User manual

English Wireless keyboard with wireless mouse MTS2219-SL
18
Appendix
Troubleshooting
If after installation the wireless keyboard and the wireless mouse do not
respond, please test the following:
; Please check the polarity of the batteries.
; Please check that the receiver unit has been connected properly to
your computer (see page 11 - Connecting the USB Mini Receiver).
; Please try a different USB port.
; 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. Disabled
this function to show all icons at all times.