Check eqclient.ini in your EQ folder and see if the resolutions at the end of the file match the resolution available on your laptop, this tends to be an issue that drops you to desktop when the client tries to change to an invalid resolution. Don't use the Options menu as it doesn't always display the right resolutions...
See:
http://www.project1999.org/forums/sh...5260#post85260
Regards,
Mg