The issue was posted here and got a solution.
Edit the file /etc/kde4/kdm/kdmrc
kdesudo kate /etc/kde4/kdm/kdmrc[/code]
Then reboot your system for the change to take effect.
Joel G Mathew, known in tech circles by the pseudonym Droidzone, is an opensource and programming enthusiast.
His favorite pastime is grappling with GNU compilers, discovering newer Linux secrets, writing scripts, hacking roms, and programs (nothing illegal), reading, blogging. and testing out the latest gadgets.
When away from the tech world, Dr Joel G. Mathew is a practising ENT Surgeon, busy with surgeries and clinical practise.