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6
votes
2answers
4k views

How do I make Powertop's suggestions permanent?

When I run Powertop, and look at the Tunables screen, about twenty things are listed as Bad. I can toggle these to Good by pressing enter, and when I do so, projected battery lifetime doubles. How ...
2
votes
3answers
216 views

Find number of fans in a laptop

My laptop is always hot and CPU temp is about 80°C. I guess one of laptop fans is corrupted and another one spins in high RPM, because I hear the sound of fan speed which it is most of time is high. ...
2
votes
3answers
214 views

Can not change brightness on Toshiba P855 - tried every distro already

I'm trying to use Linux on a Toshiba P855 laptop. And I have one big problem: the screen brightness can't be changed, and stays at maximum. Tried different distros, also tried many boot options in ...
2
votes
3answers
460 views

What distro will use less resources for a laptop? [closed]

Currently I'm in doubt: I'm getting a new Dell Vostro 2520 with 4 gigs of memory. The problem is that I'm Ruby/ ex-PHP developer and may have to work with quite big projects. Probably simultaneously. ...
3
votes
4answers
1k views

How to disable energy saving on notebook screen when using Scientific Linux 6.3?

So there is a notebook that has Scientific Linux 6.3 installed with GNOME 2. If we don't press any button on the keyboard or move the mouse, the screen of it turns black. But: if we move the ...
6
votes
2answers
525 views

How can I save/restore window positions when I undock/dock my laptop?

I have a laptop with a docking station that has a large monitor connected to it. When the laptop is docked, I use the monitor as my primary display, and the laptop screen as a secondary display. ...
1
vote
1answer
836 views

Laptop falls-back to Vesa video-driver

I own Dell Inspiron 15R SE (7520) and I have installed Arch Linux on it. It seems that I have two video-cards so I have installed both drivers + Vesa driver (pardon me if that's wrong). dagrevis@haze ...
2
votes
0answers
3k views

WiFi not working - wlan0 FAILED

My Arch (3.6.5-1) is exhibiting a rather peculiar problem: when wifi is set up, all logs indicate that the setup was successful and that the interface is up and functional. However, when attempting to ...
1
vote
0answers
276 views

How to disable nvidia ion on Asus eeepc 1201NL?

It seems that my netbook consumes battery too aggressively. I've been told that Nvidia ION videocard embedded into it has 2 cores and one of them is consuming battery all the time in Linux, since it ...
10
votes
8answers
726 views

How to read the messages during power off

I'm using Lubuntu 11.10. Every time I turn off my Sony Vaio I can read FAIL in red letters. But I can not read. I tried to take a photo, but not success. Well, I was not worrying about this but ...
3
votes
1answer
264 views

Issue with laptop screen when opening lid

I use Archlinux, with acpid to configure the laptop lid behavior rather than systemd. Currently, I have it set so vbetool sets dpms off when the lid is closed, and reopening the lid sets it back on. ...
32
votes
1answer
24k views

How to disable auto suspend when I close laptop lid?

I'm using archlinux. It never auto-suspend before a recent system upgrade(maybe I updated the kernel?). I think it is related to laptop-mode or acpid, so I stop them: /etc/rc.d/laptop-mode stop ...
2
votes
0answers
406 views

How to use Sony VAIO buttons to lock the screen?

I have a Sony Vaio VPCEG laptop, like this. I'm using Lubuntu 11.10. I'd like to use those 3 buttons (Assist, WEB and VAIO). They work with Windows 7, to recover the system and to open the browser. ...
5
votes
1answer
280 views

Has anyone actually tested laptop battery life under different CPU governors?

In theory, switching from the ondemand governor to conservative should save battery life on laptops. However, I don't think I've ever seen any tests done to verify this or show how significant a ...
4
votes
3answers
5k views

No sound on speakers, headphones ok

My Laptop (Dell Vostro 3300) internal speaker (yes, it's mono) is mute already for some time, and I was just patient with this problem, because the sound quality is ridiculous anyway and I always used ...
3
votes
1answer
250 views

Fn+F2 does not UNMUTE

I am using Lubuntu 11.10 (original, not Ubuntu + LXDE) on a Vaio VPCEG series. After install of some network manager, my key Fn+F2 got a different function. It's printed on it the blue symbol for ...
8
votes
1answer
278 views

Power saving enables touchpad

I've installed power saving packages (bumblebee, laptop-mode-tools, and cpufreq) to my laptop with Debian Wheezy. Thanks to that I decrease power usage from 32W to 10W. But now I faced the issue that ...
4
votes
2answers
964 views

What steps do I need to take to successfully install multiple linux distros on my computer?

I want to put my old laptop to use and install several of the most popular Linux distros on it. I currently have Windows 7 on it. My question is: How do I create a set up such that when I start the ...
3
votes
2answers
2k views

Wireless mouse freezes frequently for a second on laptop, when on battery

I have Samsung NP360E5A-A07PL laptop with ELAN Smart-Pad (ETPS/2 Elantech Touchpad, according to gpointing-device-settings), and a Logitech M195 wireless mouse (with an USB receiver). On Linux ...
4
votes
2answers
277 views

Linux flavor for beginners

I bought a new notebook (HP Probook 4530s - i5, 4gb RAM) which has just DOS on it. The idea is to install a flavor of Linux which can serve as an alternative to Windows for my regular work (software ...
3
votes
1answer
806 views

sysrq won't reboot with a keystroke, but will with echo “b” > /proc/sysrq-trigger

CentOS 6.2, 2.6.32-220.el6.x86_64 laptop. SysRQ is enabled for keyboard input, as is witnessed by: $ cat /proc/sys/kernel/sysrq 1 Common Magic SysRQ Keys are working such as alt-sysrq-h. However, ...
0
votes
0answers
553 views

upstart-udev-bridge is using 100% CPU (and a known fix doesn't help)

I'm running Linux Mint 12 on a Latitude D630 and every time I start my laptop (and sometimes when I come back from being suspended), top shows that upstart-udev-bridge is using 100% CPU (and if I do ...
4
votes
2answers
6k views

What are the ramifications of not having a valid partition table?

I recently upgraded my Ubuntu from 11.10 (Oneiric) to 12.04 (Precise Pangolin) on a Dell Inspiron B130 Laptop. When I run fdisk -l it says that my HD doesn't contain a valid partition table. I have ...
0
votes
1answer
1k views

Can the Linux kernel be compiled on Mac OS X 10.6.8?

I have a Macbook Pro and I want to build the Linux Kernel. Can I build 3.3.6 on my Mac? How?
13
votes
1answer
2k views

Is disabling barriers for ext4 safe on a laptop with battery?

The manual page says about the barrier option for ext4: Write barriers enforce proper on-disk ordering of journal commits, making volatile disk write caches safe to use, at some performance ...
1
vote
1answer
620 views

Linux on Lenovo Z575 - no display after installation

I am trying to install Linux on Lenovo Ideapad Z575 (AMD). When I run Ubuntu or Fedora from a LiveCD, I got some initial screens (purple screen with small icon for Ubuntu, some information screen ...
3
votes
1answer
786 views

Why doesn't my laptop fan ever spin down?

My laptop fan is always active, even if CPU usage is really low (less than 5%). I have a Vaio laptop with Linux and Windows, but this problem only happens with Linux.
6
votes
3answers
8k views

Connect 2 laptops together in dualhead mode?

This probably isn't possible, but I thought I should ask just incase I'm wrong. Is it possible to connect 2 or more laptops together and drag files/folders from one screen to the other as if you were ...
0
votes
0answers
144 views

Network Interfaces Don't Exist After Loading Modules

I installed SourceMage Linux on my laptop and the ethernet and wireless interfaces don't exist after loading the required modules (tg3 and ath9k). On other distros (Xubuntu, aptosid) the networking ...
8
votes
2answers
574 views

Any relatively new binary distro causes kernel panics

I'm having trouble using any relatively new binary distro on this machine. The last binary distro to work without issue was Ubuntu 8.04. I'm currently using Gentoo with the latest 3.2.1 kernel and ...
3
votes
6answers
15k views

Black screen at boot with Mint and Ubuntu live CDs

I just bought an HP pavillion g6 laptop, with the hope of installing Linux on it. I have now tried both Linux Mint (my first choice) and Ubuntu, and both simply give me a black screen from the moment ...
5
votes
1answer
6k views

Acer Aspire S3 or Asus Zenbook Ultrabook for running Linux (Ubuntu / Debian)

I'm curious if anyone has had success with running Ubuntu or Debian on the latest Ultrabooks. Specifically, the Acer Aspire s3 or the Asus Zenbook? I have had an Asus UL30a since they came out, ...
1
vote
1answer
187 views

Install r5u87x on FreeBSD

I need to install Ricoh r5u87x webcam loader on FreeBSD, because it solve not suspending in unix/linux boxes on my vaio laptop as I try it in UBUNTU, but the loader is simply for Linux, I think. Is ...
7
votes
4answers
2k views

Switch off syslog on laptop?

Is there any point in keeping logs on my laptop? This is not a server to debug problems via syslog. I occassionally want to look at dmesg | tail but that does not mean I need anything on disk. Wastes ...
3
votes
1answer
773 views

Toggle going to sleep when laptop lid closes?

I'm running Fedora 15 Gnome on a laptop. I can't seem to find an option to toggle if the laptop goes to sleep when the lid closes. There are certain times where I want to put the laptop away or close ...
5
votes
2answers
4k views

Powertop tunables: what does it do?

I just installed Powertop 1.98 on my laptop (T420 + FC15). There is a section called "Tunables". Half of my devices show as Bad. I see I can toggle from Bad to Good? What this section is for? What ...
2
votes
1answer
178 views

Fedora 15 address collision on Compaq CQ41?

I keep getting an address collision warning at boot time, between ACPI and Video Rom. If I add acpi=off to grub.conf the error goes away, but then I have no power management (battery icon, proper ...
4
votes
1answer
379 views

If I close the laptop lid the next boot fails

I never shutdown my laptop. I use hibernate instead. Hibernate and suspend are working, but if I close the lid after clicking "Hibernate" the next boot will crash. I see a black screen that never goes ...
1
vote
1answer
145 views

First steps: installing a compatible Bluetooth card to my laptop? [closed]

I'm looking to install a Bluetooth card to my laptop, as it currently doesn't have Bluetooth support and I'd like to get away from having to use an external USB dongle. I own a Gateway NV51 series ...
2
votes
1answer
857 views

fedora on the asus transformer?

Can you run fedora on the Asus Transformer? The form factor looks great, battery, having a tablet, etc; also, if/when gnome3 gets all touchy (sorry for the pun there), it'll be perfect for the ...
3
votes
1answer
2k views

How to configure Xorg for a dynamic dual monitor setup

I have a laptop usually (!) connected to an external monitor. Now I want to configure (if possible without any scripts and/or xrandr) xorg such that If the external monitor is connected AND the ...
3
votes
0answers
1k views

Make laptop to wake up by keyboard and mouse

The only way I can wake up my laptop (HP Elitebook 8460p) from suspend is by pressing the power button. Neither the built-in keyboard/mouse nor the external ones (connected via USB) wake the laptop ...
3
votes
3answers
3k views

How to extend my desktop to a second connected screen

I'm sure the answer to this question was already presented here in some where, but a quick search (here + Google) didn't find it. I connect a screen to my laptop, and it's blank. How do I extend my ...
1
vote
1answer
2k views

Laptop web cam not recognised by Linux Mint

I am new to Linux and I have a 64-bit Linux Mint 10 but it does not recognise my Lenovo Y650 camera. When I try to open the Video4Linux Control Panel, I get the following error: Unable to open ...
7
votes
2answers
587 views

No sound when attached to docking station

I have been using Linux and Ubuntu only since the last two months on my (2006) Sony Vaio VGN A617S laptop which is going pretty well on Ubuntu 10.10. When installing Ubuntu audio did get installed ...
3
votes
4answers
4k views

I can't adjust screen brightness of my laptop anymore

My laptop has keyboard buttons for adjusting screen brightness. After a Debian Squeeze re-installation, they don't work no more. [laptop] Acer TravelMate 6592; I use Fn< to decrease the brightness ...
13
votes
6answers
1k views

Ideal Hardware for GNU/Linux Laptop

What's the best way to find a laptop with hardware that is amenable to installing and running GNU/Linux? I'm looking for something that will ideally work with GPL'd drivers and/or firmware. I took a ...
14
votes
3answers
2k views

How to use three monitors on a laptop?

I have a laptop running Ubuntu 9.04 with a dual-head setup: laptop panel + external monitor. I'd like to add another monitor but the laptop has a single VGA port, so my question is: what are my ...
4
votes
1answer
298 views

Grub error 21 unless both sd card and live-usb are present

I'm not sure exactly how my EEE PC got to this point, but I have Backtrack (an Ubuntu-based distro) on the SD card, and a few different Ubuntu LiveUSB distros on different USB memory sticks. If both ...
2
votes
1answer
3k views

What is the Linux equivalent of the Windows registry?

I have a DVD+-RW drive that has quit working. Apparently many users of this laptop model experience the same problem under windows and are required to edit the registry to correct the problem. So ...