for questions about running Linux on laptops.

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2
votes
1answer
3k views

How to check if my battery is healthy?

My Lenovo ThinkPad T61 is rather old, and a couple of years ago I had to replace the battery as the old one was dead. Now the replacement battery seems like dying a slow death, but I get conflicting ...
0
votes
1answer
175 views

Backlight powersaving: Working in X11, but backlight does not turn off on virtual terminal. Gentoo, Asus EeePC 1015bx

I'm facing a puzzling issue on my laptop, an Asus EeePC 1015bx, which has an AMD C-60 APU and is running Gentoo. Although the screen powersave functions are working in X11, the backlight does not ...
0
votes
2answers
1k views

couldn't ping router, although it offered an IP-address

I've installed Linux Mint 16 on my HP envy 6. It activated automatically the proprietary driver, which recognized the WiFi interface and called it eth1. I could connect to my router, I get the IP ...
1
vote
2answers
323 views

Boot desktop from laptop connected by USB

Would it be possible to have laptop with some Linux, that I would be able to connect to any desktop with USB-USB cable, and boot something from that laptop? (its actual OS or something different ...
2
votes
1answer
4k views

DVD not mounted automatically in Linux Mint Debian Edition

I just installed LMDE on a brand new laptop. When I inserted a movie-dvd for the first time, it was loaded not causing any trouble. But since then, there seems to be no automatic mounting of dvds ...
3
votes
1answer
26k views

How can I fix/install/reinstall grub?

So I started out with a 250GB HDD, the stock drive from an EeePC 1015pem that I am trying to turn into a MintBook. The drive is physically operable, but all data has been nuked, including the old OS. ...
3
votes
1answer
655 views

How long system has been awake / running / since restart

First and foremost I want to know how long my laptop (unix, apple, OSX 10.9 mavericks) has been 'awake' (i.e. how long its been open, or since it last 'slept'). I' also be interested in how long ...
1
vote
1answer
81 views

How to make my laptop safe & secure from any accidents like deleting by mistake?

This should be a general question. This Q sprung my mind yesterday late evening because I accidentally deleted files from another partition rather than from the partition I was intending to do. I'm ...
2
votes
1answer
502 views

Stop laptop keys acting as a numpad with numlock on

I have bought an USB number pad and it's working as expected. Anyway, to use number keys, I need num lock on, and if I turn it on, my keyboard numpad sends numbers instead of the letters... How to ...
0
votes
1answer
141 views

SSH proxy laptop

I run a simple ssh proxy and I am always on the move with my laptop. Having to restart it every time I open the lid and connect to the internet. sshpass -p password ssh -D 9999 root@myvpsip Is it ...
7
votes
1answer
1k views

How can I automatically update my monitor layout in XFCE?

I have a laptop that's normally docked to a large monitor. When docked, I want to use the large monitor as the primary display, with the laptop screen as a secondary display off to the right. When ...
0
votes
4answers
1k views

Trying to get started with Unix on a Windows laptop [closed]

I caught a cold and my brain hurts just looking at the pc screen but I wanna get started learning Unix asap. Basically, I've acquired another laptop and I want to install Unix on it so I can try it ...
0
votes
1answer
257 views

How can I install Ubuntu 13.10 on Asus n56dp-dh11

My laptop has uefi and when I open the bios there is no clear way to tell the computer to boot from USB or CD. I'm very confused on how I'm supposed to install anything, even windows 7 can not load ...
3
votes
0answers
687 views

Dual monitor setup on a laptop: internal monitor peeking through on external display

Recently I began to use my laptop (Dell Inspiron N5020) with an external display. I use the displays side-by-side, internal on the left, external on the right. The problem is, however, that the ...
1
vote
1answer
469 views

Unable to make touchpad work

I'm trying to find here a solution for my long-time touchpad problem. I tried one year ago at ...
6
votes
3answers
22k views

Does the Fn Lock (FnLk) on Thinkpad T440s work well with Linux?

I'm considering to buy a Lenovo Thinkpad T440s and to install Linux on it. According to the user guide and photos of T440s, to use F1-F12 you have to hold down the Fn key, or use Fn+Esc to enable "Fn ...
2
votes
1answer
1k views

My Laptop Fans drive me crazy on linux and much less battery

I have a Vaio VPCEA36FG laptop and both windows.8 and elementary OS (ubuntu 12.04 kernel) installed on it. when I am in windows everything is just fine, fans work perfectly efficient and my battery ...
1
vote
1answer
2k views

My laptop shuts down every time I unplug it

I am using a Lenovo G580 with Linux Mint 14 updated. My laptop shuts off every time I unplug it as if there is no battery even when I am using the BIOS. But, It detects the battery as "84% charging" ...
2
votes
2answers
1k views

ATI friendly distro?

I've been researching on problems with ATI catalyst drivers and there is no fix as far as I can see. I have an ATI Radeon 7470m (HP Pavilion dm4). And I haven't managed to have a properly working ...
1
vote
0answers
101 views

Diagnoising a hardware issue on linux

I have a laptop that completly turns its self off after an unpredictable amount of time. It also doesn't allow for its self to turn it back on after a period of time. To me this sounds like an issue ...
3
votes
1answer
999 views

Closing lid on Crunchbang

I'm running Crunchbang 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 it ...
1
vote
0answers
72 views

udev does not see drm subsystem changes on laptop resume

I am using udev to manage setting up monitors on my ThinkPad T400. I use a docking station, and the desired behavior is that when I dock the laptop, the LVDS output is turned off, and the DVI-0 output ...
1
vote
1answer
594 views

Internal microphone doesn't work on Dell Vostro 3360

I've got Dell Vostro 3360 laptop, and internal mic doesn't work. I use 3.8 series kernel. When I try to record sound from mic I get only weird noise. All sliders in alsamixer are 100% and capture is ...
0
votes
1answer
160 views

from a laptop with CentOS 6.3 what is the command line to talk mysql server on my pc?

I have CentOS 6.3 running on my laptop which is already connected to the net. What is the command line to talk to MySQL server on my PC? Both devices are connected via my router and they can talk ...
4
votes
1answer
420 views

Does UEFI increase battery life?

I've heard about a better power management when using UEFI instead of BIOS. Is that true? It was about energy consumption being more efficient or something like that. If it is true, has the ...
7
votes
2answers
5k 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
250 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
241 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
664 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
2k 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 ...
7
votes
2answers
726 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
940 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 ...
3
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
340 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
1k 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
294 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. ...
46
votes
1answer
40k 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
497 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
343 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
6k 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
274 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 ...
4
votes
1answer
2k views

How to adjust brightness in Fedora 17 on Sony Vaio

I have a Sony E Series laptop with Fedora 17 and Windows 8 in dual boot. The brightness adjusts just fine on my Windows8 but not in Fedora. If I change it with the brightness slider in the power ...
8
votes
1answer
303 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
1k 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 ...
4
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
300 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
972 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
615 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
8k 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
2k 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?