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Dell e228wfp flat panel. periodically goes blank. when i power off the on promp " 1. Auto detect ( Analog signal )" is up . . . just for a moment then screen goes blank.

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  • rbrowning200 Dec 03, 2008

    I have the same problem. Mine started doing this after 4 months of use. I have it connected with the DVI connector to my DELL Precision m6300 Notebook and the highest resolution for the Monitor. Every 5 min the screen will go black, but I see the power button is still green and my laptop is running fine and it's working on the Laptop LCD. I have to turn off the monitor and turn it back on and it will say something alone the line of "Digital output " and work again for antoher 5 mins before it happens again! What's going on. I'm using a 19" Older Dell LCD Monitor and it's working fine. It's gotta be the Dell E228WFP Lcd monitor.

  • Prof Z Dec 04, 2008

    Ditto

  • z_yunfei Dec 11, 2008

    I have the same problem.
    I bought it 4 months ago.



  • katshepsut Dec 12, 2008

    Mine's just started doing it too. Bought it in August this year...

  • Arbiter4 Mar 18, 2009

    Same issue as above. The E228WFPc is my secondary monitor attached to a laptop. By the end of the day it starts to exhibit this behavior. The attached LCD doesnt malfunction ruling out powersave or graphics card. Changing from DVI to VGA doesn't change the problem, and it only really starts manifesting at the end of the day (backing up the heat-related diagnosis). I can also still faintly see the image - definately the backlight.

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This is a backlight problem. I can still see very faint images moving when mine goes black, i.e. while watching a movie. Anyone know how resolve this backlight problem. Probably a faulty hear sensor if it has one.

Posted on Jan 23, 2009

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It's heat related and possibly a backlight issue - mine only does it when the monitor has been powered on for about 2 hours. If I turn it off for an hour, I can get another 2-hour stretch out of it. Happens in self-test mode, so that's the cruncher. It's taken 2 days and many laborious hours on the phone, but Dell is sending me a replacement monitor tomorrow. There are more people with the problem here: http://en.community.dell.com/forums/t/19245356.aspx. Hope you get yours replaced too...

Posted on Dec 16, 2008

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You may have a loose connection. Check your power cables and vga/dvi cables (the one that connects your computer to the monitor). Make sure everything is in tightly.

Posted on Nov 15, 2008

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1 Answer

Auto detect analog


Hi Jessica,
Dell E228WFPC/E228WFP does support displays with 1920x1080 set resolution via DVI connection while it is restricted to validated Dell brand displays:
  • The restriction applies to resolution higher than 1680x1050 via DVI connection.
  • No restriction with VGA connection, which supports up to 1920x1200.

If you use a DVI connection set your computer's resolution to 1680x1050.



http://downloads.dell.com/Manuals/all-products/esuprt_electronics/esuprt_Display/dell-e228wfp_User's%20Guide_en-us.pdf

Feb 19, 2014 | Dell Computers & Internet

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Okay boss, does your computer remain on when this happens?

Jan 14, 2014 | Dell OptiPlex 760 PC Desktop

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Auto detect analog


Hi,

You can try reseating Monitor Cable on both ends.
Test Monitor on another Tower/Desktop PC? Vice Versa.

Let me know if it works
Thanks

Jan 14, 2014 | Dell Computers & Internet

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Power drain


There is a lack of communication between the monitor and video card. Try reseating if add-on video card. Make sure monitor is set to correct input, like VGA (analog), DVI, HDMI, or Display Port. Try testing with another monitor.

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Does the monitor go out completely, no power? Or just lose a signal? Check ALL cables, AC and Monitor cables. Could be a Graphics adapter issue or Monitor , try another monitor.Your computer has a few miles on it , right? You could buy a PCI Graphics card if the monitor is OK.

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The screen goes black whle I'm working and I have to push the monitor button and when it comes back, it says" auto detect analog input


go to power options in control panel and check if you have the option turned on to "turn off the screen after x minues of inactivity"

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Gp to Bios Set-up and look for set-up default. Then save and exit.

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it sound like you eather need a new video card or there is something wrong with your moniter.

thanks
hope this help you

Aug 18, 2008 | Dell Dimension 4600 PC Desktop

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Computer monitor comes on for 1 seconds, flashes "analog power save mode" and then goes black.


Most monitors will say "Power save mode" when they can tell through residual voltage that the signal lead is plugged into a machine, but there's no picture being transmitted. The four states of a monitor are:

* Off entirely.
* Switched on, plugged into a computer but no video signal being received - usually displays "analog power save mode" or "digital power save mode" for a few seconds, then blanks. Comes back to life the moment a video signal is received. This state is the default in full power saving mode.
* Switched on, not plugged into a computer. Some monitors don't display anything, some go into power saving mode, some fly "CHECK SIGNAL CABLE" or a similar message around the screen. Picture is restored when the signal cable is plugged back into the computer
* On fully, receiving an image, and displaying.

Hope this helps.

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