Tagged Questions

for questions about running Linux on laptops.

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5
votes
2answers
147 views

Suspend to RAM not working

I get following error when I try to suspend my laptop: failed to check authorisation: GDBus.Error:org.freedesktop.DBus.Error.Service.Unknown: The name org.freedesktop.PolicyKit1 was not provided by ...
5
votes
0answers
127 views

Debian systems seems to recognize speakers but not the headphones for Lenovo laptops

First of All, I know there are lot of questions out there on same topic but still I could not figure out the solution. Being a average system level programmer (beginner in kernel programming) I would ...
1
vote
1answer
23 views

why is my laptop-mode configuration being ignored?

I am running Debian GNU/Linux Jessie (testing) on my laptop. I enabled the systemd laptop-mode service: $ sudo laptop_mode Laptop mode enabled, active [unchanged] and in my ...
1
vote
1answer
69 views

how to fix key lag on laptop on startup in battery mode?

I have an XPS 13 Developer Edition Dell Laptop running Debian GNU/Linux Jessie (testing). When the laptop starts up on battery power, the keyboard is so unresponsive that it is a real struggle to ...
2
votes
0answers
37 views

Switch monitors on ThinkPad W520 while docked

I'm trying to make my (ThinkPad W520) laptop monitor turn on (by itself, with the other monitors turning off) using xrandr when docked and connected to external monitors. My end goal is to ...
1
vote
1answer
2k views

Ubuntu 14.04 LTS - USB 3.0 Low Output or not working

I have a problem with my laptop. Since I've installed Ubuntu 14.04 LTS in dual boot, my two USB 3.0 don't work anymore. Maybe you need to know: My Laptop has 2*USB 2.0 and 2*USB 3.0. One of the USB ...
4
votes
2answers
63 views

Determine status of laptop lid

I have a weird problem where my laptop will wake when it's closed, generating a lot of heat and causing much frustration. Is there a way that I can tell if the laptop's lid is closed so that I can ...
1
vote
1answer
73 views

Does BIOS device whitelist affect Linux?

Starting with 2002, Lenovo (actually, it was IBM back then) started whitelisting the wireless adapters and other devices allowed to be used in their ThinkPad laptops. Some other manufacturers are ...
1
vote
1answer
86 views

Disabling hibernation in debian testing (lxde)

I have a dell inspiron 6000 laptop running debian testing lxde. I can't figure out how to disable hibernation once the lid is closed. Do I modify the systmd files or the lib/systemd/systemd-sleep ...
0
votes
1answer
130 views

Hard disk drive spins up on laptop sleep/wake, can I stop it doing this?

I have in my Arch Linux-running laptop an SSD and an HDD; the latter I use seldom. It is mounted as /mnt/sdb5 and configured to spin down proactively when on battery (/etc/default/tlp, ...
1
vote
1answer
32 views

How to provision software across multiple laptops [duplicate]

I've got a bunch of laptops for my classroom and I'm using Ubuntu. I want to be able to add/update/remove software across them as easily as possible and I'm not sure how to go about it. I was ...
0
votes
1answer
68 views

Which distro for this ancient laptop? [closed]

I have ancient laptop and need a distro for it which will do basic stuff mainly Word processing, Web Browsing, Playing some songs and movies on it. The specs are: Intel Celeron M 440 @ 1.60 Ghz ...
1
vote
0answers
177 views

External VGA monitor port not working on HP Elitebook 2540p running RHEL 6.5

I'm running RHEL 6.5 on an HP EliteBook 2540p. When I connect the external VGA port to a projector or external monitor and press Fn+F3 to switch to the external port, nothing happens. Under System ...
1
vote
1answer
90 views

How to 'simulate' a Fn key

I want to 'simulate' a Fn key of an ASUS laptop running Ubuntu when using a normal external keyboard. How can I do this?
4
votes
1answer
48 views

How can I tell what woke my laptop from suspend? [duplicate]

On other operating systems, there are ways to see what process or event woke them from suspend. I leave my laptop often for multiple days in suspend, sometimes to find that it has woken itself up and ...
0
votes
0answers
227 views

Black screen after installing Arch Linux, conventional fixes don't work

I recently installed Arch Linux on my HP Pavilion dv6 (Radeon HD 6770m graphics card) to dual boot with Windows 7 by following the beginner's guide found on the Arch wiki. After grub loads, I choose ...
1
vote
2answers
84 views

Strategies for userland file encryption without FDE

There are cryptography experts that are concerned over using Full Disk Encryption (FDE) on *nix platforms due to attack surface exposed due to reverse engineering of encryption algorithm when looking ...
0
votes
1answer
162 views

How to make sure that Thinkpad discharges external slice battery first?

The thing is that when an external slice battery pack is connected, the laptop first discharges the internal one. This is a problem because then it is impossible to switch between multiple external ...
1
vote
1answer
346 views

Changing systemd HandleLidSwitch setting during run-time?

The setting HandleLidSwitch is defined in /etc/systemd/logind.conf as follows: HandleLidSwitch=<hibernate,ignore,...> The setting is applied successfully on boot. However, I would like to ...
4
votes
2answers
424 views

WMI-based hotkeys on not working

On my Dell latitude e6540, the WMI hotkeys Fn+Up and Fn+Down are not working. I have all necesary modules compiled in my kernel: CONFIG_DELL_LAPTOP=m CONFIG_DELL_WMI=m CONFIG_DELL_WMI_AIO=m On the ...
1
vote
0answers
110 views

Writing a systemd service to be executed at resume

my Dell laptop is subject to this bug with kernel 3.14. As a workaround I wrote a simple script /usr/bin/brightness-fix: #!/bin/bash echo 0 > /sys/class/backlight/intel_backlight/brightnes ...
1
vote
3answers
183 views

How can one make a laptop remain pingable and continue running its daemons even after the lid is closed?

I'm running Ubuntu 12.04 server on a laptop, and I'm pinging it from another machine. Whenever I close the lid, the pings stop getting responses, and when I open it again, they resume receiving them. ...
0
votes
1answer
380 views

Dell D610 6.5 CentOS Installation - Undetected Network Adapters

I've spent the better part of the day attempting to install CentOS 6.5 on an older Dell D610 laptop, using everything from a Minimal Install to the Full DVD. After multiple attempts I was able to ...
1
vote
0answers
310 views

I can't get any internet connection on Crunchbang, how can I download and manually install the drivers?

I recently installed crunchbang on my Lenovo G505 Laptop, it uses broadcom drivers and I can't get any type of connection. I have tried connecting it with an ethernet cable every way that I could and ...
2
votes
1answer
1k 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
117 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
545 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 ...
0
votes
0answers
13 views

Having driver load after lid opens

I am running crunchbang OS, I need to load the wifi adapter's realtek driver when open the lid since it removes itself every time I close the laptop. Is it better to put the start up script inside ...
1
vote
2answers
98 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
2k 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 ...
2
votes
1answer
10k 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. ...
2
votes
1answer
261 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
77 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 ...
1
vote
1answer
264 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
120 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 ...
6
votes
1answer
505 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
716 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
222 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
503 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
327 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
9k 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
641 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 ...
0
votes
1answer
945 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
706 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
77 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
748 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
58 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
521 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
135 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
309 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 ...