Try connect to an external monitor! and check if it works <br><br><a href="http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01997899&amp;tmp_task=solveCategory&amp;lc=en&amp;dlc=en&amp;cc=us&amp;site=null&amp;lang=en&amp;key=null&amp;product=1842155">http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01997899&amp;tmp_task=solveCategory&amp;lc=en&amp;dlc=en&amp;cc=us&amp;site=null&amp;lang=en&amp;key=null&amp;product=1842155</a><br>