Computer not detecting vga and makes beep sound

My monitor is not detecting the computer/VGA and makes a continuous beeping sound! I already tried replacing memory card and the video card. What could be the problem? Thanks
2 answers Last reply
More about computer detecting makes beep sound
  1. Lots more information required

    what computer?
    old and just started?
    which version of windows
  2. It is an HP, and its not that old...about 3 years.
    Windows 7
    This problem started couple months ago, I had put it away, but now i want to fix it!!
Ask a new question

Read More

Prebuilt Computers VGA Monitors Systems