HP má v BIOSu nějakou diagnostiku: http://h10025.www1.hp.com/ewfrf/wc/document?docnam e=c01443317&lc=en&cc=us&dlc=enhttp://h10025.www1.hp.com/ewfrf/wc/document?docnam e=c00474351&lc=en&cc=us&dlc=en