Question about Sceptre DCL 7A 17" Flat Panel LCD Monitor

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Monitor won't turn on -- flashes on then off again

Hi there,
For the last few days, my monitor has been misbehaving. When it goes into standby mode (after long period of inactivity), or after powering down, it has a very hard time waking up. Pressing the power button will cause it to flash on once (for about a quarter second -- frames do update during this time), and then off again. After flashing off, the power light remains on, but the screen is completely blank. IIn the past, it's done this and I've had to press it a couple times for it to snap out of this mode, but now it seems to be permanent. I've pressed it hundreds of times (on then off then on...) with no luck.

It's definitely a monitor problem, as the problem persists when plugged into other computers. I can't see any color that would suggest just a lamp problem (but couldn't see real well with the flashlight). I tried adjusting the resolution within windows, with no luck.

Any ideas? I'm close to resorting to the dropkick method of repair.

Help!

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  • sf_nate Dec 11, 2007

    All good ideas, thanks.



    Unfortunately, I don't think it's a CPU problem. I tried plugging the monitor into my laptop and had the same problem. Heck, it even does the flash when it's saying 'No Signal' (when it's unplugged).



    As for temperature, the only correlation I can make is that as it's gotten colder out (winter time, average temps lower) the monitor has maybe gotten more finicky.



    I appreciate the help, though. Any other thoughts?

  • chilgonz Dec 14, 2007

    same exact problem!

  • Anonymous Mar 06, 2008

    past few days gone into standby mode and wont come out unless i do a restart of cpu. Now the monitor light just sits and flashes and will not show a picture, i have plugged it into other towers with no change. Help me this monitor is not old enough to have issues already..

  • Anonymous Aug 10, 2008

    my monitor is a ViewSonic 19" VA915 doing exactly the same thing. i have tried changing the cable, plugging into different computers etc but its always the same problem. happens right from boot, during POST and BIOS screens so its not a driver or windows problem.



    i had to replace the monitor today; a real shame!

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This is probably a RAM memory trouble, you have to try with 2 ways: 1) Try with another RAM memory to start your pc, 2) Verify the memory using a DOS software to check it.

Also, you could reset the BIOS using the jumper settings established on the PC Motherboard Manual to try if the BIOS is fail, or update the PC BIOS.

At last, You must check the temperature generated on the devices, if it's warm it means that the Hardware needs to add more fan coolers, or deactivate Overclocking. The overheat cause this fail too.

Click on this site to setup Bios or Cmos :

http://www.computerhope.com/issues/chooo192.htm

Or can try in safe mode

Best of Luck ! Please dont for get to Vote.Thank You.

Posted on Dec 11, 2007

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I have the same problem with my AOC by Envision Peripherals brand LCD monitor. I have discovered several times that it does not function in the mornings, and after closer study I have seen time and time again that it will only turn on after the fireplace has been going and the house has warmed up. Temperature is the issue, but why, I have no idea.

Posted on Mar 14, 2010

  • pgsayers Mar 19, 2011

    With what you have said, sounds like a cold solder joint on one of the boards. As the board and components heat up they expand and make a better contact.

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I have the same problem with a 19" unit it just started the last month. If I unplug the power cord for 10 seconds then plug it in I can use it the rest of the day until i shut the system down again. I disabled "turn monitor off" in power settings so it will stay on. I too have tried it on different computers,it is in the monitor. No ideas, I am pricing out a 24" feom a different manufacturer.

Posted on Jan 25, 2008

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I read that this problem is caused by a bad inverter board in monitor. We are about to try it. It also takes a while to show an image and if you restart cpu monitor starts normal but when first turned on in morning takes a while.

Posted on Oct 06, 2009

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Fix-4U
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SOURCE: Monitor won't turn on -- flashes on then off again

Hi...there,

Well...you can kicks and screams all you like. It's won't help... It's seems your inverter busted, need to replaced a new ones. Have funs!

Posted on Sep 29, 2008

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