Silvercrest STMS 22.8 A1 - Manual (Page 20)

English - 19
Appendix
Troubleshooting
If after installation the wireless keyboard and the wireless mouse do not
respond, please test the following:

Check the polarity of the batteries.

Check that the receiver unit has been connected properly to your
computer (see page 12 - Connecting the USB Nano Receiver).

Try a different USB port.

Please note that when using multiple sets the different components
such as the wireless mouse, wireless keyboard and USB nano
receiver cannot be swapped.

Check the charging level of the batteries (if necessary, insert new
batteries).

Please note that you should use a pad (e.g. mouse pad) when using
the mouse on a glass or glossy surface.
If the icons for "Num Lock", "Caps Lock" and/or "Scroll Lock" do not appear
in the task bar, please try the following:

Check the taskbar settings to see if inactive icons are hidden. Disable
this function to show all icons at all times.