Jan Claeys <li...@janc.be> wrote: > On Sun, 2025-04-06 at 17:42 +0300, Serkan Kurt wrote: > > Hello. A USBA (ss) wireless mouse is connected to the laptop. When I > > connect a WD Element 1 TB or WD Element 4 TB external disk to the > > other USBA (ss) port, the working distance of the mouse drops to > > about 0.5 meters. Normally 10 meters. The laptop has 2 USBA (ss) > > ports. The two ports are side by side. Could there be a hardware > > problem? Do you have any suggestions for solving the problem? > > This is a well-known problem: USB 3 high-speed connections (such as > you would typically have with USB mass storage devices) can cause > electromagnetic interference to wireless devices that operate in the > 2.4 GHz frequency bands. > > https://en.wikipedia.org/wiki/USB_3.0#Radio_frequency_interference
The article says that may be a problem with USB 3.0 devices. The disks are USB 3.2. One hopes the early problems have been overcome by now. > The solution is to move the wireless receiver away from the USB ports > that the external disk is connected to. > >