Question about Gateway 7405GX Notebook

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No video screen at all in mt3422 gateway laptop

Can a usb video card be used as a replacement for a failed video card in laptop

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  • carmoe Feb 08, 2009

    Hi thanks for reply I had the feeling this wouldn't be possible with a usb video card. No beeps from laptop, did all the easy pull outs & swapping ram & from what I can tell it is either motherboard or cpu. I am going to recommend junking the computer & holding on to the spare parts for further test or replacements in other computers. This gateway mf3422 seems to have this problem as my search has found.Thank you for the quick response, any other idea I would be interested in.

  • carmoe Feb 08, 2009

    Well I just guess I will try unplugging cpu from mb & trying to reset for giggles. Maybe it will be like the desktop cards & get the microscopic corrosion in the connections got nothing to loose but time, & being off my feet for 6 more weeks it will pass the time away thanks again for your reply.
    Nothing ventured is nothing gained.....


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Unlikely. Most systems won't boot without a working display card, you'll get a beep code. USB video only works on a fully booted system so the operating system can initialize the device and load the drivers.

Posted on Feb 08, 2009

  • RM Pro Svcs Feb 08, 2009

    No beep codes suggests motherboard isn't making it through BIOS POST, so yeah, motherboard or CPU would be my guess as well.

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The led light comming on indicates your power pack is ok but a component is failing to start especially when the laptop stops at the first screen stage where the manufacturer names appears.

The steps needed to solve this kind of problem would require technical skills and physical inspection.

If you still have a waranty period then seek a free service repair from an authorized or certified gateway service centre at the nearest centre closest to you.

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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.
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some screen failure or graphics failure..

I think you need to send it back there you bought it.

CS.

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