2
votes
0answers
13 views

How to force the pixel density pixel? [closed]

i want to know (and if it's possible) how to change or force the density pixel of my screen? i don't know how to do it, anyone can tell me?
0
votes
0answers
26 views

Any way to enable dynamic/automatic brightness adjustment?

My Lenovo ThinkPad X201 Tablet has a very bright screen (400 nits!), which is good for when objects on the screen are dark (say a night scene in a movie), but it is of course very blinding when ...
1
vote
0answers
32 views

Latitude e6500 Flickering Sreen

I just installed Ubuntu 14.04 on my Dell Latitude e6500 (deleting Windows 7 in the process) and it seems to be running well except every 10 seconds or so the screen becomes very flashy/blurry. This ...
0
votes
0answers
35 views

Restore laptop screen brightness when unlocking screen

My config is the following: - Ubuntu 14.04 - An ASUS laptop - An additional LCD screen connected through VGA I control my additional LCD screen's brightness with dedicated controls located directly ...
1
vote
1answer
74 views

System logs me off after I close laptop's screen

Hello everybody I have very anoying issue with my ubuntu 14.04. When I close the screen of my laptop, the system logs me off and I need to enter my password to log in again. That would not be a ...
0
votes
0answers
108 views

Adjust screen brightness in Ubuntu 12.04 LTS (Packard Bell Easynote R4622 laptop)

I have a Packard Bell R4622 laptop running Ubuntu 12.04 LTS 32 bit. I turned the brightness down with the function keys because the screen was too bright, but now it is too dark and I cannot turn it ...
0
votes
1answer
279 views

No brightness control in Ubuntu 12.04, Lenovo V570

I have been struggling now for an inordinate amount of time trying to get the brightness adjustment working in Ubuntu. I am running Ubuntu 12.04 on a Lenovo V570 Laptop. I have tried all of the ...
0
votes
0answers
74 views

Screen Brightness on Acer AspireV: bar appears, brightness doesn't change

Using 12.04 on an Acer Aspire V5-561-9410. When I use the function keys to modify screen brightness (or use any solutions I've found here to this problem like the one found here or here), I see the ...
0
votes
1answer
227 views

My laptop boots with full screen brightness and full keyboard backlight

I meets a problem that my laptop boots with full screen brightness and full keyboard backlight. According to a post on Ubuntu forum for Macbook (http://ubuntuforums.org/showthread.php?t=1987790), it ...
0
votes
1answer
743 views

13.10 brightness flickering MSI Wind U100

Vanilla install of Ubuntu 13.10 on my MSI Wind U100. Intel graphics card I think. Auto brightness flickers up and down, brightness hud display top-right also flickers. Interrupts input so need to ...
0
votes
0answers
52 views

dumb power setting ensure dim screen all the time

It's quite dim, but when I unplug, it gets brighter. Funnily enough, when the battery gets critical it goes dim again, and if I plug it in in a dim state it finally gets bright with the power plug ...
1
vote
1answer
77 views

Setting which brightness determines screen brightness

I'm having an issue running Kubuntu 13.04 with brightness, something that seems common. In particular, brightness can be found in these 2 directories: /sys/class/backlight/acpi_video0/brightness ...
1
vote
2answers
280 views

How can I stop my Dell Inspiron laptop from dimming the screen when I plug in the AC adapter?

I'm using a Dell Inspiron N5110 laptop with Ubuntu 13 and I find that every time I plug the power in to charge, the screen brightness dims. If I go into the brightness settings window the brightness ...
0
votes
0answers
139 views

distorted screen on startup and installation

I have encountered a very weird problem while installing and using linux on my hp pavillion dv6000 laptop. I get a distorted screen when i try to install ubuntu on my linux. the screen is divided ...
0
votes
1answer
218 views

Broadcom BCM4318 Wireless LAN Controller ISSUE

Basically, I installed Ubtunu from scratch the other day. It was working fine, the Ethernet was easy. I just plugged it in and off it went. Now today I did something stupid, thinking I could enable ...
1
vote
2answers
1k views

Laptop boots to black screen on 13.04, but works when an external monitor is plugged in

I just picked up a new laptop (Toshiba Satellite P55-A5200; on-board Intel graphics presumably HD graphics 4000 as this is a mobile i5 Ivy Bridge system) and have been getting all sorts of odd display ...
-1
votes
1answer
315 views

Why does 13.04 cause my laptop screen to go completely black? [closed]

I have been using Ubuntu for several years, but this is the first time I have had a problem like this. When I upgraded from 12.10 to 13.04, every time I boot into Ubuntu and the login screen is ...
4
votes
2answers
280 views

Screen resolution repositioning? (Broken laptop screen)

I have a laptop with the top left corner's screen being broken - I can't see anything there. However it's just a small corner, so I'd like to know if there's something I can do to make Ubuntu not use ...
1
vote
2answers
2k views

Laptop screen stays blank after lid is reopened

I have an Acer Aspire One KAV60. Beginning with 11.10 through 12.10, every version of Ubuntu causes the screen to stay blank after I open the lid. The only way I can get out of the problem is a hard ...
3
votes
0answers
240 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 ...
1
vote
0answers
97 views

Black screen during installation ubuntu 12.10 via wubi on HP Pavillion g6-1273s1 [duplicate]

Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? I tried to install ubuntu 12.10 alongside win7(64bit) on HP pavilion g6-1273sl. The installation ...
0
votes
1answer
604 views

Changed Laptop Screen (Thinkpad), FN-Key Brightness control stopped working

I just replaced the broken screen on my Thinkpad Edge 13". Now the brightness-adjustments via the FN keys don't work anymore (the brightness indicator bar goes from Low - Full, but nothing actually ...
1
vote
0answers
95 views

In Ubuntu displays, why does it say I'm using a laptop but I'm using a Desktop?

I'm using Ubuntu on Oracle's Virtual Box aside from Windows because the vast of my friends are trying to get me to try it, I open it and activate full screen mode, yet it isn't all fullscreen. I ...
1
vote
3answers
172 views

Use laptop with external screen closing its cover

I have an HP Pavilion dv6 with an Nvidia GeForce GT 230M running the privative driver version 304.43 and Ubuntu 12.04 LTS x64. I am able to clone the screen and use "extended desktop". The problem ...
0
votes
0answers
47 views

Black screen after OS loads [duplicate]

Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? Ok, so today I was installing Eset Nod32 Linux onto my computer, I'm a newbie at Linux though, ...
1
vote
1answer
645 views

Is there a way to force Lubuntu screen resolution?

I have a Dell Inspiron 4000, 900 Mhz Pentium III, 192 MB RAM, 10.1 GB disk running Lubuntu 12.04. When I start the computer, and I check the display resolution, Monitor Settings claims that the max ...
1
vote
2answers
1k views

How does correct gamma color on external screen? Linux laptop

I have got a laptop and i would like to correct gamma color on my external screen. My system: Laptop, VGA port, Linux, Ubuntu. In option System->Preferences->Monitor i turn off my laptop's screen. ...
6
votes
4answers
7k views

Screen Brightness Stuck on high on an HP dv7t laptop

I have an otherwise fully-functioning install of Ubuntu 12.04 on my HPdv7t laptop. When I press the 'brightness buttons' on the keyboard the associated images appear on my screen to say I am ...
1
vote
1answer
2k views

Problems with Intel Video Resolution on Acer Laptop Wide Display

I have an ACER Aspire 5332 laptop which I have just installed Ubuntu 12.04 x64, which is causing some issues with the video display on boot and video resolution. First and foremost, it will only boot ...
1
vote
3answers
10k 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 ...
1
vote
1answer
764 views

Ubuntu 11.10 on Asus K53TA Laptop no screen error?

I have an Asus K53 laptop with a AMD A6 APU and I cant seem to get the screen to work for GUI mode. I can Install it with the alternate CD but I can only see a blinking cursor then no screen detected ...
0
votes
1answer
450 views

How can I increase laptop lcd luminosity steps?

I was wondering if there's a way to tweak the steps that the luminosity of my lcd do when adjusting it from keyboard. It seems that they are just +/-30% of total, and that's pretty annoying, because ...
0
votes
1answer
742 views

Dim/Dark Screen on Acer Aspire

I do have WUBI on my desktop, but that computer is too laggy so I installed WUBI on my Acer Aspire laptop. Everything works fine except the screen is too dark. I tried to reinstall WUBI but nothing. ...
1
vote
3answers
1k views

Screen brightness not changing on a Packard Bell tx86 [closed]

I'm currently running ubuntu 11.10 on my Packard Bell tx86 when I try and use the fn key to change brightness, the icon thing appears in the top corner of the screen and the bar increases/decreases in ...
5
votes
1answer
5k views

Screen doesn't turn back on after resume on a Lenovo Thinkpad T420

Every time I suspend my notebook (Lenovo Thinkpad T420 - Intel HD graphic card) on Oneiric Ocelot 11.10 and turn it back on, the screen is black. The backlight is on and the system itself loads fine, ...
2
votes
2answers
2k views

Why doesn't my laptop screen brightness go down when unplugged after 11.04 to 11.10 upgrade?

As stated above, after the upgrade to 11.10 my laptop no longer dims the screen when I go on battery power. Why?
0
votes
1answer
214 views

screen corruption on lenovo 4446 laptop

After my Lenovo laptop has been on for a while, I get screen corruption starting to appear. Sometimes I have to restart the X server before it goes away, sometimes it goes away by itself. The ...
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 ...
0
votes
1answer
2k views

how to have the brightness icon displayed on acer laptop screen

I used to have a meter icon displayed on my Acer laptop screen when changing brightness or volume with the hotkeys - it would show the level of adjustment. I don't know what has been turned off or ...
1
vote
1answer
802 views

Stretch/Distortion. I have a large monitor, and it makes Ubuntu look so ugly

I have a fairly bad machine, but it does what I need it to do. I have a Compaq Presario All-in-One - CQ1-2025, and it is a 20" monitor. It's a cruddy machine, as I said, but all I need it for is for ...
3
votes
2answers
318 views

Screen intensity before and after inactivity

On my ThinkPad W520 laptop, after a short period of inactivity (eg. no mouse movement) on battery, the screen dims for power saving. When I move the mouse (ie. , the screen lights back up, but not at ...
0
votes
1answer
174 views

What resolution works best?

I want to buy a laptop and install Ubuntu 11 on it. Is there a particular screen resolution or dimension that is ideal? For example, if I'm choosing between 1600 x 900 or 1680 x 1050, these have ...