On 11/07/2017 06:10 PM, John R Pierce wrote: > On 11/7/2017 3:47 PM, H wrote: >> I think you were right. I moved the computer a little bit closer and no longer have the problem. It is a Bluetooth mouse, I did not know that they were that sensitive to the distance... > > > Bluetooth in absence of other 2.4Ghz interference (cough, wifi) can work reasonably well at like 20-30 feet. if there's active nearby wifi on 2.4Ghz, forget it, much closer. USB 3.0 peripherals can also impact Bluetooth and other 2.4GHz devices severely. https://www.intel.com/content/dam/www/public/us/en/documents/white-papers/usb3-frequency-interference-paper.pdf https://www.pcmag.com/article2/0,2817,2423604,00.asp http://support.logitech.com/en_gb/article/38032 -- Bob Nichols "NOSPAM" is really part of my email address. Do NOT delete it.