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Adjusting brightness for my gateway 3520 laptop

I have this laptop and the screen seems really dim but yet wen i put the charger in it gets bright, How do i make it so its bright all the time.

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Most likey the dim screen while running on batteries is the power saving feature. This can be changed in the operating system configuration. Assuming you have Windows, you should be able to right click on the desktop, click Properties then the Screen Saver tab. I have a desktop so I won't see the same details as a laptop. Just go to the appropriate settings & change them to give you higher performance for use with the battery. You may also be able to adjust the brightness with the Function key & another key combination. Look at the blue or green colored silkscreening on some of the keys on your keyboard & maximize the brightness while running on batteries only. Next time you reboot, it should remember your previous settings. Hope this works for you.

Posted on Feb 13, 2010

  • zbuilder801 Feb 13, 2010

    Actually, I just found a setting in the BIOS system setting for the brightness with & without tusing the A/C adapter. I think this is where you need to change it. Change the setting from AUTO to MAX to keep the screen bright. Thsi of course will drain your battery much quicker though.

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Your laptop needs hardware diagnosis.maybe it is grounded already.

Posted on May 19, 2008

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Help Please.


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If it is just somewhat dim but readable, there is probably a hotkey. Gateway laptops are all different.

Google search for your particular model and specifications. you will get the gateway support page for your notebook.

for example if you have an mx6550 enter this at google.com
mx6550 specifications

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