Question about HP Compaq 2025 (Carbon, Silver) 20.1" LCD Monitor

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I plug in the monitor and the lights light up but there is nothing on the screen

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Hello there andy_sellard.

Here's your GEEK-steer ...

To be clear, what I'm hearing you say is, the monitor is NOT connected to a functioning PC during your procedure. If this is the situation:

  • My presumption is you're just trying to test it by powering it up in order to see if you can get a display image.
  • However, there's nothing necessarily wrong with it. In fact, under these circumstances, it is behaving as designed. It isn't showing an image because it is not being SENT image signals (from a PC's video adapter) to display. That;s why you probably also notice there is a brief message stating something to the effect "No signal" or something similar.
If on the other hand, I'm mistaken, and it is connected to a (presumed) functioning PC, and behaves as you describe, there are a few questions:
  • Is it the monitor that was usually paired with this PC (i.e., was it working with this PC before now/recently)?
  • Were any hardware modifications made to this setup prior to this trouble?
  • Do you have access to another "known good" working PC, and/or access to another "known good" working monitor? If you do to either, perform a test as appropriate (e.g., hook up the problem monitor to the "good" PC, and vice-versa) in order to deduce what's "bad".
If still unresolved, please fire back these answers and we can pick it back up.

Good luck, and thanks in advance for posting back ...
  • to let me (and others) know how things worked out,
  • if you have any further questions,
  • to provide clarification or feedback.
"Today's the best day of my life ... and NOW you're part of it!"
Via-con-Dios and Godspeed -- Craig

Posted on Sep 26, 2009

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Andy_sellard, Gee wiz, maybe the PC is broke? Maybe a stray dog bit and severed some critical conductors in the data cable from PC to the display, way back in 2001. You could try to make some voltage measurements if you have a DMM/DVM to see if all the DC source voltages are where they should be. Did someone pilfer your "cold-cathode-fluorescent-tubes" from your monitor when you weren't looking?? They would also have swiped your "switch-mode-power-supply" too. Try this! Reconnect bad monitor to an already booted, KNOWN GOOD PC that has the winDesktop showing. turn on the bad monitor and note what happens. If LCD screen remains BLACK, shine a bright flashlight at lower left corner of screen to see if you can see the WIN-start button being displayed. Get back to me with result of this test if you do see, or don't see anything!! I'mlouie12fix on fixya or lmistyrel @aol.com Hope to hear from you.

Posted on Sep 26, 2009

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