0
votes
1answer
58 views

Why I cannot use the Fn + (up) to control the brightness?

I have a Lenovo zhaoyang K27 with Intel® HD Graphics 3000. Since I installed Ubuntu for the first time, about two years ago, I haven't been able to change the brightness by Fn+^. I found a solution in ...
0
votes
0answers
98 views

Error when using DisplayPort monitor - Lenovo X220

When I connect my Acer 21.5" LCD monitor to my Lenovo X220 using a DisplayPort to VGA connector, the monitor shows up under 'Displays' but when I enable the monitor, it doesn'twork and I get the ...
1
vote
1answer
2k views

How to choose dedicated videocard over integrated videocard in a laptop?

I have a Lenovo z580 laptop and it has 2 video cards Intel HD Graphics 2000 integrated in Intel Pentium Dual Core CPU B970 nVidia Geforce GT 630M. I use Bumblebee but it doesn't work for Virtual ...
0
votes
0answers
173 views

Why does my Lenovo y470p with Hybrid ATI/Intel card gets too hot?

I have a bit of a conundrum on my hands. I'm currently running with a Lenovo y470p which has intel/amd switchable graphics. It's running hd graphics 3000 and amd 7690m and I'd love to run Ubuntu on ...
1
vote
1answer
140 views

Screen shuts down when trying to install or try ubuntu? [duplicate]

I bought Lenovo Y510P and I want to use Ubuntu. When I try install or try Ubuntu the screen shuts down and nothing appears. When I selected to try Ubuntu. I hear the sound of Ubuntu start yet, the ...
1
vote
0answers
230 views

Lenovo G570 GPU hangs while playing games

I have a Lenovo G570 Laptop with the following specifications Memory 3.8 GiB Processor Intel® Core™ i5-2450M CPU @ 2.50GHz × 4 Graphics Intel® Sandybridge Mobile OS type 64-bit Disk 1.2 TB Samsung ...
2
votes
1answer
718 views

How to use Integrated GPU for Hybrid Laptop Intel/ATI?

So here's the problem, I have Lenovo Laptop Y460 equipped with Hybrid GPU that is an Intel Integrated GPU and an ATI Radeon HD 5650 as Discrete GPU. Basically I can switch the GPU either by switching ...
4
votes
0answers
998 views

GPU lockup on Lenovo Thinkpad Edge E130 [closed]

I recently bought a netbook Lenovo Thinkpad Edge E130 (Video card Intel HD Graphics, CPU Intel Pentium B997 ULV) on which I installed Ubuntu 12.10 64 bits. A systematic bug makes it annoying to use ...
1
vote
0answers
125 views

poor font rendering in browsers on 12.04

I'm using a Lenovo B570e. I've installed the mesa-utils for the graphic driver because it wasn't recognized by default. Now I have this: graphic card : Intel® Sandybridge Mobile x86/MMX/SSE2. I ...
3
votes
2answers
2k views

Problem installing Nvidia driver on Lenovo z570

I have a Lenovo z570, I found out that my laptop has two Graphic Card (Intel + Nvidia). When I tried to install Nvidia driver, I've got an error which says: The graphics driver could not find ...
0
votes
1answer
2k views

Are there drivers for Intel GMA 4500 integrated graphics for 64-bit Ubuntu 11.10?

I use the Lenovo N500 notebook and I installed on it 64-bit Ubuntu 11.10. All components except the Ubuntu recognized the graphics and they appear bugs when playing Flash games. Do 64-bit Ubuntu 11.10 ...
1
vote
2answers
6k views

VGA not detected on a Lenovo T420

I have problem with a VGA driver that is not detected on my Lenovo T420 with Ubuntu. 10.04 Output of lshw: *-display UNCLAIMED description: VGA compatible controller ...
1
vote
0answers
587 views

Intel HD drivers [closed]

I have a Lenovo G470 notebook and I want know if to improve my video card driver I have to only install kernel 3.1, or if I have to install a new intel video card driver, eg. Xorg Edgers? Thanks.
3
votes
0answers
2k views

Display not detected on a Thinkpad T420 [closed]

I just upgraded from 11.04 to 11.10 Everything is working except display is listed as "unknown" with max resolution of 1024x786. Does not give option to go higher. Laptop is a late model T420 with ...
26
votes
6answers
30k 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 ...