Question about Gateway 450SX4 Notebook

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Screen becomes jumbled when computer base is handled

My 450sx4 laptop is having problems with its screen becoming jumbled. The computer runs fine when I place it on a flat desktop. However, when handling it by the base, a bunch of lines/colored squares jumble the screen. If I bend the computer base with my hands, the monitor becomes more or less jumbled. This led me to think that there may be an unsecure connection in the hardware, or the motherboard isn't being properly secured. I tightened the motherboard screws but that didn't seem to help. Also, I connected the laptop to a CRT monitor and got these same results, so there isn't a problem in the connection with the lcd. Thanks in advance for your help!

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Re: Screen becomes jumbled when computer base is handled

I dont have a solution but i have this same problem but mine will do it when its flt to then my computer will not turn on for up to three months we have tryed sending this computer to gateway many times and they say that they will send us a e-mail with solutions but none of them ever do i dont no what to do

Posted on Mar 01, 2008

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Re: Screen becomes jumbled when computer base is handled

It could possibly be the video card, I don't know that much about how hardware is laid out in that model, whether it is an built in card or a connected one so I cannot give you any trouble shooting tips. Do you still have tech support available with Gateway?

Posted on Sep 09, 2006

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Now my screen says gateway very dim and goes black

The screen on your laptop computer is the primary graphical interface that allows you to interact with your Gateway laptop computer. The screen is connected to your computer through video cables located within the base of the laptop. If your laptop will boot up but the screen remains black, it is likely the video or power cable on your Gateway laptop has somehow become disconnected. Reconnecting laptop hardware is a very difficult operation and is not recommended for anyone that is not familiar with computer hardware.

Remove the faceplate of your old laptop by removing the plastic hinges located on the sides of the base. The hinges can usually be removed with your fingers. Open the latches that secure the keyboard to your laptop. Some laptops use screws to secure the keyboard; remove these if necessary and unplug the connector. If you are having trouble finding the screws on your laptop, they are normally located near the corners. Unscrew the screws that connect your laptop screen to its base. The screws will be located near the bottom of the screen's base. Reconnect the video cable and power cord that connect your screen to your laptop and make sure they are firmly connected. Reassemble your laptop to complete the operation.

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Yea i have a gateway 450sx4 laptop and when i turn it on it stays black for a while and when the screen finally turns on it blurry and its different colors and it just shows lines how can i fix this?

It's likely that your screen is "fried" (faulty) ... try to connect your laptop to an external VGA monitor, and see if the screen shows up (on the external monitor) properly. You may have to toggle the output display (device) from computer screen to external monitor ..using Fn+F3.
If it displays on your external monitor properly, it means your laptop screen is no good. You can replace the laptop screen, or just continue to use the external monitor.
If it does the same (blurry & different color, etc.) on your external monitor, then, your video card/module on your laptop is bad. This usually happens less often.

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Does it do this when it's running on just the battery with no AC ,or does it only do it when running on ac adapter ? If it only behaves this way when using the ac adapter,then the ac adapter is bad.
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