Question about Dell Inspiron 1501 Notebook

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Monitor Flickering to green on Dell Inspiron 1501

I have a 1501 that the monitor flickers to green, i suspected the cable between the board and the monitor but it doesn't seem to cut out when i move it around. Computer is responsive still, just the monitor seems to be affected. Running Windows Vista Home

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  • thomvoth Jan 11, 2009

    Sorry, I used the wrong terms, its the laptop screen itself. Thanks though.

  • thomvoth Jan 11, 2009

    K I just tried it on my TV and its doing the same thing, so the video card must be the issue.

  • thomvoth Jan 11, 2009

    Did that already, that was my first though too. It is doing it on its own screen and also through the VGA port. I will see if I can update the video drivers.

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Since the cable isn't the culprit as you determined by moving the cable around. This leads the problem to be either the video card (built in or not) in your PC or the monitor itself. The best way to test this is to switch your monitor with someone else and see which one duplicates the problem. If the monitor is the problem, the good news is that you can find them on sale for cheap online. I found a 19" for $99.99 and am quite happy with it.
The only other thing I'd suggest is updating the drivers for the monitor through Device Manager (right click My Computer>Properties>Hardware>Device Manager). Expand Monitors and Display Adapters. Right click what is displayed and choose Update Driver. This most likely won't be the problem fixer but is worth checking out.
Last question...how old is the monitor ?

Posted on Jan 11, 2009

  • Bill Speer
    Bill Speer Jan 11, 2009

    You can go to support.dell.com and look up the manual for your laptop. It will show you how to take off the monitor. There is a good chance one of the cables needs reseated. It's a relatively painless procedure if you're even a little handy with tools.

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Screen is flickering constantly and goes black after a while


Look for your computer's monitor settings, then adjust its refresh rate.
To modify a refresh rate on Windows, right-click anywhere on the Windows desktop.
Select "Properties," then choose the "Display Properties" tab on the window that appears.

Click the "Settings" option, then select "Advanced" from the window that appears.
Choose the "Monitor" tab, which lets you access a drop-down menu with the options for refresh settings adjustments. As a basic guide, use a setting of at least 75 hertz.

Confirm the change by clicking "Apply." Reboot the PC to ensure the new settings on the screen take effect.
Check your screen if the blinking problem is resolved. If not, try a higher refresh setting. If there is no change on the flickering of the screen, this means the problem is not caused by the screen's refresh rate. If your computer is not running on a battery or surge protector, shut it down to safely transfer the plug to another outlet Hope this helps.

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I have a dell e1505 laptop you turn it on it flickers to dell for about a 1/2 second then goes virtually black but if you look real close the screen is there.you can still hear it, i hook it to a exteral...


hi there !

-if you switch the computer on and it boots up and you hear the windows sound, this could be a possible video problem or motherboard problem
-run the diags on the LCD, while the computer is off, press and hold "D" then press power button at the same time, if you see the colors red blue green without any problems then it is a motherboard or video card problem
-another method to run the test is while the computer is off; preess and hold Fn then press power button, let the test run; when you see the question were colour bars displayed, press N, if you see the colors red blue and green without any problem then it is a motherboard problem or video card; otherwise it is an LCD problem
-to toggle display on the external monitor press Fn then F8

cheers !

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To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

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All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

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Yea if possible try to check if the monitor cable that is connecting the monitor to the motherboard on he laptop is lose. Then give your laptop's video card drivers an update. If that doesn't help then it could be something physical wrong with the video card. Or something physical wrong with the monitor controller board. You'll just have to isolate the problem to find the reason for the issue.

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