for questions about running Linux on laptops.

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0
votes
1answer
30 views

Laptop restarts after lid closed

My laptop restarts everytime I close the lid and open it up again. In System Settings->Power there is no option for what the laptop should do when the lid is closed. The laptop never did this before ...
0
votes
0answers
27 views

nvidia driver [discrete graphics] on Optimus laptop doesn't load

I'm trying to use my ThinkPad W520 with external monitors in a docking station. When I start my computer with [Discrete Graphics] set in the BIOS, systemd loads and then the computer just hangs as if ...
0
votes
2answers
963 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 ...
3
votes
1answer
57 views

How to detect the presence of a battery?

I'm trying to automate desktop setup, and as part of that I'd like to install a battery monitor package only if the machine currently has a battery attached (UPSes and other external batteries are not ...
1
vote
1answer
378 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 ...
0
votes
1answer
42 views

Linux on HP Laptop

I have an HP Pavillion p027 TX Notebook PC with the following hardware: Intel core i3 4030@1.90 GHZ and 4 GB RAM NVIDIA GEFORCE 830 M Broadcom 43142 Bluetooth Broadcom 43142 b/g/n wifi adapter ...
2
votes
0answers
61 views

TCP, UDP, etc. works, HTTP(S) does not

I have been trying to set up Debian Jessie on an old Dell Inspiron 300m. Right now the problem I have is, the ethernet connection only works partially. ICMP works. I can ping IPs and FQDNs. UDP ...
1
vote
1answer
59 views

Brightness keys not working on 3.14+ kernel

I have a dual-boot installation: OpenSuSE 13.2 & Linux Mint 17.1 on Asus k55vd, both 64-bit. I am running a 3.14 kernel on Linux Mint and 3.16 on OpenSuSE. I had encountered that kernels above ...
4
votes
1answer
95 views

Script for “battery level reminder”

I want to plug in the laptop battery charger when the battery level goes down to 40% and then plug it out when the battery charge level reaches 80%. And for that reason, I need a script that would ...
1
vote
1answer
52 views

Why is laptop screen called eDP1?

In my new laptop, using i915 and the intel driver of Xorg, the laptop screen is called eDP1 in Randr $ xrandr eDP1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 277mm x 156mm ...
2
votes
1answer
17k 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. ...
0
votes
0answers
91 views

Where are pm-powersave settings on OpenSUSE 13.2, and are they used?

I am trying to sort out powersaving for OpenSUSE 13.2 running on a laptop. I found this guide: https://en.opensuse.org/Powersaving for understanding Powersaving on OpenSUSE. However, it appears to ...
3
votes
6answers
16k 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 ...
7
votes
2answers
605 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. ...
0
votes
0answers
38 views

OpenSUSE overheating

I've newly installed OpenSUSE with GNOME and LXDE on my Laptop. But suddenly I realised that my Laptop is overheating. Before my Linux Distro was Ubuntu with the Unity desktop and LXDE. Ubuntu wasn't ...
2
votes
1answer
3k 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 ...
5
votes
0answers
635 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 ...
4
votes
2answers
624 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
1answer
132 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 ...
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 ...
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 ...
5
votes
2answers
214 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 ...
2
votes
1answer
2k 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 ...
1
vote
1answer
95 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 ...
1
vote
1answer
40 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 ...
2
votes
0answers
73 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
4k 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
127 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 ...
35
votes
9answers
4k views

Which laptop is most compatible with Linux?

I've always been unlucky with regards to choosing a laptop that I can install Linux on. If it's not the wireless card that's not working out of the box, it's the video card. Also, I'm still not able ...
1
vote
1answer
125 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 ...
0
votes
1answer
168 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
35 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 ...
1
vote
0answers
243 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 ...
0
votes
1answer
88 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 ...
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 ...
1
vote
2answers
127 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 ...
1
vote
1answer
132 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
61 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
1answer
236 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 ...
0
votes
0answers
358 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 ...
0
votes
1answer
282 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
538 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 ...
0
votes
1answer
141 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 ...
1
vote
1answer
193 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 ...
1
vote
0answers
197 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 ...
35
votes
1answer
29k 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 ...
1
vote
3answers
287 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. ...
7
votes
1answer
754 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 ...
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 ...
0
votes
1answer
444 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 ...