Questions tagged [laptop]
Questions about laptops in relationship to Ubuntu. Common subjects are trackpads, batteries and wireless cards.
2,311
questions
155
votes
17
answers
303k
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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 in ...
81
votes
5
answers
110k
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 ...
66
votes
10
answers
166k
views
How can I tell if my laptop has Bluetooth?
How can I tell if my laptop has a Bluetooth adapter?
64
votes
3
answers
136k
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 ...
60
votes
1
answer
63k
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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 ...
59
votes
17
answers
130k
views
Stop sound from speakers when connecting headphones
The problem is that I can hear the sound from my laptop's speakers even if I plugged in my headphones. Headphones is just standard stereo headphones. And the most interesting thing is that all was ...
49
votes
15
answers
103k
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 ...
49
votes
4
answers
43k
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 ...
39
votes
5
answers
59k
views
How do I set default display brightness? [duplicate]
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% ...
35
votes
5
answers
37k
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 ...
31
votes
2
answers
58k
views
Laptop headphone jack produces no sound
The headphones are detected, because when they are plugged in, they appear in the sound settings.
The problem is that they just don't output any sound.
Laptop speakers output sound just fine.
I'm ...
31
votes
5
answers
35k
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 ...
29
votes
2
answers
3k
views
How may I improve my boot / shutdown time?
I have a pretty decent laptop (Intel Core i7-3520M CPU @ 2.90GHz, SataII SSD from Samsung, 8GB Ram), but I not satisfied with my boot and shutdown times...
I have installed bootchart, and am trying to ...
25
votes
5
answers
15k
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?
25
votes
5
answers
11k
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 ...
24
votes
6
answers
20k
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 ...
21
votes
5
answers
79k
views
Battery not charging but detected
my Lenovo N581 detects the battery, but it doesn't charge it (as soon as I unplug the AC, it turns off).
When i type upower -i /org/freedesktop/UPower/devices/battery_BAT0 into the terminal I get:
...
19
votes
3
answers
10k
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'...
18
votes
5
answers
25k
views
Set battery thresholds on Ubuntu (ASUS)
I've recently switched from Windows to Ubuntu, and I was kind of frustrated when I found out that there was no way to set battery thresholds on Linux. On Windows, I can choose to limit charge to 60% (...
18
votes
1
answer
640
views
How can I make my laptop "phone home" if it ever gets stolen?
If my laptop ever gets stolen, I want it to make an attempt to "phone home" so that I can track it down.
What can I set up to accomplish this?
18
votes
2
answers
30k
views
Forcing grub menu to external monitor connected to laptop via HDMI/VGA
Is there any way to force grub menu to show it's content in external monitor (for selecting the os to boot on win or ubuntu), I use my laptop more like a desktop with a monitor connected to it because ...
17
votes
2
answers
27k
views
How can I change audio output to HDMI from command line?
Backstory
This thread suggests pacmd list-sinks and switching to a different sink with pacmd set-default-sink "SINKNAME", but my laptop only appears to have 1 sink, so that didn't help me.
This ...
17
votes
4
answers
9k
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 it, ...
17
votes
6
answers
83k
views
How to make keyboard backlight Fn buttons work in Samsung Series 9?
I've just installed Ubuntu 12.10 on my Samsung 900X4C. However, I can't get the keyboard backlights to work.
I added the keymaps as per community docs - Samsung Series 9 (section Function Keys). But ...
17
votes
2
answers
5k
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....
16
votes
4
answers
81k
views
Trying to boot from usb [duplicate]
Possible Duplicate:
Boot failure : No DEFAULT or UI configuration directive found!
I have similar issues but none with the 12.04 build.
Im trying this on a dell d610 laptop with a bad hard drive ...
16
votes
2
answers
75k
views
Internal SD card reader not 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 ...
16
votes
4
answers
27k
views
What should VM writeback timeout be set to for a laptop?
I am using powertop to check that my machine is setup in a way that will give me good battery life. After installing laptop-mode-tools all of the "Tunables" section shows "Good" except VM writeback ...
16
votes
4
answers
16k
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 ...
15
votes
4
answers
41k
views
How do I enable keyboard backlight in Ubuntu 20.04.02 on Dell G5 Laptop?
I recently bought a Dell G5 laptop which came pre-installed with Windows OS. However, I removed Windows OS and install Ubuntu 20.04.02 LTS on it. Now, I'm unable to get the keyboard backlight to work ...
15
votes
3
answers
19k
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 ...
15
votes
2
answers
9k
views
How to tune touchpad for smaller area?
I just purchased the Asus Zenbook UX31A and I require some advice regarding tuning the touchpad.
Basically my problem is that the mouse buttons are withing the touch area and I would like it to be ...
15
votes
2
answers
4k
views
Why does powertop still detect tunable settings on >12.04?
According to this Q&A laptop-mode-tools and powertop are not needed anymore with ubuntu 12.04 as the power savings are now included in the kernel.
So I decided to remove laptop-mode-tools from ...
15
votes
1
answer
14k
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 ...
14
votes
4
answers
25k
views
Cannot make Wi-Fi hotspot
I want to make my laptop as wi-fi hotspot. To do so, I pressed button Settings->Network->Wireless->Use as Hotspot..
Then it creates a wireless network connection 'Hostspot' and connects. But it gets ...
14
votes
10
answers
29k
views
Display brightness cannot be adjusted 18.04
I have recently installed Ubuntu mate 18.04 on my XPS 15 9560. I cannot adjust the display brightness through any means. I have tried the following:
Set the acpi_backlight=vendor in boot parameters
...
14
votes
5
answers
14k
views
15.04, 15.10, 16.04 - Closing lid does not suspend laptop if connected to external monitor
Since the upgrade to 15.04 (update: 15.10 still same), my laptop's behavior on closing lid has changed: if it is connected to an external monitor, it will not suspend. In addition, all the windows are ...
14
votes
7
answers
15k
views
Laptop Screen Black After Suspend
I'm a new user to Linux and i am running into an issue with suspend on my laptop with the following configuration
Model : HP Envy m6 (AMD A10-4600M APU with Radeon HD Graphics)
Operating System : ...
14
votes
4
answers
5k
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, ...
13
votes
2
answers
10k
views
Artificially increase maximum screen brightness
I have my laptop set to maximum brightness, but it's not bright enough. Is it possible to somehow make it brighter?
13
votes
4
answers
36k
views
How to change boot priority?
I have a laptop with Ubuntu installed as the only OS. I also have a USB stick with a Windows 7 installation on it. I want to install Windows from the USB stick on my laptop but when I try to restart ...
13
votes
4
answers
55k
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 it you need to:
Install laptop-mode-tools.
Append LAPTOP_MODE_ENABLED=true (if it ...
13
votes
4
answers
21k
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 ...
13
votes
1
answer
11k
views
Increment Brightness by value using xrandr [duplicate]
So I have an Alienware 13 R3 with the OLED display, and for the first time I was able to change the brightness using the xrandr command. The problem was the absence of backlight in OLED displays, so I ...
13
votes
4
answers
2k
views
How to install Ubuntu on an old laptop missing its built-in display
I have an old HP laptop that is missing its built-in display. I use it plugged in to my TV via VGA. It runs Windows Vista fine, but it has recently started to slow down, and I decided it needed a dose ...
13
votes
4
answers
13k
views
How to boost volume in Lubuntu
The audacious audio player volume is fine, but when I try to watch videos on youtube the volume is far too low. Is there a way to boost the overall sound? THank you for your time.
12
votes
2
answers
58k
views
Laptop keyboard stopped working
Ubuntu 14.04
I started my pc and suddenly my keyboard isn't working anymore.
Is there a possibility to debug or something?
The mouse and some of the keys still work, like changing the brightness of ...
12
votes
5
answers
2k
views
How to secure Ubuntu for a non-technical user? (your mom)
My mother will be traveling for a while and I need to provide her with a secure laptop so she can work. A windows laptop is out of the question because:
she'll be logging into dodgy hotel wireless ...
12
votes
8
answers
27k
views
Brightness function keys not working [duplicate]
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 ...
12
votes
3
answers
14k
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,...