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Acer Aspire TimelineX AS3820T-7459 13.3-Inch Laptop
Issues and fixes
Here are instructions for getting the UB VPN working with Ubuntu: UB_VPN_Ubuntu.pdf. Courtesy Cynthia Cornelius and Sam Guercio.
Parallel matlab fix:
some computers are having issues loading matlabpool. the fix is
distcomp.feature( 'LocalUseMpiexec', false )
You can also create a startup.m and put that command in. When you start Matlab, it'll autoload the command for you. (for me, it worked fine in the default folder.) (source: http://www.mathworks.com/matlabcentral/newsreader/view_thread/280841 http://www.mathworks.com/help/techdoc/ref/startup.html )
Screen brightness adjustment
I have successfully been able to adjust the screen brightness. There is a page for problems related to our Acers here: http://www.uluga.ubuntuforums.org/showthread.php?t=1481995
The applicable code is as follows:
sudo gedit /etc/default/grub
In the file, change:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux"
and save. Back in the terminal, enter
and you should be good to go (you probably have to restart, I don't remember).
Also note that that page has some other fixes listed. The only other one I tried was for the multitouch support, which didn't seem to work for me.
Solution of this issue can be found here: http://ubuntuforums.org/showthread.php?t=1472195 look at the user farbird. Basically, you open the terminal, then type:
sudo rmmod psmouse
[here you may be asked for password, enter your password and hit enter. Then type]
sudo modprobe psmouse proto=imps
[if proto=imps doesn't work, try proto=exps then try the touchpad and see if scrolling works. Then type]
sudo nano /etc/modprobe.d/options
options psmouse proto=imps
then press CTRL-X and press Y and reboot PC.
Please put new entries and updates at the top.
Touchpad not fully functional
John Ringland January 13, 2011, at 11:51 AM
OS: Ubuntu Linux 10.10
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