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

learn more… | top users | synonyms

4
votes
0answers
61 views

Can I adjust the minimum brightness for my laptop's LCD?

I'm running Ubuntu Gnome 15.04 on my Dell XPS 13 (9333, 2014 model). The LCD brightness can be controlled by the keyboard, and if possible I'd like to adjust the minimum value and/or adjust the ...
3
votes
0answers
74 views

Suspend and Shutdown not working in ubuntu 15.10

I'm running Ubuntu 15.10 on a razer blade 14 2013 with kernel version 4.2. Everything is currently stock. Unfortunately, suspend (both doing it manually and closing the lid) as well as shut down do ...
3
votes
0answers
210 views

Brightness Ubuntu vs. Kubuntu and Xubuntu

On Kubuntu and Xubuntu the brightness of my monitor goes down to zero (i.e. the backlight got switched off). On Ubuntu this does not happen, the minimux brightness is still with backlight on and ...
3
votes
0answers
157 views

Laptop doesn't suspend when lid is closed - No state change

I have a problem about my laptop that doesn't suspend when i close lid. First the story. I bought a new Acer e3-112. It camed with win8.1 and i upgraded it to win10. Then i shrinked the hdd and ...
3
votes
0answers
135 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 ...
3
votes
0answers
234 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
422 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
239 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
360 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
848 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
42 views

Cursor randomly jumps around

Since I upgraded from Ubuntu GNOME 15.04 with GNOME 3.16 to Ubuntu GNOME 15.10 with GNOME 3.18 (and also dropped some chocolate cake into my computer) I have noticed the cursor randomly jumping around ...
2
votes
0answers
38 views

Disconnect a laptop charger in software?

Short of the question: Are there any particular mechanisms to temporarily switch the charger input on a laptop on or off in software? In particular I am looking at a Dell Inspiron E1505 in my case. ...
2
votes
0answers
27 views

Brightness slider is too fine (14.04)

I'm running ubuntu 14.04 on a Dell laptop (XPS 13 Developer Edition). The brightness slider stopped working (the slider would fill up and empty as usual but the brightness wouldn't change). This fix ...
2
votes
0answers
78 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 ...
2
votes
0answers
46 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
votes
0answers
37 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
votes
0answers
500 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
1k 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
194 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: ...
2
votes
0answers
281 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 ...
2
votes
0answers
723 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
204 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
405 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
226 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
367 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
705 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
votes
0answers
405 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
365 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
118 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
1k 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
42 views

Laptop battery keeps discharging even after full charge (not switching to AC)

The laptop does not switch to AC mode after fully charging. I dualboot and this problem is nonexistent on Windows 10. But on Ubuntu 15.10 it just keeps discharging. I tried fully charging(which never ...
1
vote
0answers
117 views

Why does my thinkpad log in automatically if I lock my screen, shut my lid and then reopen it?

I've noticed some strange behaviour while working today. If I lock my screen with ctrl+alt+l it takes me to the login screen. If I then decide to shut my laptop it suspends correctly. But when I ...
1
vote
0answers
15 views

Laptop Docking Station For Ubuntu Tablets?

Will it be possible for OEMs to offer a laptop docking station for Ubuntu tablets? By laptop docking station, I'm describing a laptop keyboard without a display, but with a dock that can accommodate ...
1
vote
0answers
29 views

My Battery Precentage keeps going Up and Down?

I recently started using Ubuntu 14.04.3 LTS on my Asus K53E laptop, and it was working pretty well since September. But in November I noticed the original battery started get old & hold less of a ...
1
vote
0answers
29 views

Lenovo T540p undocking triggers logout

I recently got a new Lenovo T540p with corresponding docking station and installed Ubuntu 14.04 (and later 15.10 with the same problem) on it. The problem is that whenever I release the laptop from ...
1
vote
0answers
152 views

Kubuntu stuck at flashing logo boot screen

My week old laptop is installed with a dual boot Windows 7 / Kubuntu. On my Kubuntu I've had the issue of the computer not waking up from sleep after closing the screen/lid. I read online that ...
1
vote
0answers
249 views

Serious problems after 15.10 upgrade

Okay revising.... I upgraded my computer from Ubuntu 14.04 to 15.10. It used to load right away but now after the Ubuntu load screen I get: [ OK ] started lab/ postfix mail transport agent. [ OK ] ...
1
vote
0answers
53 views

Ubuntu Mate Black screening problem

So my Acer Aspire E5-511-P2D6 and I decided to install Ubuntu Mate 15.10 (I've been getting this problem with all distros and distribution versions from 14.04+) So I installed it but now I'm getting ...
1
vote
0answers
72 views

How to change screen brightness from commandline on Asus X453?

I'm using the Fluxbox window manager on Ubuntu 12.04. I recently got my desktop into a strange situation, and I'm not sure how! The situation was this: If I close the laptop screen lid and then ...
1
vote
0answers
51 views

New Ubuntu User, Touchpad not working; I know what to do but not how to do it

This article describes the exact problem I'm having. I have the same laptop, same issue. Unfortunately, I'm not knowledgeable enough with Linux yet -- I want to learn more but I really just need to ...
1
vote
0answers
37 views

Dual boot windows 10 and Vivid Vervet keyboard backlight stopped working again [samsung np900x3c]

TL;DR: dual boot win10 and ubuntu 15.04 - keyboard backlight on my samsung np900x3c laptop not working. I've been dual booting Utopic Unicorn along with windows 8 with great success for a long time. ...
1
vote
0answers
61 views

Nothing happens when I close the lid or press power button

I just installed on Ubuntu 14.04.3 on my laptop (Lenovo Thinkpad X230). Everything works fine except: closing the lid pressing power button while the computer is on does nothing, even though I ...
1
vote
0answers
378 views

VLC won't play video via HDMI to TV

When I connect TV and Laptop via HDMI cable and play a movie with VLC I only get to see the ubuntu desktop, not the VLC output. No video, no audio. Under Windows it worked like this. I've googled it, ...
1
vote
0answers
38 views

No WiFi until I close the lid, then open it, need to know why

I have a cheap HP laptop from MicroCenter that works decent, however I've been having trouble with the wifi. If I restart the laptop, the wifi comes up disconnected, nothing I do will give me a ...
1
vote
0answers
13 views

Home/End jumping only a group of characters, not to the begin/end of the line

The Home and End keys on my laptop (reached by Ctrl+arrows) jumps only to the next non-alphanumerical character (like ./_) instead of jumping the full line. I guess this is an optional behavior which ...
1
vote
0answers
58 views

Ralink RT3290 bluetooth no blocked, not work

I follow this guide Ralink RT 3290 Bluetooth Problem on Ubuntu 14.04 and when I type rfkill list all = 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no 3: hci0: Bluetooth Soft blocked: no ...
1
vote
0answers
28 views

Strange battery behavior after updating from 14.04 to 15.04

I'm using HP machine with Intel Pentium N3520 and 4GB RAM. I recently updated to Ubuntu 15.04 and facing issues with battery, which is behaving like anything. It does not charges when operating system ...