Terminal services client, without a mouse

If you're in a terminal services client and do not have a working mouse...

To get to the "Connection Bar" type CTRL+ALT+HOME

To send the equivalent of a CTRL+ALT+DEL use CTRL+ALT+END

Source

• Remote Desktop Services Shortcut Keys

See also

• Use mstsc.exe to connect, receive Black screen
• How to best configure and use mstsc.exe - microsoft terminal services client