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  • Posts: 2
  • Registered: ‎06-10-2016
  • Location: US
  • Views: 88
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Y40-70 - Intel Graphics update breaks display & unable to use AMD graphics

2016-06-10, 20:16 PM

Hello all,


I have recently done a completely clean install of Windows 10 on my Y40-70. I am experiencing two graphics related issues:


1. The latest Intel HD Graphics Driver update breaks the display. When either updated by Windows Update, or myself from Lenovo's website (link), the update causes the screen to immediately go blank and stay that way until I go into safe mode, and disable the driver in Windows Device Manager.


2. I am unable to use the AMD graphics card (Radeon R9 M275). Currently Device Manager tells me that the driver for the device is up to date (15.200.1050.0) but Catalyst Control Manager cannot see the card, and nothing I can do will make the machine switch to that card. I have tried multiple times cleanly uninstalling all AMD everything, and reinstalling from both Lenovo's site and AMD's, to no avail.


I imagine that these problems are related, but I'm not sure how. Any help would be appreciated. Thank you.

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