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

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0
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0answers
56 views

CPU usage becomes extremely high after opening laptop lid after upgrading to kernel 3.19

So I recently upgraded my kernel to 3.19, and now, whenever I close my laptop's lid and re-open it, the CPU usage will spike to ~75% on all four cores of my CPU. However, Activity Monitor doesn't list ...
0
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0answers
68 views

How to Remap Brightness Keys

I have a Dell laptop which has some fairly standard media keys along F1-F12 as well as three special keys by the power button. For the longest time, my brightness down button hasn't worked. For some ...
4
votes
2answers
136 views

Why is Ubuntu not as fast when it was freshly installed?

When I freshly installed Ubuntu on my laptop, it was blazing fast, but now it is very slow.... Games like TF2, MInecraft, DOTA 2, where working fine for like, 1 month, severe lag and lag spikes ...
6
votes
4answers
6k 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 ...
0
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0answers
26 views

CPU usage spikes to 75% and stay there after resuming from sleep mode?

So I recently upgraded my kernel to 3.19 (as part of a failed GNOME install that I have since undone), and now, whenever I close my laptop's lid and reopen it, CPU usage will spike after to minute or ...
0
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0answers
31 views

Why am I being repeatedly asked for swap partition password when apt-get upgrade?

I installed recent kubuntu on a laptop, and choose to encrypt / and swap. Works fine. But very often, when I do apt-get upgrade, I get questions about password for swap partition. I could understand ...
27
votes
12answers
62k 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. ...
0
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0answers
20 views

laptop powers off on its own when under load and battery only (ubuntu 14.04), but works fine on windows

Well, the title says it all. My battery works fine for 1h until it is depleted on windows. But under stress on ubuntu, the machine powers off and doesn't start up again unless I plug it in. The ...
1
vote
1answer
59 views

HP Envy Touch Smart 15 heat on bottom screen

I recently installed ubuntu 14.04 LTS, on my HP Envy Touch Smart 15 laptop. When running more than 30 minutes the bottom part of the screen (on the HP logo) getting unusual heat. It also can be feel ...
0
votes
1answer
132 views

Touchpad not working in Asus X-450L [duplicate]

I am using Ubuntu-14.04 LTS with latest 4.0 kernel. But still it's not working with my touchpad driver. I haven't left no stone unturned to make it supportable for my Ubuntu. Now I am really disgusted ...
-1
votes
1answer
89 views

How can I easily control CPU speed on Ubuntu?

I would like to know how to change (lower, in my case) CPU speed easily to adjust my needs. I have done research on the internet and it appears the same answers come back... "there is no need to lower ...
7
votes
0answers
1k 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 ...
1
vote
1answer
66 views

smartctl shows hard disk problem

I face a problem concerning my hard disk drive. I have a Lenovo laptop z710 and I get an error message about bad sectors. I have re-installed several distros in case it is a bug, but the problem ...
6
votes
1answer
325 views

Installing issues | unable to open /dev/sda and /dev/sdb

I am installing Ubuntu 14.04 from a USB drive. It boots into the installation and after selecting Install Ubuntu the loading screen appears and stops there. Pressing the left arrow key brings me to a ...
0
votes
0answers
36 views

Power options interface always shows as running on battery with 14.04

I've just completed a fresh install of ubuntu 14.04 and performed a complete update. My battery status indicator in the top menu bar always says that I'm running on the battery, even if it's plugged ...
0
votes
0answers
23 views

cannot connect to any new wifi ubuntu 14.04

I have got very strange problem , I am able to connect any wifi which is remembered in my system . But it is not opening up dialog box to enter password for new wifi ssid. Even I tried external wifi ...
0
votes
1answer
251 views

Fresh Install of Ubuntu, After Windows 10

I have a Windows 8.1 HP Pavilion model 2000. My younger brother decided to put Windows 10 on it, he didn't partition or back up the Windows 8.1 OS... I've tried reverting back to Win8.1 but can't. So ...
7
votes
1answer
483 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
1answer
3k views

Backlit keyboard on Toshiba Satellite P755-S5184 doesn't work in Ubuntu 12.04

I have the keyboard backlight turned on in bios to timer setting (1 second). When laptop boots the backlight works, but once ubuntu begins to load the backlights turn off. There is a function key ...
0
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0answers
53 views

QHD+ (3800x1800)

Going to buy a new laptop with QHD + resolution 13.3 "- the laptop is completely clean, so considering running Ubuntu 15.04 on this, but it will be worthless in terms of screen resolution - Anybody ...
2
votes
2answers
45 views

Ubuntu installer for Dell laptops?

I found a version of ubuntu on this link: http://linux.dell.com/files/ubuntu/precise/12.04-OSP1/ Can anyone tell me if it is the installer for Dell laptops. Or what is this? :O Have a nice day guys. ...
0
votes
0answers
30 views

Laptop Charger offline?

I run Ubuntu 14.04.1 Lately my charger has been taking a while to detect that the charger is in. Even when it is in, it goes back and forth from charging to running off battery. When I check the ...
1
vote
1answer
63 views

Keyboard layout on laptop is messed up after full system update

Keyboard layout on laptop is messed up after full system update. Running Linux Mint 3.11.0-26 on an HP Pavilion. Example of problem: When pressing the o button it returns a 6, and m=0, j=1, 0=/, ...
1
vote
2answers
517 views

Laptop webcam no longer recognised in Ubuntu 15.04

As the title implies, my laptop no longer seems to see the built in webcam. I installed 15.04 about a week ago and it's been fine until around yesterday. lsusb: Bus 004 Device 006: ID 1770:ff00 Bus ...
0
votes
0answers
88 views

Ubuntu 14.x install on Alienware mx18 R2

I have Win7 x64 installed on the primary drive and I intend to keep it there. Been trying (and failing) to simply install Ubuntu on a separate drive. But I cannot even get that far. I am ...
1
vote
2answers
2k views

Laptop overheating on Ubuntu 12.04

I have dell inspiron q17r with two graphic cards and I noticed that it is overheating. I installed bumblebee, jupiter and flashblock, I followed this but it still got to even 74C. Here I found ...
0
votes
2answers
2k views

Is it possible to install Ubuntu on a Chromebook?

Is it possible to install Ubuntu on a Chromebook? If so, what are the minimum system requirements? Will Ubuntu preform as well on the Chromebook as on a Windows laptop?
0
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0answers
11 views

Y messed up my hard drive

So this is the order of the events: I triyed to install ubuntu on my laptop. During instalation it froze or something and i (been stupid) restartes the pc manually using the power buttom. 3 Ubuntu ...
3
votes
1answer
13k views

remove disks or other media during installation

im trying to install 12.04 on my lenovo T60 via a usb stick. I downloaded the latest iso, loaded it on the usb stick after i formatted it and now im trying to boot from it to start the installer. ...
1
vote
0answers
53 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
9 views

do no administrative password [duplicate]

I have a used DelL latitude 2120 laptop with Ubuntu o/s I do not have administrator password and can not get past the screen that says this computer is protected by password authentication system?
1
vote
1answer
26 views

need to make the factory recovery after installing windows7

How can i recovery or restore my HP255 G1 as it issued from the factory if i replaced ubuntu 12.04 by windows7? ubuntu is the software install at the factory. please help me!
1
vote
2answers
168 views

Cannot Keep Ubuntu Server running on a laptop despite workarounds

I have Ubuntu 14.04.01 server. I edited /etc/systemd/logind.confand changed a line to HandleLidSwitch=ignore Then I saved the file and executed sudo restart systemd-logind. I even rebooted the ...
1
vote
0answers
46 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
1answer
78 views

My laptop has no operating system is it possible to download Ubuntu into my phone and transfer it to my laptop?

my laptop has no operating system can I download Ubuntu using my phone and transferring to my laptop is that possible? without an operating system I cannot use my laptop to log on to the Internet I ...
1
vote
1answer
88 views

ubuntu 14.10 issue with suspend

I have a Acer Aspire E5-571G-52FL and when try to suspend (when lid is closed for example) it not wake up after that. Only black screen and nothing. Could you please help? Thanks! 3.16.0-33-generic ...
0
votes
3answers
2k views

Attempting to install Ubuntu on an HP Touchsmart TM2

When I go into the setup utility I have the options: Main, Security, Diagnostics, System Configuration, Exit This is different from what I've seen online when trying to find a guide. But, in the ...
2
votes
1answer
172 views

How do I get support for a DELL Ubuntu laptop?

Hopefully this experience will improve with DELL. I have a DELL M3800 Precision Workstation Laptop factory installed with Ubuntu. When calling into DELL technical support (1-800-999-3355), when I ...
17
votes
7answers
15k views

How can I tell if my laptop has Bluetooth?

How can I tell if my laptop has a Bluetooth adapter?
8
votes
2answers
1k views

What is that Dell laptop on Ubuntu home page?

With the release of Natty Narwhal, the Ubuntu homepage is sporting a new look - the one with a Dell laptop. I'm interested to know what Dell laptop model is that? It looks really nice but I can't find ...
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
0
votes
0answers
67 views

Laptop keyboard not working after installing laptop-mode-tools

Just a few weeks before, I installed laptop-mode-tools on my Ubuntu 14.04 LTS laptop. Thereafter, I rebooted my computer but unfortunately my keyboard didn't work at all (but my mouse worked fine as ...
0
votes
1answer
46 views

my dell laptop inspiron 6000 wont go past the logo page

Plese I really need help. I was trying to get the new update Ubuntu 14.02 I think and I forced it to quit then i logged off and tried to to sign back in to my account and that didnt work so I ...
0
votes
1answer
90 views

Disable Fn-keys brightness change on Dell Inspiron E1405

I've got an old Dell E1405 which smoothly runs 14.04, with one caveat that is. When I press the Fn button with arrow-up or arrow-down, the brightness jumps in huge steps. Is there a way to disable ...
2
votes
1answer
79 views

installing Ubuntu on an Alienware M17Xr 4 laptop

I'm trying to install ubuntu on an alienware M17X r4, when I get to the install screen it is hard to describe but it's like 4 versions of the same screen but in pink and with a lot of lines. This is ...
1
vote
0answers
79 views

Lenovo X220: Wifi issue

I have a problem with my wifi on my lenovo x220 using Xubuntu 15.04. Sometimes I'm connected to the network but I can't use the network (ping, traceroute, etc. ...). Troubleshooting: I have to reboot ...
0
votes
1answer
143 views

Laptop Displays on External Monitor by Default

I was running Windows 98 through virtualbox (to play an old game that doesn't work on wine, not because I'm into that kind of thing) and had to play with the resolutions a bit to get it to run at ...
0
votes
0answers
20 views

Laptop monitor loses connection and cannot reconnect

I have bought a Lenovo Y40, and it seems to be having a problem with the flex in the lid hinges. The issue is that sometimes when I move the lid in some direction, it shows wired black and white ...
0
votes
0answers
61 views

What is the proper/recomended way to handle laptop power management in Ubuntu?

I have seen many power management utilities/methods for Ubuntu. These are few of them: TLP CPU Power Scaling indicator-cpufreq cpupower Using powertop command Using laptop-mode-tools Intel i915 ...
2
votes
0answers
84 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 ...