Question about Computer Monitors

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Monitor no video at all. Monitor says no input signal and then going to sleep.

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  • zooterdog Aug 01, 2008

    I've had the computer with the same monitor for almost 2 years.

  • zooterdog Aug 02, 2008

    The monitor will work on a different computer. I've also tried a new video card and that didn't make any difference.

  • zooterdog Aug 02, 2008

    I was playing a RealArcade game and wanted to go to a different game and all of my downloaded games were gone. I restarted the computer and the monitor didn't come back. I can't look at anything on that computer because I can't get any monitor to work on it.

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This problem needs a urgent replacement of the LOT- line out transformer

Posted on Aug 03, 2008

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  • Computer Mon... Master
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If you have another Video card you can also try using that and see if the monitor will be working fine because this can be a bad video card or a bad monitor..

Hope that helps..........

Posted on Aug 01, 2008

  • Mark Gil
    Mark Gil Aug 02, 2008

    If that's the case this can be a problem with the motherboard itself since the monitor work on a different computer and another video card also have the same problem..

  • Mark Gil
    Mark Gil Aug 02, 2008

    Trya lso checking the cable because this can also be a problem with your monitors cable probably you may need to slder or replace the cable of the monitor....

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Is your monitor software installed? I would also check cables for a tight fit.

Posted on Aug 01, 2008

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  • Gayle Ashbach
    Gayle Ashbach Aug 01, 2008

    I agree that you should definetly try a new cable and check your connections. My pets sometimes mess up my connections. Argh! Good Luck



    PS>Some great system come with inexpensive monitors. I'm not saying that is the case here, but just a thought to keep in mind.

  • Gayle Ashbach
    Gayle Ashbach Aug 01, 2008

    Isthe monitor power light on? do you have another system you can hook it up to or a friends perhaps? The reason I suggested the monitor software ( or even check the monitor driver in "system Info") is that occasionally drivers get accidentally uninstalled when maintenance is being done. Just worth checking. Let me know if I can help in any other way.

  • Gayle Ashbach
    Gayle Ashbach Aug 02, 2008

    How very frustrating for you. when did the monitor stop working? do you remember the circumstance?



    go to My computer and right click on it>go to manage>then click on device manager then scan down the list on the right until you come to monitor click on that and it will open to show your monitor ( or not) if it does not show your monitor, it is not installed on this particular PC. If it does show your monitor then click on that and it will take you to a trouble shooting page as well as tabs that will help you with the monitor driver if it needs to be updated etc. I hope this will work. I am still thinking about your problem !

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Try a different input cable and check if this is a cable or some loose connection problem.

that itself may get the problem solved many times.

Posted on Aug 01, 2008

  • dewan nafees ahmed Aug 01, 2008

    if simple solution like using a different cable does not correct this problem then leave the monitor plugged off from wall power for one night and then use it and see.

    if the problem persists then this is a problem with some internal component.

    when coming to internal components repair. it is cheap and difficult if it is a old monitor.

    costly and easy for new monitors.

    because new monitors have all the functions compacted in a single IC chip. while in old replacing some particular components will solve the problem.

    thank you


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I assume this is a Desktop computer:
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If you see a message on the screen that says * NO SIGNAL * in most cases the Monitor is good, and the Monitor is either not connected to the PC or there is a problem with the PC Check the connections and the video card.
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HP monitor going into sleep mode right after turning it on


If it goes in to sleep mode, that means that the monitor is not getting a signal from the computer.
The things to try (from simplest to most complex) are:

  1. Make sure the computer is on and not in "sleep" mode -- press the "Caps Lock" key and see if it lights up the caps-lock light on the keyboard.
  2. Make sure the video cable is connected from the computer to the monitor (that the cable hasn't come loose on either end)
  3. If your monitor has multiple inputs, make sure it's set to the right (probably analog VGA or DVI) input
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1 Answer

Monitor goes to sleep when computor is turned on no input signal


If the monitor is going into sleep mode the normal power led will change to another color. This indicates loss of video signal or possible out of range resolution. If the picture goes dark and the power lite stays on, you have a backlight malfunction. It can be bad capacitors causing an inverter power fault or it may have worn out backlights causing a shutdown condition.
Monitor Mike

Aug 17, 2010 | HP w1907 LCD Monitor

1 Answer

When i press the power button to turn off monitor, i get a power button lockout message. how do i unlock the power button


I did not see anything regarding to the Power locked out function, may be it's time to call HP. Please post back what you find out from HP.
I look at HP WEBSITE: http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01632269&tmp_track_link=ot_recdoc/c01643091/en_us/c01632269/loc:1&lc=en&dlc=en&cc=us&product=3770762


Locking OSD settings
When the OSD is locked, settings cannot be changed in the OSD menu. The OSD functionality is enabled or disabled by pressing the Menu button and holding it for 10 seconds. Upon disabling the OSD, an OSD Lock-out message is displayed for 10 seconds. When the OSD is locked and an OSD menu button is pressed, the OSD Lock-out message is displayed for an additional 10 seconds. When the OSD is locked, pressing the OSD menu button for 10 seconds unlocks the OSD and displays the main menu. Identifying monitor conditions
Special messages display on the monitor screen for the following monitor conditions:
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    • For the w2338h monitor: 1920 x 1080 @ 60 Hz.
  • Monitor Going to Sleep : Indicates the screen display is entering a sleep mode.
  • Check Video Cable : Indicates a video input cable is not properly connected to the computer or monitor.
  • OSD Lock-out : When the OSD is locked, the warning message OSD Lock displays for 10 seconds.
  • No Input Signal : Indicates the monitor is not receiving a video signal from the computer on the monitor video input connector. Check whether the computer or input signal source is off or in the power-save mode.
  • Auto Adjustment in Progress : Indicates the auto-adjustment function is active and in process.

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3 Answers

No Input Signal, Monitor Going to Sleep


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Jul 31, 2009 | HP w1907 LCD Monitor

1 Answer

Screen shows message "no input signal" and monitor goes to sleep.


monitor show "no input singnal" error masage when not gating any type of video singnal ,
so if u realy check your monitor wires for correctty plugged in .
then:-

Two possibilities:

either the video/mainboard of the monitor is defective; or
the video card/ CPU is the faulty.

A way to verify is to try the PC with another monitor or to try the monitor in another PC.

thanks

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