Run the check
Note whether all axes and buttons disappear together in the test.
Check the operating system's connection status at the same time.
Compare a charged wired run with the original wireless run.
Read the result
A simultaneous OS reconnect points to power, cable, receiver, or radio path.
Limits and next step
A browser cannot measure battery health or wireless interference directly.
Repeat the check after changing one setting or connection. Keep a record of what changed before deciding whether the device needs service.