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Toshiba Satellite L750-L755

Introduction

This is a guide to running GNU/Linux with the Toshiba Satellite L750-L755 laptop. If you have the Toshiba Satellite L750-L755 and are running Linux on it please consider editing this page or adding a comment below with your compatibility details. By contributing you will help other people running this laptop or trying to make a decision on whether to buy it or not.

This page is just for discussing using Linux on the Toshiba Satellite L750-L755. For a general discussion about this laptop you can visit the Toshiba Satellite L750-L755 page on LapWik.

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Specifications

For full specifications see the Toshiba Satellite L750-L755 specifications page.

NameToshiba Satellite L750-L755
ProcessorIntel Pentium Processor B950
Intel Pentium Processor B960
Intel Core i3-2330M processor
Intel Core i3-2350M processor
Intel Core i5-2430M processor
Intel Core i5-2450M processor
Screen15.6“ 1366×768 Widescreen
RAMUp to 6GB
HDDUp to 640GB
Optical DriveDVD+-RW
GraphicsIntel HD Graphics
Intel HD Graphics 3000
NVIDIA GeForce GT 525M
Network10/100 Ethernet
Wi-Fi Wireless networking (802.11b/g/n)

Linux Compatibility

DeviceCompatibilityComments
ProcessorWorks
ScreenWorks Too bright, the solution is below, in the notes section
HDDWorks
Optical DriveWorks
Graphics ChipWorks
VGA OutWorks
HDMI OutWorks
SoundWorks
SpeakersWorks
Bulti-in MicrophoneWorks
Headphone JackWorks
Microphone JackNot Tested
EthernetWorks
WirelessWorks
BluetoothWorks
USBWorks
Card ReaderWorks
WebcamWorks
Touch PadWorks
Suspend/ResumeNot Tested

Notes

Tested under Mint Nadia 14 (kernel 3.5.0).

Screen brightness with NVIDIA card:
Laptops with this graphic card are unable to change the brightness of the LCD screen, to be able to turn down from the desktop controls (fn keys do not work), you have to follow these steps:
@ sudo nvidia-xconfig [Generates a X configuration file in ”/etc/X11/xorg.conf”]
@ sudo gedit /etc/X11/xorg.conf [Edit the file, add “Option “RegistryDwords” “EnableBrightnessControl=1”” (remove 1st and last quotes)between “Section “Screen”” and “EndSection”]
@ sudo reboot [Restart]

No problems under Ubuntu 12.04LTS, the video problems are resolved with the newest drivers in “Additional drivers”.

Summary

Almost everything runs out of the box, you have only to correct the brightness problem in some models. In addition, the fn keys does not execute any action with some shortcuts (brightness for example).


Discussion

sabir234, 2015/04/09 14:28

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Hervy Qurrotul, 2015/03/25 07:20

my laptop satellite l750, nvidia gt520m, use ubuntu 14.10 amd64.

How to enable my brightness, not response and not working. please help me…

Lwslie4s, 2014/11/19 16:04

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JJab, 2013/10/30 08:12

It seems to me impossibile to even download nvidia drivers. I have been having issues with most current distros I tested. Internet connections are always slow and unstable and cannot fetch the repositories as flawlessly as I am used to. Most often terminal will not find the packets I request and the Ubuntu Software Center will list them but fails to download them and prompts for a connection check..

Do you think there is something wrong with new distros and this network card drivers or something like that? I do not recall having issues with previous distros. I mostly tried Ubuntu-based distros.

I could not fix the brightness problem either.

Jagoba, 2014/03/07 18:56

I have tried under Ubuntu 12.04 and the video problems looks the be solved with the newest drivers (version 331) in the “Additional drivers” section. The fn keys for turning up/down the volume and the brightness runs perfectly.

If you only have problems with the packets, you should change the “edit > software sources” at “Ubuntu Software Center”. I have not found any internet problem with either Wi-Fi or RJ-45.

JSaylar, 2013/10/16 13:25

I have a L755-1ED laptop with gentoo, and when I connect a jack to the audio output the sound is heard on both outputs, though the laptop speakers volume down a bit.

JSaylar, 2013/10/16 13:25

I have a L755-1ED laptop with gentoo, and when I connect a jack to the audio output the sound is heard on both outputs, though the laptop speakers volume down a bit.

Matt, 2013/01/19 17:25

I'm assuming that when you say there's too much brightness that you are referring to the inability to adjust the brightness. I too have experienced problems in this regard. I have the l755 with a nvidia geforce gt 525m, using linux mint 14, and after searching around I managed to get the brightness control working (though the fn+f6 and fn+f7 still don't function).
I had to use the proprietary nvidia drivers and ran “sudo nvidia-xconfig”, which generated a x configuration file in ”/etc/X11/xorg.conf”. I opened this using “sudo gedit /etc/X11/xorg.conf”. I then added “Option “RegistryDwords” “EnableBrightnessControl=1”” (remove 1st and last quotes) beneath “Section “Screen”” but before “EndSection”. After reboot brightness control functioned.
Aside: I have not tested whether or not this will work without the proprietary drivers by generating the xconf file using “X -configure” in recovery mode, copying the file from /root to the correct location, and adding the above line to it (this occured to me afterwards).

Jagoba, 2013/01/29 22:32

Thank you!
Same graphic card, and your solution works :).

About the fn, I think that could be possible to bind the keys with a script and control the brightness.

Jagoba, 2013/01/17 22:45

Hey guys! I'm trying to install linux in my l750-1ez, but I have not found any solution in google to correct the LCD screen problem (there's too much brightness).

Anyone have found a solution? I've tried to change the brightness by terminal (toshnet, acpi_tool and /sys brightness file), recompile the kernel adding toshiba modules, update the BIOS and edit the grub.cfg (adding'acpi_backlight=vendor'). But It still doesn't seem to work.

Regards

GLC Represent Wales, 2015/03/18 12:02

“Suspend/Resume Not Tested”

Well WTF? If a computer can't use power saving, it isn't working properly - especially a laptop (as it will overheat, generally, if power saving isn't working).

I'm sick of supposed experts running Linux without power saving and thinking that this is in ANY way acceptable! In their eyes, power saving is the LAST thing to bother making work. It's the FIRST thing, fool! I like my battery to last, like my hardware to not self-destruct and I pay my own electricity bill, don't you (Mom's basement stereotype comes to mind)?
I mean, all the (relatively)-useless time-wasters making UIs look 'different', when the collective effort needs to go into power management and serious functionality - what are you smoking?? I thought it was Windows fools who need things to 'look nice' rather than function well under the hood?

I realise I'm not using MINT and this page is based on trying with MINT, but there's plenty of parallels between the flavours of Linux (and the underlying code in the packages used to make up the OS).

I try to help, but am not a coder (brain damage is a bitch, what's your excuse?!)
I do submit bug reports etc. I do try to RTFM.
What annoys me is the pretentiousness that stuff is ready for release and such, when it blatantly isn't. On a systematic level. That, and the WEAK level of technical writing for guides that are already five versions out of date by the time I need their guidance, massive amounts of research and detective work is not budgeted for in a 24-hour day, maybe a 36-hour one might just about cover the massive amount of reading needed for such things. Maybe not, it's that bad!
Respect due to all coders and testers who get good stuff done, mind-you.

OK, with my L750-1RE (hahah ironic, spelling “L750-I.R.E. - ire is appropriate!):
Now, I got suspend and resume to work most of the time. Sometimes it crashes and I don't think Hibernate works, especially as no setup guide has included how large to make the swap partition - does it have to be 2x RAM size or greater, to support Hibernate - or just 1x RAM size (has to be done BEFORE anything else so cannot be retro-fitted afterwards!).
I couldn't easily get CPU clock-scaling to work, but apparently the Nvidia drivers can dynamically-clock the GPU.
It still runs hot, though and I'm not impressed with the overall weak integration between laptops/bioses/ACPI customisations (ACPI being a defined STANDARD, right, yeah right…)
Incidentally, the latest Nvidia drivers don't make brightness controls automatically work for me on Lubuntu. But Lubuntu is a sick JOKE when it comes to important stuff (like power management, screen locking / security and File Managers / File Searching etc - all broken and STAYING broken many updates later whilst they claim it's release-ready - they are TRIPPING hard to believe that).

WARNING: Toshiba design this laptop with Windows drivers that under-clock the GPU, to save heat issues. Linux doesn't know this, so runs the card at stock speeds = overheating it.
I started getting artifacts after running Linux and falling asleep (aforementioned power saving didn't kick-in as expected) and this is possibly permanent damage, hence my ire at the ignorance of the Lubuntu / et al (desktop environment dependant package developers). Pretty damn poor. I got an Intel-based machine to make it easy for such things to be compatible, so I'm not impressed.

Oh yeah and here's a big DISS to Toshiba for their shitty software-switch for wifi and Bluetooth. Plus their useless BIOS controlling (but not documented!) the default state of this switch. Always causing problems.

Anyone apologising for this piss-weak state of affairs is part of the problem, not part of the solution.

Forcing users back to Windows isn't a good look, is it? Especially with hardware damage.

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toshiba_satellite_l750-l755.txt · Last modified: 2014/03/07 18:46 by jagoba
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