How to get Alt+SysRq work on a Dell Latitude E6530?

Solution 1:

The Dell E6420 works as follows

• Press/hold both Fn and Alt
• Press/hold Home/Sysrq
• Release Fn
• Press key (tested with T)

Solution 2:

The documentation (/usr/src/linux*/Documentation/sysrq.txt) says this:

On x86   - You press the key combo 'ALT-SysRq-<command key>'. Note - Some
           keyboards may not have a key labeled 'SysRq'. The 'SysRq' key is
           also known as the 'Print Screen' key. Also some keyboards cannot
           handle so many keys being pressed at the same time, so you might
           have better luck with "press Alt", "press SysRq", "release SysRq",
           "press <command key>", release everything.