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

learn more… | top users | synonyms

33
votes
5answers
28k views

Why does my computer get less battery life with Ubuntu compared to Windows?

Last year I purchased a Dell Inspiron 5315 laptop shipping with Windows 7 preinstalled. I installed Ubuntu 10.10 alongside it with dual-booting. On upgrading to Ubuntu 11.10, I was upset to find I now ...
34
votes
13answers
79k views

Sound from both headphones and speakers

I guess this question already had the answer here but I can't find it. I'm using 12.04. Update: The problem is that I can hear the sound from my laptop's speakers even I plugged in my headphones. ...
53
votes
6answers
79k views

How can I limit battery charging to 80% capacity?

I just learned that some Lenovo laptops include a utility that offers to limit battery charging capacity to within 0–80% in order to slow the attenuation of the battery lifespan: How can I do this ...
29
votes
6answers
44k views

How do I set default display brightness?

Is it possible to set the default display brightness so you don't have to re-adjust it everytime you reboot? My laptop display is killing my eyes at the login screen already because it starts at 100% ...
33
votes
14answers
64k views

Unable to change brightness in a Lenovo laptop

Brightness adjustment keys <Fn + ⇑/⇓> have no effect (although they are recognized by the environment), and I can't change the brightness using GUI tools as well. This seems like a problem in ...
35
votes
3answers
65k views

What does the kernel boot parameter “set acpi_osi=Linux” do?

I am facing an issue with brightness control in my laptop which has Intel HD graphics and Ubuntu 10.10 64-bit. So when I searched for a fix I found that a common suggestion is to edit the GRUB file ...
38
votes
3answers
35k views

How to copy an Ubuntu install from one laptop to another

I am going to change my machine: from a laptop with Ubuntu to another laptop where I am going to install Ubuntu... I am quite happy with the current system, what I am afraid of is having to rebuild ...
9
votes
4answers
12k views

Suspend/hibernate doesn't work on an Asus laptop

I'm having issues suspending Ubuntu 11.04 (Natty Narwhal) on my new Asus U30SD-XA1 laptop. It's a new laptop on the market. Is this a known issue and is there a fix for it? Basically, whenever I ...
8
votes
3answers
25k views

Ubuntu 14.04 and Nvidia GeForce (840M) compatability on 64-bit laptop

My laptop diagnostic shows several pre-fails and has other issues so I am urgently shopping for a new laptop, my second using Ubuntu. I need a laptop with good graphics capabilities and have come ...
11
votes
8answers
19k views

Brightness function keys not working

I have an ASUS X55A-SPD0204O laptop. The rest of the FN+Fx (where x = number) like sound + - mute, screen turn off, wireless etc. work perfectly. The problem is with the 2 brightness keys. They just ...
7
votes
1answer
16k views

Switchable laptop graphics issues on Ubuntu 12.04?

I'm running Ubuntu 12.04 on a Lenovo Z570 laptop with Intel HD 3000 integrated graphics, and a switch to enable the dedicated GT630M graphics card. I've been having issues in general with my graphics ...
11
votes
4answers
6k views

laptop fails to suspend or hibernate (wakes up after 2-5 seconds without user interaction)

This all started happening after upgrading to 13.10, now I am running 14.04 and still have the same issue. When I close the lid or I do sudo pm-suspend the laptop goes into suspend for 2-5 seconds ...
22
votes
5answers
11k views

Does it make sense to create swap partitions for new installations nowadways?

For a desktop installation in a new and shiny laptop (let's say 16gb ram and ssd hd), does it make sense to have a swap partition?
7
votes
1answer
6k views

`indicator-cpufreq` doesn't seem to work on 14.10

I have a Dell XPS 12 and just installed Ubuntu 14.10 (by completely wiping out the old 14.04 installation). The indicator menu has 2 options, Performance and Powersave, from which I choose ...
7
votes
4answers
5k views

With Ubuntu 16.04 laptop doesn't suspend when lid is closed

I have a Dell 7737 laptop, and with Ubuntu 16.04 it no longer suspends when the laptop lid is closed. With 14.04 closing the lid put the laptop to suspend as expected. However, I reloaded the system ...
5
votes
3answers
2k views

How to make hibernate/sleep work on laptops where default setup isn't working?

I have an Asus r1f laptop. For some reason, hibernate/sleep isn't working properly at all. Are there any other packages I can use or tweaks I can implement to get this working? I've googled around ...
3
votes
4answers
12k views

The battery indicator in Unity panel not showing up

I installed Ubuntu 12.04 with Wubi. Well after being completely dazzled with the amount of free content in the Software Centre, I decided to go deeper and start messing with settings. Well after ...
52
votes
1answer
42k views

Ubuntu Server 13.10 now goes to sleep when closing laptop lid

I recently upgraded to the latest version (13.10). I have it running on an old laptop. Since the upgrade, whenever I close the laptop lid, it goes to sleep mode. Any idea on how to fix? I've ...
7
votes
3answers
9k views

Settings for multiple monitors are not stored

I am running Ubuntu 12.04. on a Lenovo Thinkpad T400. I connected an external monitor as a second display. The laptop stands under the external screen. The laptop has a native resolution of 1440x900 (...
5
votes
2answers
1k views

Ubuntu 15.04, pm-utils do not look into /etc/pm/power.d/ anymore, what instead?

Since upgrade from 14.10 to 15.04 my custom script which I used to setup proper thermal profile mode for my laptop ceased to work, which I believe is because pm-utils do not respond to AC/BAT ...
5
votes
3answers
4k views

Acer Notebook rightclick not working

I have a problem with my acer e5-571 running Ubuntu 14.04. The touchpad isn't recognized correctly: I have no right click. Output from xinput list: Virtual core pointer ...
1
vote
2answers
3k views

Why are there multiple (6) swap partitions after Ubuntu clean install?

After several multiple clean re-installations of Ubuntu 11.10 x86 from the original 11.04 on my Lenovo S12 (Intel Atom) laptop, I find I have six swap partitions. The original 11.04 had only one. I ...
0
votes
2answers
3k views

Ubuntu Won't Boot After Install on Samsung NP915S3G: error “All boot options are tried.” [duplicate]

So yesterday I went ahead and bought the Samsung NP915S3G (ATIV Book 9 Lite) and installed Tahr in hope that everything would go smoothly. For the most part it; everything necessary seems to work off ...
17
votes
4answers
8k views

Laptop battery life drastically decreased compared to Windows 7 [duplicate]

Possible Duplicate: Why does my computer get less battery life with Ubuntu compared to Windows? I am running Ubuntu 10.10 on my Dell Studio XPS 1640 and have about one hour of battery life in ...
11
votes
2answers
41k views

Internal SD card reader not mounted/detected HP realtek rts5227

I recently installed Ubuntu 14.04 on my HP Envy m7-j020dx. The only problem I am currently having is that the internal SD card reader does not seem to be detected at all. I have tried to find a ...
11
votes
3answers
11k views

How to permanently set screen brightness level in Ubuntu 12.04 on Dell Vostro 2420 laptop?

On Ubuntu 12.04 LTS on a Dell Vostro 2420 laptop, each time I start Ubuntu, the screen brightness is set to the maximum level, which gives a high glare. (I have recently installed Ubuntu on the laptop,...
18
votes
3answers
7k views

How do I configure the screen to lock when I close the lid?

I've configured Ubuntu to put the screen in black when I close the lid of the laptop, but I want that, when I open it again, it demand the password like blocking the screen with Ctrl+Alt+L, but I can'...
13
votes
3answers
13k views

Stop/start battery charging through software?

If a laptop is powered on and connected to AC power, is there a way to issue a command that tells it not to charge the battery? EDITED: Perhaps charging of the battery may be stopped if there were a ...
7
votes
1answer
26k views

How can I get my webcam to work with Ubuntu 14.04?

I have an HP Elitebook 850 G1, and installed a fresh copy of Ubuntu 14.04, however Ubuntu is not detecting the built-in Webcam. Is there any ways to fix this, and why this is happening? output of the ...
6
votes
2answers
8k views

Getting MSI GT70 GT60 ONC LEDs on SteelSeries keyboard working?

I have an MSI GT70 ONC laptop. The laptop comes with steelseries keyboard that has LEDs in the keys. On windows 7 I can use change the LEDs to light up any colour. I would like to know how to find ...
1
vote
1answer
550 views

Suspend on lid close, even with the option OFF

I've set up a friends laptop with Ubuntu 12.04LTS with the Cinnamon desktop, and I'm having a few issues with the power settings. As far as I can tell I've got every setting to "Do Nothing" when the ...
8
votes
2answers
3k views

How to prevent resume from sleep/suspend on lid open?

I've got pretty much the same problem as this old 2006 thread on the Ubuntu forums: my old laptop's lid is a bit shaky, which causes the computer to wakeup/suspend if I just touch it the wrong way (e....
7
votes
2answers
2k views

Laptop immediately suspends when going onto battery power

I've got an MSI Wind, model U100 that's been running Ubuntu without trouble for a long while. After upgrading to 10.04 a few months ago, I've had this strange problem. As soon as I unplug the laptop ...
3
votes
4answers
13k views

How to make the internal subwoofer work on an Asus G73JW?

I have an Asus G73JW laptop which has an internal subwoofer built-in. Currently, the system detects the internal speakers as a 2.0 system (or I can change do 4.0 is the only other option). I found a ...
10
votes
3answers
1k views

Disable pad click

I keep typing in the wrong place because of the pad getting touched while I am typing causing a click that re-place the cursor in another position. In Windows, I can easily disable that so the pad is ...
4
votes
1answer
2k views

How do I Install MythTV on a Lenovo S12 with wireless?

How do I install Ubuntu 11.10 and MythTV client on my Lenovo S12 (Intel Atom) laptop and use it using WiFi?
10
votes
0answers
886 views

Can I default Bluetooth to off on my laptop Lenovo T61 [duplicate]

Possible Duplicate: Deactivate Bluetooth on startup After every boot Bluetooth is on by default. I only very occasionally use Bluetooth so I would really like this to be defaulted to off but ...
5
votes
2answers
5k views

Touchpad not recognized on new Ultrabook

I have a new Samsung ATIV Book 9 2014 Edition (930X5J-K01) and installed Ubuntu 14.04 LTS on it. The touchpad is not working at all. There is no cursor visible but an external USB mouse is working ...
1
vote
1answer
986 views

Continous heat issues with notebooks

My HP ProBook I bought 2 years ago had to be sent in because of heat issues. It worked for a while, now it's getting too hot again. Just shuts itself down. I bought a new Notebook, a much cheaper and ...
21
votes
6answers
11k views

Thinkpad middle button scrolling

I'm running Ubuntu on my Thinkpad T60. Is there a way to get the middle button to act like a scroll like it would when it runs Windows? I'd like to be able to hold the middle button down and scroll ...
10
votes
4answers
10k views

Switching between graphics cards

I've just bough an Asus laptop which is equipped with two graphics cards; one integrated in the intel i3 CPU and a Radeon Mobility HD5145. Will Ubuntu switch between the cards to balance power/...
10
votes
3answers
13k views

Why does my laptop resume immediately after suspend? [closed]

I seem to be having some problem with suspend mode. Every time I try to suspend my laptop, it just locks the screen. Or maybe it successfully suspends just to resume only an instant after. What could ...
7
votes
4answers
36k views

How to make my screen brightness not change when I plug my laptop in

I do not want my laptop to change brightness when my laptop power is plugged in or unplugged. I set my brightness based on how bright my surroundings are. If I am in a dark room, I set my brightness ...
25
votes
7answers
28k views

How can I tell if my laptop has Bluetooth?

How can I tell if my laptop has a Bluetooth adapter?
6
votes
3answers
29k views

How to enable laptop-mode?

Laptop-mode is said to be one of the energy efficiency boosters for Linux. Now, sources I found say that to activate you need to: install laptop-mode-tools append LAPTOP_MODE_ENABLED=true (if it ...
2
votes
1answer
3k views

Start asus laptop UX32VD with keyboard backlight off

I'd like a way to set the default keyboard backlight state to "off". I'm running Ubuntu 13.04 on an Asus Zenbook UX32VD. All the function keys work, but currently I have to turn off the keyboard ...
6
votes
3answers
11k views

Enable Dolby 5.1 or at least subwoofer on Acer laptop?

I have Dolby Virtual Surround Sound 5.1 speakers with Tuba CineBass Subwoofer on Acer laptop (mine is 5951G but there is also bunch of models with similar configuration of speakers with/without ...
2
votes
4answers
5k views

Ubuntu 12.04 Battery problem

I have my laptop ( Dell Inspiron 14R) on dual boot with Ubuntu 12.04 and Windows 7. While using Windows 7, I used to get about 2.5-3 hours on battery fully charged (with my cellphone connected for 3g ...
1
vote
1answer
2k views

How do I fix laptop speakers popping when no sound is playing?

I am running Ubuntu 12.04 on a HP Pavilion dv6. About a week after setting up my dual-boot Win7/Ubuntu, my laptop speakers began a soft popping sound on roughly 5 second intervals. It's the damnedest ...
8
votes
4answers
8k views

Screen switches off after waking up from suspend

I guess, there are plenty of duplicates of this question, but I didn't find any to be helpful in my particular problem. My story is as follows: I was running Xubuntu 12.04 on a Thinkpad X40 which has ...