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

learn more… | top users | synonyms

3
votes
1answer
1k views

laptop (thinkpad x201t) with i7 overheats and shuts down. how to manage turbo boost?

i have lenovo thinkpad x201 tablet with ubuntu 11.04. when i run mathematica or stress, the laptop overheats and shuts down. i loose all my work. I would think that turbo boost (for intel i7) turns ...
3
votes
4answers
2k views

Why does waking up from suspend take a long time?

Sometimes when I suspend my laptop it wakes up instantly, but other times it takes around 5 minutes to wake up - in any case way longer than a cold boot. While the laptop is waking up I can hear the ...
3
votes
1answer
215 views

“on demand” LAMP stack

I'd like to install a LAMP stack on my laptop in order to be able to locally develop PHP websites. However, since my computer is a laptop, and since I don't always need having apache and MySQL server ...
3
votes
2answers
795 views

which is a normal temperature for a laptop

i have a samsung series 5 my temperature is around 77-80°c when i am playing, and 48-54 on normal use it laptop don´t have a month and i am not sure if it is normal (it is my first laptop) Intel® ...
3
votes
1answer
3k views

display port not working for Dell XPS 14z

I am trying to hook up an external monitor to an XPS 14z on ubuntu 11.10. I realize it has an optimus card, but everything I can find says that the displayport is hooked up to the intel card, and HDMI ...
3
votes
2answers
539 views

Why is there no laptop certified under 64-bit?

Ubuntu has a hardware certification program (http://www.ubuntu.com/certification). If you search under Release 11.10 and laptop, you will find that all are certified under 32-bit and none under ...
3
votes
2answers
4k 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 ...
3
votes
1answer
2k views

How to collect laptop hardware information?

So I'm entering the business of buying and selling laptops. For me, it's convenient to boot up a laptop in Ubuntu to see some of the hardware still works. The screen, hard drive, wifi, bluetooth, ...
3
votes
1answer
466 views

Is it possible to manually define the usable space on my laptop's trackpad?

I have an Asus UX21A ultrabook. It's really sweet in most respects. However, there is one issue which to me is a design flaw, though maybe some people think it's a feature. The tracking area of the ...
3
votes
1answer
1k views

Battery time decreased on an HP ProBook 4530s

I have HP ProBook 4530s. In Windows 7 after installing all HP drivers the 6-Cell battery works perfectly for 2+ hours but in Ubuntu 11.10 and now in 12.04 the battery time is not sufficient. It works ...
3
votes
2answers
508 views

12.04 runs my CPU up to 99%

12.04 runs my CPU up to 99% and then lags to the point of having to shut down the laptop to restart it manually.Why is my CPU running so high and what can I do to fix it?
3
votes
1answer
3k views

Dell Studio 1737 Overheating

I am using a Dell Studio 1737 laptop. I have been running Linux and have ran Windows recently for a very long time. I upgraded to the 10.10 distribution and since that distro, it seems that for some ...
3
votes
1answer
3k views

Acer touchpad multitouch not working

I tried to get my Acer laptop's touchpad working properly. I installed driver package (psmouse-alps-dkms_0.10_all) which made the side scrolling working. However, the touchpad supports multitouch ...
3
votes
1answer
507 views

Does the Thinkpad X41 Touchscreen work with Ubuntu?

I was just wondering if laptop touch screens, such as the one on the ThinkPad X41 were compatible with Ubuntu. I have my new stylus coming in the mail, so I can't see for myself yet.
3
votes
2answers
3k views

Hybrid graphics Intel/Radeon HD 6630M

I bought a Dell Vostro 3450 with hybrid GPU and I don't know how to configure properly, I think the fan is running at full speed, also I'm really new in this OS, so I would appreciate all the help you ...
3
votes
3answers
7k views

“panic occurred switching back to text console”

I installed Ubuntu on a HP Mini 210, and everything was fine. However, after using the laptop for a while I got the error: panic occurred switching back to text console What could be the reason ...
3
votes
1answer
375 views

Why Does Unity lag Often That I have To Manually Shutdown/Restart my Core i3 Laptop?

I did a fresh install of Ubuntu then do did some upgrades. After my next restart when I try to open Ubuntu Software Center it took about 20 seconds for the window to load then 10 more seconds before ...
3
votes
2answers
921 views

How to set which monitor the menu bar appears on?

I'm running on a tiny netbook attached to a 22" monitor. When I'm using it without the monitor it makes sense to have the menu bar on the laptop monitor but when I have the big monitor plugged in I ...
3
votes
1answer
1k views

How to get back the brightness-notification when changing brightness via hotkeys?

Some Ubuntu-versions ago, there was a Popup that showed up while changing the brightness on my Asus V6V with FN+Key. It has been gone since (I guess) 9.04. When changing the Audio-Volume, I still have ...
3
votes
2answers
841 views

Fix for blinking Nvidia GTX 460m?

I have an Asus G73-JW Laptop and on official drivers, it will blink every time that the Powermizer will change the speed of the card. The only workaround I have found so far is to set it to maximum ...
3
votes
1answer
1k views

How do I fix an internal laptop monitor showing up as unknown connection?

I'm new to Linux and Ubuntu and trying it out but installing 10.10 via Wubi on to my old Samsung V25 laptop. For the larger part, the system seems to be working fine, apart from one key point, its ...
3
votes
1answer
3k views

Modify Monitor Color Profiles / Settings

I can't seem to find this anywhere but every other OS has this... How can I just modify the color settings on my monitor, e.g. white balance, gamma, etc? Also, just in case, i'm on a Lenovo ...
3
votes
1answer
722 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 ...
3
votes
1answer
836 views

Will Windows 8 removal and secure boot disable cause no problem in using Ubuntu?

I heard that recent laptop computer with Windows 8 operating system enables secure boot which can cause problem while installing or using Ubuntu, and worrying because I have a plan to buy laptop with ...
3
votes
1answer
121 views

Why does Ubuntu think that my iMac is a laptop?

I recently installed Ubuntu 13.04 on my late-2010 iMac. I am dual-booting OS X 10.8.3 and Ubuntu. For some reason, Ubuntu thinks that my system is a laptop. Under the "Displays" settings, it only says ...
3
votes
2answers
2k views

Ubuntu not is hibernating when lid is closed

I use Ubuntu 12.04 in my laptop. I'm trying to configure to hibernate when lid is closed. However, not is working. I did the following steps to solve the problem: I enable in ...
3
votes
1answer
2k views

Remaining time for laptop battery in system tray with xfce4-power-manager?

I'm using xubuntu on my laptop, and I wonder if there's a way to have the remaining time of my battery displayed in the system tray with the xfce power manager? It tells me how much time I got left ...
3
votes
2answers
2k views

Brightness Problem Gradually Changing At Every Restart

I am using Ubuntu 12.10. Whenever I restart my Laptop my system brightness is changing.What settings should I make so that brightness doesn't change on every restart
3
votes
1answer
3k views

How to analysis the output of powertop to increase battery lifetime

I'm new to ubuntu using 12.04LTS .Please help me by steps.Thanks all. anoy@ubuntu:~$ cat /proc/sys/vm/laptop_mode 5 PowerTOP 1.97 Overview Idle stats Frequency stats Device stats ...
3
votes
2answers
1k views

No brightness control, HP dv3500 laptop / GeForce GPU

I feel almost stupid asking a brightness question with all the similar ones out there, but I haven't yet found a working solution, so here goes: System HP dv3500 series laptop (dv3550eo - ...
3
votes
1answer
509 views

Is there a way to run the laptop only on AC power without removing the battery?

Is there a way possible to run a laptop only on AC power without having the need to remove the battery i.e. to disable the charging as it is possible in Windows 7.
3
votes
1answer
1k views

Must close and open laptop lid to recover from screen turn-off on an Acer Aspire 5740

I have an Acer Aspire 5740-5780 laptop with ubuntu 11.10. I don't have the more common problem of the black screen on boot. Rather, under System Settings..., in Screen, under Brightness, with the ...
3
votes
3answers
276 views

Maximal power-saving on a laptop when sleep/hibernate is not possible? [duplicate]

I use a very portable laptop with Ubuntu running. On that laptop, neither sleep nor hibernate works reliably (it works sometimes and it doesn't the other times). I'm not asking how one can get them ...
3
votes
1answer
6k views

FN keys F9 - F12 do not work on an Asus U30sd

Using the Keyboard Utility I was able to select the asus layout and after that I was able to get the majority of the function keys to work(screen brightness, wifi, sleep, num lock, and scroll lock). ...
3
votes
1answer
209 views

Is there a way to set laptop to hibernate after being suspended for a while? (like Windows can)

With Windows 7, my laptop was set to go to sleep after X minutes on battery, then hibernate after sleeping for X minutes. I can't seem to find a way to do that with Ubuntu Natty so I always end up ...
3
votes
1answer
3k views

Help to fix acpi on my HP Pavilion DV6-6008el

Update: further details related to the issue in this other question. I'm able to boot my laptop only adding acpi=off as kernel parameter in grub configuration file. Without this parameter the system ...
3
votes
2answers
988 views

Toshiba Satelite T135 temperature is always above normal

I just did the great jump from Windows to Ubuntu on my Toshiba Satelite T135. It works wonderful tough I have a couple of problems. I can't change my screen brightness at all and the fan sensors don't ...
3
votes
2answers
1k views

Battery not recognized on my laptop (and it recognizes my laptop as a desktop)

I have installed Ubuntu (both 10.10 and 11.04 pre-release) on my laptop but my battery is not recognized and it is detected as a desktop system rather than a laptop. I have tried to get the output ...
3
votes
1answer
2k views

Low-battery-power action without gnome-power-manager

I'm running the openbox WM and would like to avoid loading the gnome stack. One of the lingering issues I have to resolve is avoiding abrupt system crashes due to depleted battery power. Is there a ...
3
votes
2answers
490 views

How exactly does gnome manage laptop suspend events?

The reason I ask is that, while suspend under lid closure and fn-F4 work perfectly in the Ubuntu (gnome) desktop, I cannot get them to work when using a different window manager (fvwm) on my thinkpad ...
3
votes
1answer
2k views

Why four tasks named kslowd eat CPU time?

I installed Unity on my Belinea o.book 13011. Now there are four Tasks named kslowd000 to kslowd003. Each task uses 10-15% CPU, expect there is another Task that needs more. So the CPU Fan is ...
3
votes
0answers
218 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
164 views

System76 laptops? Good or bad? [closed]

I would like to know how great these ubuntu ready laptops are. Does anyone have any personal experience with them?
3
votes
1answer
72 views

my touchpad and keyboard in labptop is notworking in ubuntu 13.04

i am using dell inspiron n5110 , in this touch pad and keyboard is not working in Ubuntu 13.04, but it is perfectly working in the window
3
votes
0answers
209 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
1answer
407 views

Very High CPU usage on HP dv7 Laptop when IDLE

I'm pretty new to Linux computing. So I finally thought of giving Ubuntu a try, by dualbooting it with Windows 8 on my hp dv7-6006tx laptop. Laptop Specs But after installation, I immediately ...
3
votes
0answers
248 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
954 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
1answer
319 views

Ubuntu 12.04 cursor changes

I have a weird problem with my Ubuntu 12.04 dual screen setup (Toshiba laptop + one monitor). After a while the cursor on one screen completely changes its shape (not every time). I don't really know ...
3
votes
0answers
328 views

Unity freezes when laptop screen is closed [closed]

I have an Asus laptop running Ubuntu 12.04. It's configured to do nothing when the laptop screen is closed. But sometimes, when I close the screen and when I reopen it, after I move the mouse to ...