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 the button in the laptop or directly from the software program.


What annoy me is when I install Ubuntu as Dualboot alongside my windows 7, and once I boot to Ubuntu; The Discrete GPU turn on automatically. I don't like it cause I don't need it and the worst is it could drain my battery and overheat my laptop till it get shut down automatically.

So what did I do? I read a ton of post/article about this switching thing. This led me try these "How-to in step by step" hxxp://ubuntuforums.org/showthread.php?t=1930450 hxxp://wiki.cchtml.com/index.php/Ubuntu_Quantal_Installation_Guide

  1. I try to install ATI Catalyst driver 3 times but eventually it failed when I reboot it. The result is

    hxxp://i.stack.imgur.com/Y1A2S.jpg hxxp://i.stack.imgur.com/8VQyh.jpg

So I choose the first option "Running in low graphics session". But unfortunately when I got into desktop view, everything is blank including the dock and taskbar except the purple background color of ubuntu and the system also give a notice "System is corrupt"

While for the case of "Linux Mint", when I boot into Linux Mint - My view become Command Line Interface instead of GUI. The system also give a notice "XOR Server fail to start".

2.Another way is I try to switch off the Discrete GPU from BIOS, but sadly there is no option for Integrated GPU under the "Graphics tab". Instead the option is only 2, either switchable graphic or Discrete GPU.

So here I am, Now I'm stuck - don't know what to do. Could you help me how to solve it? (my purpose is I just want to use the Integrated GPU).

Lenovo IdeaPad Y460 Specifications:

  • 14.0" HD Wide LED 1366x768
  • Windows 7 Home Premium 64-bit
  • Intel Core i5 520M processor (2.40GHz, 3MB cache)
  • ATI Mobility Radeon HD 5650 with 1GB VRAM and Intel GMA HD Switchable Graphics
  • 4GB DDR3-1066 RAM (2x 2GB)
  • 500GB 5400RPM hard drive (Seagate 5400.6)
  • Intel Wireless Wi-Fi Link 1000BGN
  • Built-in Bluetooth v2.1+EDR
  • 8X DVD burner
  • 6-cell Li-ion battery (11.1V, 57Wh)
  • Weight: 4.98lbs
  • Dimensions: 13.4 x 0.79–1.3 x 9.25 inches

I would suggest to start with the default open source driver... then try with vgaswitcheroo..

instructions here..


I have a hybrid ATI/ATI graphics in my HP and both are enabled by default. using instructions from above I can disable the discrete graphics.. I still have to install this at boot and solve after suspend issues..but laptop is now cool to the touch

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