Laptops forum


POST text is bright; everything else displays dimly

by paul1149 / March 8, 2012 1:21 PM PST

I have an Acer One D250 that I'm running through an external monitor until I replace the broken screen (which I've disconnected).

The initial POST screen is nice bright white text. But everything thereafter is dim, including the BIOS screens and a Linux disk that I ran. I don't have a hard drive or Windows for the machine yet.

I know the external monitor is good. What would allow the POST to display correctly, but then make everything else dim?


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All Answers

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Usually a damaged motherboard.
by R. Proffitt Forum moderator / March 8, 2012 1:32 PM PST

Since post is done in some other video mode, it's likely the machine needs repairs.

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by paul_1149 / March 9, 2012 5:33 AM PST

I suspected a mode change also. I awoke this morning with the thought that I need to flash the bios, if only to eliminate it as a possibility. I did so, and now the Post screen is mostly bright, but the bottom two lines are dimmer.

I then loaded Puppy Linux from a stick, and the screen seems to be about 85% of where I think the brightness should be. I'm not getting the netbook's built-in brightness keys to work in this mode, so maybe they're Windows driven? Not sure how all this fits together. I'm going to go ahead and build the machine and see how it turns out.


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On the Aspire One I have
by R. Proffitt Forum moderator / March 9, 2012 5:36 AM PST
In reply to: progress

Brightness is controlled/set by a HELPER APPLICATION. The office has over 20 makes of laptops and frankly I wish Microsoft has consolidated this into the OS.

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