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32 Posts

06-03-2011

UK

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  • Message 51 of 55

Re: X220 uncontrollably switches to 50Hz refresh rate upon unplug from power source

2011-10-22, 16:05 PM

That is a good question. Hope someone knows.

X220 4286 CTO, i7-2620M, 8GB RAM (2x4), 320GB HDD+Intel mSATA 80 GB, IPS display, BT 3.0, Intel 6205 WiFi, Finger Print Reader, Win7 Pro 64
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10 Posts

12-26-2011

Germany

11 Signins

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  • Message 52 of 55

Re: X220 uncontrollably switches to 50Hz refresh rate upon unplug from power source

2011-12-26, 10:20 AM

26.12.2011 problem still persists..

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5528 Posts

04-25-2008

United States of America

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  • Message 53 of 55

Re: X220 uncontrollably switches to 50Hz refresh rate upon unplug from power source

2011-12-26, 15:55 PM

Hi SilverShadow!

 

Make sure you have the latest Lenovo Intel Graphics Control Panel>Power>Plugged In, and On battery, set to Maximum Performance.

 

Hope this helps!

USB-C: Just cos it fits don't mean it works.
I don't work for Lenovo. I'm a crazy volunteer!
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10 Posts

12-26-2011

Germany

11 Signins

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  • Posts: 10
  • Registered: ‎12-26-2011
  • Location: Germany
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  • Message 54 of 55

Re: X220 uncontrollably switches to 50Hz refresh rate upon unplug from power source

2011-12-26, 16:12 PM

Worked - thank you very much! :smileyvery-happy:

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5528 Posts

04-25-2008

United States of America

39871 Signins

764098 Page Views

  • Posts: 5528
  • Registered: ‎04-25-2008
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  • Views: 764098
  • Message 55 of 55

Re: X220 uncontrollably switches to 50Hz refresh rate upon unplug from power source

2011-12-26, 16:17 PM

Thanks for getting back with result. It may help others!

USB-C: Just cos it fits don't mean it works.
I don't work for Lenovo. I'm a crazy volunteer!
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