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Computer is not responding to the cordless mouse and I cant get to settings without it.

HP Recommended

I have a HP Lenovo desktop and a HP monitor.  When I came to the office I saw that I did not power off before leaving so it was on all night.  I woke it up by pressing the on button and  my screen pic came up with thee time and date.  I tried to click the date but could not find the curser on the screen.  So I’m not sure if it is a screen problem or a mouse problem.  I’ve turned the computer off and unplugged everything for about 60 seconds and turned everything back on.  I am getting a message that says


Input Signal Not Found

Check the Video Cable and Source

Display Going to Sleep


I’ve powered off...unplugged everything

i’ve changed the battery in the mouse


i can’t get to settings because i can’t use the mouse to get to the settings page.


any help will be greatly appreciated.

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