Questions about laptops in relationship to Ubuntu. Common subjects are trackpads, batteries and wireless cards.

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5
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0answers
951 views

How to count battery cycles?

Like most users that have searched know, Manufacturers ACPI implementation is a mess and for most of our laptops, battery info is unavailable or wrong (on a dell inspiron 15z, the rate is divided by ...
4
votes
0answers
602 views

Execute a shell-script when closing laptop lid

Now I have two scripts and I want to execute them respectively when I close the laptop lip and open it. How can I do this?
4
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0answers
1k views

Thinkpad T530 with Optimus and Docking Station

I have a Lenovo Thinkpad T530 with Optimus video, which is not supported on 12.04.1. I don't normally need the discrete (nVidia) graphics, so I turn it off in the BIOS settings to achieve longer ...
3
votes
0answers
131 views

Lowest brightness setting turns backlights off

I am running Ubuntu 14.10 on a Laptop. When I turn my brightness to the lowest setting it actually turns my backlights off and my entire screen goes black as if my computer was turned off. I have ...
3
votes
0answers
362 views

Fn key combination *suddenly* stopped working for brightness only

I've looked at most of the questions relating to enabling hardware brightness control under Ubuntu with the Acer Aspire S3 laptop; initially these fixes worked, under the initially installed kernel ...
3
votes
0answers
235 views

Switched to Compiz for OpenGL on Xubuntu 12.04, now laptop screen doesn't turn on after a suspend

I recently added the CompizConfig settings manager to resolve screen tearing while watching full screen video (it worked! no more tearing!) but now every time I close the laptop screen and the system ...
3
votes
0answers
319 views

Laptop brightness keys have a delayed effect or none

My laptop is a Gateway NV52L03H, Amd Radeon HD 7520G using the AMD FGLRX drivers. Most of my laptop's Fn (function) keys are working properly and as they should. The only one misbehaving are the ...
3
votes
0answers
753 views

Passive cooling on laptop

I have a Dell XPS 15 laptop (model number l502x). In both windows 7 and windows 8, I have been able to select power options (power saver, high performance, etc.). In the configuration settings for ...
2
votes
0answers
68 views

How to link brightness button to correct brightness script

I recently upgrade my Ubuntu from 12.04 to 14.04. My laptop has always had incomtibility issues between the brightness button and the actual brightness set up. In 12.04 I had fixed the problem by ...
2
votes
0answers
23 views

How do I make my display blurry?

This is a weird question, I know. I recently bought a new laptop (Dell Inspiron 15 3000 series). My old laptop was a Toshiba, and the screen was grainy, which made everything look a little blurry. At ...
2
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0answers
24 views

Laptop slowing down

A few months ago, I installed 14.04 LTS on my Acer Aspire 5250. Ubuntu ran great. Slowly but surely, it is slowing down more and more. I don'tknow what the cause of this could be. I haven't installed ...
2
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0answers
136 views

ubuntu 14.04.01 closing lid freezes laptop

I have a thinkpad yoga s1 with i7 cpu, hd4400 graphic card and Ubuntu 14.04.01 installed. The computer freezes when closing lid but if I suspend it before I close the lid, it won't freeze next time ...
2
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0answers
344 views

SD card won't mount (or even be recognized) after resuming from suspend

My 32GB SD card (FAT32) does not have any problem mounting perfectly if my laptop (running Ubuntu 14.04) never goes into suspend (after I close its lid). But once I re-open the lid, retyping my ...
2
votes
0answers
538 views

How to disable automatic brightness adjustment in Ubuntu 14.04?

I am running Ubuntu 14.04 LTS on a Dell 3542 laptop. My problem is that screen brightness changes depending on content. I think this is called automatic (or dynamic) brightness adjustment, as I stated ...
2
votes
0answers
645 views

Problems with connection laptop to TV via HDMI

Sorry for my English. I am from Russia. Laptop - Compaq presario cq61. Ubuntu 13.04 TV - Panasonic - VIERA TX-PR42C11 I need connect my laptop to TV via HDMI. When I had proprietary driver nVidia I ...
2
votes
0answers
1k views

External screen detected but not working on DisplayPort connection

I'm running up to date Raring on my Thinkpad X220 and stumbled upon weird problem. I can connect to an external 24 inch DELL U2312HM external screen using DisplayPort cable. I tried the same ...
2
votes
0answers
1k views

Ubuntu 13.04 won't boot up Hangs at purple screen

So after many months, I decided to completely remove windows 7 from my laptop and replace it with ubuntu. Unfortunately, I got the common error of getting a hanging purple screen upon boot up. I ...
2
votes
0answers
172 views

LAN not working while laptop on battery

My wired LAN is not working when my laptop is on battery - anyone out there who knows where to look for a solution? Strange thing is, that the LAN port is not entirely switched off, as there's light ...
2
votes
0answers
398 views

Ubuntu 12.04 wifi problem

I just installed Ubuntu 12.04 on an HP Pavilion dv6 laptop. After install the wifi card is working but when i try to connect to my secured wifi router it will show as connected but no internet ...
2
votes
0answers
220 views

Option to connect to WiFi disappeared after upgrading

I installed Lubuntu on to my Presario V5000 today off my old 12.04 disk. I installed all the updates then upgraded to 12.10 I was hooked up to an Ethernet cable to update it and before I saw firmware ...
2
votes
0answers
364 views

Ubuntu 12.10 wireless network disconnects with Samsung NP350E7C-S05NL

I have just installed Ubuntu 12.1O on my new Samsung NP350E7C-S05NL laptop. The problem is that it wireless internet keeps disconnecting, after a few minutes working, and I have to continuously ...
2
votes
0answers
607 views

Lenovo u310 will not charge when turned on

I've looked around and had several friends have a look but we cannot figure this out. I am running Ubuntu 12.10 on a Lenovo U310. The laptop charges fine when the laptop is off but it will not charge ...
2
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0answers
377 views

Laptop touchpad enable/disable problems

Whenever I use my external mouse with my laptop, I physically disable the touchpad by pressing a button. Ubuntu detects this switch correctly, and will display an overlay that shows the current state ...
2
votes
0answers
314 views

How to change Laptop screen's contrast?

I use Xubuntu 12.04 on a Samsung ultrabook (series 5 ultra). How can I adjust the contrast of the laptop's screen?
2
votes
0answers
115 views

Which logs will tell me about the Touchpad and Keyboard locking up?

I have an Asus N53SM laptop that I leave running for several weeks at a time. I never put it in hibernate or suspend, I only close the lid when I'm not using it. After a few days or weeks of running, ...
2
votes
0answers
984 views

Laptop won't connect to Wi-Fi router

I have Ubuntu in one of the laptops I own. Since yesterday, and for no apparent reason, it is not able to connect anymore to my Wi-Fi router (I tried to forget the network and disabled security, ...
2
votes
0answers
1k views

External display not detected on Lenovo T520

In Ubuntu 12.04 64bit, I installed nvidia-current-updates and enabled the discrete NVIDIA card only in BIOS (Optimus completely disabled). Ubuntu uses the nvidia driver but fails to detect an external ...
1
vote
0answers
27 views

Disable “Could not switch the monitor configuration”

Is there a way to disable the popup that says "Could not switch the monitor configuration"? I am only interested in disabling the popup, not fixing the underlying problem. I am constantly ...
1
vote
0answers
18 views

Ubuntu crashes during installation

So I have been trying to install Ubuntu on my old Laptop (HP pavilion dv6) However during the installation of ubuntu my it seems to crash and restart to windows when I choose 'Install inside of ...
1
vote
0answers
15 views

Why can't I select Suspend as on-lid-closed action for AC?

When I go to "Power" and try to select "suspend" when laptop lid closed, on AC power, I find that suspend is greyed out, disabled. I don't understand why. Suspend works fine when on battery. I'm ...
1
vote
0answers
47 views

Laptop won't wake from suspend mode using wireless keyboard or mouse

I'm new to Ubuntu, just loaded the operating system because I want to learn more about it. I'm using a laptop as a desktop with a second monitor (used as my primary) and a Microsoft natural ...
1
vote
0answers
23 views

Recommended distribution for my laptop (problems with Ubuntu on HP Probook 655 G1)

I'm very new to Linux and after I installed ubuntu, I was pretty satisfied and could handle it pretty well. But I had several problems with my HP Probook 655 G1. Sometimes when I boot up, it won't ...
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vote
0answers
39 views

USB Devices stopped working on laptop

A few days back, all USBs stopped working. If a mouse is plugged in, it lights up but that's it. If I plug in a flash drive I get the following messages in dmesg: [ 112.117019] usb 2-1.3: new ...
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vote
0answers
47 views

Backlight control broken on 14.04 on Lenovo U310

I'm unable to change the backlight brightness under 14.04. habefaro@habefaro-Lenovo-U310:~$ uname -a Linux habefaro-Lenovo-U310 3.16.0-34-generic #47~14.04.1-Ubuntu SMP Fri Apr 10 17:49:16 UTC 2015 ...
1
vote
0answers
39 views

Missing battery/power indiciator

I'm on a fresh install of Ubuntu 15.04, and the battery indicator seems to not be present. It doesn't appear on the login/lock screen either. I found this answer from back in 2011, however none of ...
1
vote
0answers
17 views

Can't get past the ubuntu loading screen

When I try to get onto my laptop it stays at the ubuntu loading page with a flashing _ at the top left corner. I pressed ESC and it halts at this: stopping send an event to indicate plymouth is up
1
vote
0answers
85 views

Ubuntu very slow startup

My new laptop is taking very long (a few minutes) until it reaches the log-in screen. Here is the output of dmesg: http://pastebin.com/MuW79kVd I think the important part is the following gap in ...
1
vote
0answers
51 views

How To Increase Screen Resolution?

I have a 1600x900 monitor attached to a 1280x768 laptop, only the latter resolution is available, how do i increase it to my monitor's max resolution? the xrandr result is: Screen 0: minimum 8 x 8, ...
1
vote
0answers
47 views

15.04 Could not set configuration for CRTC63. Booting lid closed

When I boot my Dell Latitude E7440 laptop, an error dialog is show on login screen: Could not set configuration for CRTC63. If the lid is closed during boot, the disk crypto login is shown on ...
1
vote
0answers
40 views

Display Settings on AC and Brightness key

I have recently installed Xubuntu 14.02 on a Lenovo Thinkpad E555 I got everything working however I have had these problems: When connecting AC power to the computer the Display Config comes up. ...
1
vote
0answers
175 views

14.04 Mouse and Keyboard issues with a fresh install

I have what I think are two unrelated issues with my laptops keyboard and a USB mouse. Keyboard: When I turn on the laptop everything boots up fine. Once I get to the login screen however my laptops ...
1
vote
0answers
93 views

Ubuntu (14.04) freezes on laptop when disconnected from power

I have Ubuntu 14.04.1 installed along windows 7 (dual boot). My laptop is a HP Compaq 6710b which has an Intel CPU and an Intel graphics card. When I boot my laptop on the power adapter, no problems ...
1
vote
0answers
127 views

Errors While Installing laptop-mode-tools

I'm receiving the following errors when trying to install laptop-mode-tools. Xubuntu 14.10. Kernel 3.16.0-25-generic. Setting up laptop-mode-tools (1.64-1ubuntu1) ... sh: echo: I/O error sh: echo: ...
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0answers
111 views

Battery only charges to 85 after 2 weeks

I'be been continuously using my new laptop HP 250 G2 for two weeks (always connected to the AC wall). The status was always fully charged. Yesterday I decided to run it on batteries until the power ...
1
vote
0answers
452 views

Ubuntu 14.04/14.10 multitouch screen support

I have a Dell E7240 laptop with a multitouch screen. It works perfectly in Windows 8 with multitouch gestures. However Ubuntu 14.04/14.10 seem to ignore multitouch gestures coming from the screen and ...
1
vote
0answers
217 views

Prevent auto mounting a device in 14.10

Now i know that there is an answer out there at Prevent a specific USB device from auto-mounting for 13.04. But there isn't enough specificity in the accepted answer for what i am looking for. My ...
1
vote
0answers
141 views

Apple Cinema LED Display: using regular brightness controls?

I have a Dell Latitude E6430 laptop, running Ubuntu 14.04, connected to a 27" Apple Cinema LED Display (which works fine). By tweaking the appledisplay kernel module a little bit, I can even get ...
1
vote
0answers
431 views

Laptop battery indicator problem in Ubuntu 14.04

After I installed Ubuntu 14.04 (before I had Ubuntu 13.10), the battery indicator stopped working properly. It always shows the battery level that was at the start up (when I open the laptop and boot ...
1
vote
0answers
362 views

Ubuntu Hangs a lot even when 3 or 4 apps are working

I have a Samsung NP300E5C-A0CIN Laptop with 2 GB of ram, intel i3 processor. I have installed ubuntu 14.04 alongside windows 8.1 My laptop tends to hang a lot, especially while browsing the web both ...
1
vote
0answers
156 views

How to limit the speed of laptop fan using i8kmon configuration?

I have a problem with my Dell Inspiron N5110 laptop overheating. As a solution, I used i8kutils with this config: # Run as daemon, override with --daemon option set config(daemon) 0 # Automatic fan ...