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Question about Acer Aspire 1400LC Notebook

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Graph Resolution Problem

Hello, I've been having this problem for months now and couldn't find anyone that had a solution...My resolution is stuck on the lowest resolution (640 x 800) and I can't get it back to the normal (1024x ..) resolution. A few months ago, my screen used to change resolution but when I restarted the laptop it was normal again...Now since January, it won't go back to normal. I've tried changing it, when I click on apply the laptop restarts, takes ages to get logged on and then finally the resolution is the same (640x800). I've asked someone to help me, but all they could tell me was to save all my data and re-establish the system, which i've tried, but the calendar that comes up (that asks you to what date you want to re-establish it to) only goes to February 2007. Even choosing one of those dates, I can't get the resolution back to normal... If anyone has had the same problem or can help please tell me, thank you very much!!! Cheers

Posted by Jean-Baptiste... on


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John Anderson

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Hey, sounds like you need to reinstall the graphics card drivers, you should go onto acers website and look up your model under support and download the graphics card driver and install it again on your machine should work fine after that :-) All the best John

Posted on Mar 12, 2007


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Hello try to renew the graphic driver from here:

Please choose the graphic card model in selection box.

Remember also to choose your windows system.

My advice is to uninstall all the the old software, before you install the new.

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I can't get the native resolution in Win7 (just reinstalled the SO). I want a 16:9 resolution, but I0m stuck in 4:3...Thanks.

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You need to install the drivers for you graphics card.

Go through my published guide entitled, How to install Graphics Drivers, Nvidia and AMD Radeon!!!

Then once you has successfully downloaded and installed the video driver you will then need to go through another short informative guide entitled How to set your Desktop Screen Resolution?

There that should get you to run at the 16:9 resolution!

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I have answered this question multiple times. I have no idea why you calculator refuses to allow you to choose more graph styles. Maybe you should reset it by clearing the RAM.
Concerning the connected asymptotes.
In truth your function has one aymptote namely the straight line x=2 but your graph has two asymptotic branches, one tends towards -infinity, the other toward + infinity. That they seem connected is an illusion due to the finite resolution of the screen. This is made worse if you select a connected graph instead of a dotted one. I am enclosing a screen capture of the graph for the same function, drawn on a calculator with better resolution.


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I hope it solves your problem. If it does not, do not blame me, and remember that I tried my best.

After restarting for an automatic update my desktop was in a "default" arrangement and the resolution was changed. I attempted to change it back but must have set it to the wrong res, cus the screen went...

Yes video drivers need to be updated then go back where you went to change the resolution and click keep this resolution I think you mistakenly told not to accept it this happens.

Please leave postive feedback and ratings today

Btw, I’m available to help over the phone in case u need at


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