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

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5
votes
0answers
116 views

“monitor brightness down” key resets brightness before lowering it

My monitor brightness down key resets my brightness before lowering it, effectively leaving me at near max brightness. I do not experience any problems with the brightness up key. I'm using a Dell ...
4
votes
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
306 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
684 views

How to count battery cycles?

Like most user that have searched about knows, Manufacturers ACPI implementation is a mess. And for most of our laptops, battery infos are unavailable or wrong (on a dell inspiron 15z, the rate is ...
3
votes
0answers
229 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
467 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?
3
votes
0answers
286 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 ...
2
votes
0answers
78 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 ...
2
votes
0answers
588 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
143 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
396 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
358 views

Wrong battery state reading cause brutal shutdown

I have an Asus Zenbook UX31A, the Asus 13" unit from first generation ultrabooks. I run Ubuntu 12.10 up to date on it. Before a week or two I used to enjoy more that 5 hours of battery life, ...
2
votes
0answers
212 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
356 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
658 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
552 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
353 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
289 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
114 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
935 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
994 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
58 views

Battery discharges while AC is plugged in

I have a problem with my VN7-571G-56N0. My battery is discharging while the AC is plugged in. If i plug in the power cord, after i used the notebook with battery only, it charges it, but when i ...
1
vote
0answers
142 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 ...
1
vote
0answers
103 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
69 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
54 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
327 views

Ubuntu 14.04 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 seem to ignore multitouch gestures coming from the screen and they ...
1
vote
0answers
160 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
91 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
304 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
261 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
118 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 ...
1
vote
0answers
159 views

No display after wake up. Using 14.04.1 + xfce4

Basic info: Completely fresh install of Ubuntu 14.04.1 on an HP pavilion g4-1303au laptop, by bootable USB. ISO image was downloaded on 05 September, 2014 through torrent acquired from the official ...
1
vote
0answers
194 views

Bluetooth problem - Ubuntu 12.04 LTS with Asus laptop

I'm trying to find the driver for Bluetooth device for my Asus K450JF laptop. I searched it in their support website, unfortunately there's no support for Ubuntu OS. Is there any alternative way for ...
1
vote
0answers
485 views

Lenovo x1 carbon (gen1) battery life

I'm using an Lenovo x1 carbon (gen1) and have Ubuntu 14.04 and tlp installed. I'm really dissapointed about the battery life. Some people claim to have 6 hours ...
1
vote
0answers
98 views

DEL key not working

I am new to Ubuntu and have just installed Ubuntu 14.04 on my laptop. Until the day before yesterday, the Delete key was working, but suddenly it has stopped working. I have tried to restart the PC, ...
1
vote
0answers
86 views

Laptop touchpad is not working

I installed Ubuntu 14.04 LTS but it's not recognizing touchpad of laptop. What can be caused to this? Here some outputs: xinput list output: ⎡ Virtual core pointer id=2 ...
1
vote
0answers
84 views

Latitude e6500 Flickering Sreen

I just installed Ubuntu 14.04 on my Dell Latitude e6500 (deleting Windows 7 in the process) and it seems to be running well except every 10 seconds or so the screen becomes very flashy/blurry. This ...
1
vote
0answers
386 views

network card issues on ASUS N550JK with ubuntu 14.04 LTS

The network card (realtek gigabit ethernet) doesn't work, doesn't send or receive packets. There is an error message saying something about a transmit queue timeout. I'm including some output that may ...
1
vote
0answers
50 views

During halt system hibernates on lid closed

I use xubuntu 14.04 64bit on Lenovo g510. I disabled hibernation on lid closed in xfce power manager. On lid closed: do nothing. It works. I can close and open the lid and system is not ...
1
vote
0answers
248 views

Asus laptop and faulty USB 3.0

I have weir issue with my asus laptop in have only one usb3.0 and it works, sometimes.. sometimes it just dies. $ dmesg | grep xhci_hcd [ 1.488284] xhci_hcd 0000:04:00.0: xHCI Host Controller [ ...
1
vote
0answers
527 views

Laptop Overheating - Lenovo Z500

Hi I have a Lenovo Z500 with i7, 8GB RAM, 1TB HDD. In Windows 7,8 and 8.1 I don't have any problem with the laptop temperature while running just the system or surfing the web, but under ubuntu 13.10 ...
1
vote
0answers
142 views

If laptop is in sleep and the battery gets critically low, will ubuntu put computer to hibernate?

I know that on windows this happens, but I don't knw weather it works on ubuntu. So, the question is: If laptop is in sleep and the battery gets critically low, will Ubuntu put computer to hibernate?
1
vote
0answers
165 views

Sounds no longer working on Xubuntu

I was messing around with Compiz-related settings (something else I cannot get to work, no matter what I try) and after a restart my sound was no longer working. There seems to be two output devices ...
1
vote
0answers
532 views

How to stop Xfce from reconfiguring monitor layout when laptop lid is closed?

I recently upgraded to Xubuntu 14.04 on my laptop. Prior to 14.04, I used xrandr (through a script) to configure my preferred layout, which involved an external VGA monitor and the built in laptop ...
1
vote
0answers
87 views

Audio unmutes when coming out of suspend in Ubuntu 14.04?

Since upgrading to Ubuntu 14.04, whenever I wake my laptop out of suspend, its previous volume settings are forgotten and the volume is unmuted and set to 100%. Obviously, this is annoying if I open ...
1
vote
0answers
571 views

What can be moved safely to tmpfs in 14.04?

I installed Ubuntu 14.04 on my laptop with SSD and 8gb RAM. What can be moved safely to tmpfs(and how to do it correctly, i'm mediocre in linux)? I don't know is it important or not, I mounted ...
1
vote
0answers
27 views

Ubuntu 12.10 keylog problem

I have Ubuntu 12.10 running and I want to do keylog so I did the following: sudo apt-get update sudo apt-get install logkeys sudo logkeys –s –o /home/user/Desktop/output.log It creates a log file ...