44 PM
Hope you are aware that this is not official support page of HP.
There is no official presence of HP here.
If you need to directly contact HP technical support, please use these links:
This is a peer-to-peer public forum where members like you help each other in solving issues faced by public.
What changes have you made that lead to this problem of yours?
When did these issues start?
How did you install Windows 10 in your laptop that came with no Windows operating system?
Do you have installation media with you?
Have you checked for system file errors/corruption from CMD as administrator?
Have you done keyboard testing from BIOS/UEFI by tapping f2 key as soon as you power on laptop?
02-17-2017 07:59 AM
i installed media using windows cd rom,it is genuine and was working well,here is something what i have got now
i created a new user as visitor or guest and im now able to change wallpaper of that account login page but still unable to change administrator one.
02-17-2017 08:35 AM
Run DISM tool: Option 1
Then do SFC scan: Option 3