N364 Main Power Switch Problem

[jayr]

Help! Whilst transporting my N364 the strap on the keyboard bag snapped and broke causing it to fall on the floor.
Luckily the only damage was to the main power switch - she'll power up but the button doesn't stay "in" unless I jam the switch in the on position with a piece of paper!

So can I ask if anyone knows how to take the N364 apart (easily!) so I can try and fix the switch. Or has anyone else on here had to fix the power switch?

Thanks