Comments by "John h Palmer" (@johnhpalmer6098) on "Why Does My Wireless Mouse Stop Working Randomly?" video.
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Yep. I got a cordless mouse, had several, 2 from Microsoft, but they failed and now have a Logitech mouse and one thing I've found is, if your computer is a tower, and sits on the floor, you need to bring the dongle up to roughly level with the mouse, or it won't work reliably as it's line of sight transmission.
My SFF Dell sits on my desk, but my keyboard and mouse are on a keyboard drawer below the surface, so use an extension to bring the dongle to the same level of the mouse and that works.
Another issue is when you've been able to rule out the mouse etc, but find an issue is something larger, check to be certain your USB ports are working. Years ago, I had a first gen Core i7 based Dell Studio XPS desktop who's motherboard was failing due to loosing periodically the USB ports. A new MB fixed that. Clue was the keyboard, mouse and other peripherals stopped working. So be aware of that.
As to Windows 7, I hope you are not online with 7, it's been off support for several years and using it with an outdated browser leads you security risks, and a lack of proper operation of some site due to being forced to run an older version of the browser due to this lack of support.
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