Ironic your video components have HDMI capability but HP doesn't put HDMI outputs in the laptop?? A KVM switch may help.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01369231&tmp_track_link=ot_recdoc/c01409647/en_us/c01369231/loc:3&lc=en&dlc=en&cc=us&product=3858815&lang=en