A few steps are required on linux and putty sides.
a. Install the following package if it is not present.
# yum -y install xorg-x11-xauth
b. Enable X11 forwarding in
putty check that
SSH-> X11-> X11Forwarding is enabled and
MIT-Magic-Cookie-1 is set.
d. On laptop side, start
Xming, putty into your linux box, do not set DISPLAY! – all is ready to go.