A display is connected to the computer but does not display anything. Use the steps in this document to resolve this issue or to determine if the display is defective.
This document is describes how to troubleshoot a video connection from a display (or a TV being used as a display) to a personal computer. If you have a computer with a built-in display, such as an HP or Compaq All-in-One PC or HP TouchSmart PC, see Screen is Blank after Starting the Computer.
This document helps you determine if the blank or black screen is being caused by the computer hardware, the video signal to the display, or the display itself.
note:This document does not address issues encountered using HDMI cables and displays. For troubleshooting information for HDMI, see Troubleshooting HDMI Display and Sound Issues.