Question about Gateway MX3414 Notebook

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I have a Gateway MX3414 that the screen just went BLACK and we tried connecting an external monitor there was nothing on that monitor also! What else could be wrong - Anyone know? I have no problem disassembling the entire computer and replacing parts and than putting it back together - have done this several times with my other laptops

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I am assuming that the laptop runs without a problem otherwise, IE. even though there is no visual display, it boots, lights light up, beeps when it should, fans come on, etc. If all of that is correct, the culpret would be the video card. Unfortunately with laptops, they are a part of the motherboard, and you would have to order another motherboard and swap them out. For most people I would advise against it, but it sounds like you may have what it takes!
Good luck,
James.
Please vote 4 thumbs if this was a help!!!

Posted on Apr 25, 2010

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Will it boot? Fan spin? LED's blink? Sound? Try connecting to a external monitor, does it show desktop? The screen is all black, no cursor at top left? No "ghost Image" in the screen when viewed in a bright light? I would look at the inverter board, backlighting, ribbon cable in the rear of the monitor, the LCD screen, your laptop has some miles on it. Not sure about a fuse on a laptop motherboard, don't see that often. Take a look at this may help you troubleshoot: http://www.youtube.com/watch?v=2Yi6GNFcP3w
ALSO Gateway Support may help: https://support.gateway.com/s/Mobile/Gateway/7305GZ/4694nv.shtml

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Sounds like either the screen or the video adapter has gone bad.
Do this: Connect the computer to an external monitor (there is a SVGA plug on the side of the computer. Be sure when you turn it on that you press teh Fn-special function key combo that switches the video output to the external monitor. If the external monitor works, then it's your computer's screen. Possibly the inverter. If the external monitor shows nothing, then it's the video card (which may be built into your motherboard).

Oct 05, 2011 | Gateway Computers & Internet

1 Answer

My mx3414 gateway went dead


There is a 15 pin VGA connector on that model so plug it in to an external monitor or an LCD television and see if you have video or not. If you do, then you need to check the LCD power inverter which converts the AC power from the wall to DC power. Since you had a power surge this would be the most likely trouble spot. If there is no video, the likely culprit is the video card.

Jun 22, 2010 | Gateway MX3414 Notebook

1 Answer

Turned my gateway mx3414 laptop off, when I turned it back on the screen was black, turned off and restarted several times always just a black screen.


You may have a faulty inverter or defective CCFL lamp. A faulty CCFL lamp may have the following symptom: Screen flashes on and off or displays reddish pink hue. Picture stays on in red and slowly be come normal. Picture flickering and/or with dim display or appear black. Picture flickers on and off. 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 replace the CCFL lamp.
To determine if the video card or the LCD is faulty, connect an external monitor to your laptop and power the monitor up first then the laptop, 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 or a faulty inverter that supplies high voltage to the CCFL lamp. Usually the CCFL lamp fails before the inverter.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out LCD Parts for service, parts, and DIY info Use this link to their WEB site: -
www.ladparts.net

Dec 13, 2009 | Gateway Computers & Internet

1 Answer

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Try going into safe mode upon startup by hitting the F8 button. If it does then hit safe mode to get into your computer. Go to start>accessories>system tools>system restore. Follow the wizard to restore your computer to a date earlier than when you started having problems. Let me know if you have any problems or questions.

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be sure to circle through possible screen.
use FN key + a key with a screen symbol on your keyboard (or check your doc) to switch from main screen to external monitor and back.
sometime some techies use external monitor for pc final test and forgot to restore configuration to laptop screen.
At restart XP is expecting the last used monitor and nothing shows on laptop screen.
try also connecting any external monitor to vga plug.
let me know if is fixing

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1 Answer

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Quite possible that the machine is defaulting to external display only. Check your BIOS for this and try any function keys/switches that are available.

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1 Answer

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Try connecting an external monitor - if you get a picture then the laptop screen may be faulty or turned off.

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