for questions about running Linux on laptops.

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0answers
27 views

Lenovo T440s battery status unknown, but charging?

I'm trying to configure my Lenovo on arch linux. The last thing I need to do is get the battery 100% working. Right now it appears that the main battery's state is unknown: ...
1
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1answer
31 views

Debian laptop suspends periodically

My Debian laptop (current release: testing) today started to suspend periodically for some unknown reason. It happens either I'm trying to type something, use mouse or make any other activity. What ...
5
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1answer
40 views

What extras do I need to maximise battery life on a laptop? (And how to stay current)

Now, I know that this question has probably been asked 1000 times - but as far as I can tell, the answer seems to change a lot over time. While researching, I came across powertop, pm-utils, tlp, ...
2
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2answers
120 views

Debian 8 (Jessie) - Laptop stops working after closing the laptop lid

I have a HP15 r007TX laptop with Debian 8 (Jessie) installed. Whenever I close the lid and then reopen, the laptop stops working. It get's stuck showing a blank screen. From there nothing happens and ...
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0answers
51 views

Linux distros unresponsive/unstable on my ASUS X550LN laptop

So I've had this problem ever since I got my laptop last year, it's an ASUS X550LN (Intel i7 4500, 8Gb RAM, Nvidia GT 840M). I'm originally running Win 8.1 64bit and I wouldn't mind dual booting a ...
2
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2answers
156 views

How can I make hybrid graphics(AMD/Intel) work on Ubuntu?

I own a HP ProBook 450 G0 laptop, running Ubuntu 14.04 (3.16.0-33-generic x86_64). This particular laptop has two GPUs and I want to be able to switch between them. I'm looking for a free driver or ...
0
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0answers
59 views

Which Linux Kernel supports a Thunderbolt display port in a PC laptop?

I recently got a PC laptop with a Thunderbolt display. I would like to install Linux but which Kernel version can support a Thunderbolt display?
4
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0answers
56 views

Can I use my SIM card slot to telephone?

My laptop (a Thinkpad T440) has a SIM card slot which is meant to be used for internet, though I haven't tested that yet since I don't have any SIM cards with internet contracts. However, is it ...
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0answers
54 views

How to set up RTLinux on x64 laptop to behave realtime?

I have to set up RTLinux and run a real-time ST language interpreter. The official RTLinux has been abandoned and its official download site does not work. I decided to use community RT_PREEMPT patch. ...
0
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0answers
16 views

aura ash vs x windowing server

I don't completely understand the underlying technology very well, but it seems to me that Chromium OS is based on Aura and Ash and Ubuntu currently uses X Windowing Server with Unity/KDE/Gnome/etc on ...
0
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0answers
53 views

Why doesn't Linux shutdown cleanly?

I'm running Linux Mint with LXDE on Dell Inspiron 1501. Whenever I issue poweroff command, or reboot or shutdown the computer via the graphical menus, it doesn't seem like a clean shutdown. In ...
2
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0answers
71 views

Wifi not working on compaq 6715b running ubuntu 14.04

I'm trying to get WIFI running on an old compaq 6715b laptop. It does not show up in iwconfig, so I assume that I need to install drivers. I've tried using ndiswrapper, and tried "sudo apt-get install ...
1
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1answer
61 views

Enable access to WLAN

I was given a Acer Aspire One A110 Netbook (ca. 6 years old) with Ylmf OS. It's the first time I own a computer running on LINUX. So I am unexperienced with it. So far I get along quite well, but one ...
0
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0answers
88 views

System Boot Order not found (Secure boot is not enabled)

I have this problem http://forums.fedoraforum.org/showthread.php?t=299306. Although this thread is not mine, I experience this problem in familiar way. Also when I put live CD, it cannot boot from the ...
0
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0answers
192 views

Ubuntu 12.04.5 laptop not detecting external monitor

I am running ubuntu on my work laptop. When I plug in my external VGA monitor it mirrors part of the screen (different resolution) but does not appear on my monitor list under System Settings > Screen ...
0
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1answer
65 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
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0answers
184 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
1answer
82 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
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0answers
76 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
231 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
145 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 ...
3
votes
1answer
259 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 ...
0
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0answers
424 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 ...
0
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0answers
88 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 ...
3
votes
1answer
88 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 ...
5
votes
2answers
262 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 ...
9
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0answers
1k 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
101 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
128 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
116 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
6k 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
236 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
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1answer
172 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
433 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
221 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
47 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
120 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
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0answers
309 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
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1answer
180 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
78 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
505 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
166 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
506 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
791 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
965 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
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0answers
347 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
409 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
522 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
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0answers
351 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
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 ...