fixed my overheating problem on lenovo t400
location: ubuntuforums.com - date: July 1, 2012
Im pretty new to Ubuntu, but did find a resolution to a problem i was having with my Lenovo t400 laptop in Ubuntu 11.10 and 12.04. I searched for an answer to my overheating problem on many forums and tried lots of things, but this seemed to solve my problem for good, so I thought i would post it. The problem was that t400, which ran at normal laptop temperatures in Windows 7, would become exceedingly hot when running ubuntu. This happened even when the machine was sitting idle.
The problem appears to be related to the BIOS, and to the t400's OS switchable graphics adapters. (I would venture a guess that the t400 is not the only laptop out there with switchable graphics adapters .) The T400 has an integrated graphics device and a discreet AMD Mobility Radeon HD 3400 series.
Ubuntu and the fglrx driver do not seem to know what to do with this hardware configuration.
The solution is to disable the integrated graphics adapter in the BIOS of the laptop. In my
Fedora 18 Loud Fan Hot Batterylife Consumption
location: linuxquestions.com - date: February 1, 2013
I'm a new linux user with no knowledge of linux OS. I have completed a dual boot along with win.7 as the primary OS. I have noticed that when running Fedora 18 my laptop consumes a lot of power as the fan turns on immediately and gets really hot. To confirm my doubt I decided to use the laptop on battery life running F18 and the battery lasted less than an hour compare to when using Win.7 which runs for more than 2 hours and completely silent. I have Gnome version 3.6.2 and recently updated the packages which were required to update by the Linux OS thinking it would fix any bugs and still having the same problem.
I thought I had to upgrade my video card driver [while on win.7] but no luck and I tried to do the same while on Linux and the driver update takes too long to complete with 101.6 MB ....
I would appreciate any tips/help I can get in order to fix this problem and have my laptop run quiet as it does when on Win.7.
Please remember I'm a new Fedora Linux user and I would
General error mounting file system
location: ubuntuforums.com - date: April 13, 2011
I have a dual boot Xp and Ubuntu 10.10.
Recently I was downloading some upgrades in Ubuntu and unfortunately the power to the system got off.
Thereafter on booting it comes to the Grub menu and I'm able to select the OS from the list but if I choose Ubuntu it comes up with a message "General error mounting file system" and the terminal is activated. However, if XP is selected it boots with no issues.
/dev/sda6 is ubuntu installation
/dev/sda7 is swap partition
I went through lot of threads over the net and tried fsck, e2fsck and other variations of that command but at the end all I get the message as
it says sda6 is clean but for sda7 it says :
Superblock invalid trying backup blocks....
Bad magic number in super-block while trying to open /dev/sda7
at the end it suggests
"u might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device>"
refering some threads here I tried my luck with live CD and the command : sudo e2fsck -C0 -p
WARNING for Windows 8 DualBooters
location: ubuntuforums.com - date: April 6, 2012
After several weeks of searching for why my files would disappear after booting into Windows 8 I found out why. I have a Media partition that I use to store my music, pictures, videos, movies, documents, downloads, and pretty much anything I want on both OS's. It was fine when using Windows 7, but Windows 8 has a new way of shutting down. It puts itself into a hybrid hibernation/off state. While this makes boot times extremely fast (less than 10 seconds on a HDD) it deletes all my files because it's restoring it to the pre-hibernation state. (Explained better here.) I'm doing this as a warning to anybody else planning on, or that is currently dual-booting Windows 8 with any other OS. Instead of shutting down, restart. The boot times are longer, but it's better than losing several hours of hard work.
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