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Tiger01
What's DOS?
Posts: 1
Registered: ‎08-26-2016
Location: GB
Views: 1,201
Message 1 of 3

N22 Blank screen on external monitor after a few minutes of use

Get a blank screen on external monitor after a few minutes of use.

 

Switching monitor on and off or disconnecting cable does not help. 

 

I can still use laptop screen and system still recognizes that there's an external monitor attached to it.

Connected to external monitor using hdmi cable.

Greenandroid
What's DOS?
Posts: 1
Registered: ‎08-26-2016
Location: GB
Views: 1,139
Message 2 of 3

Re: N22 Blank screen on external monitor after a few minutes of use

Mine is fine for a good while but then blanks, the monitor is still on so some kind of signal is being sent and the N22 is still sending the image to it, but it's not displaying. Very annoying, the only fix is to turn the N22 off and on
Lenovo Technology Partner
Posts: 570
Registered: ‎07-07-2014
Location: PH
Views: 762
Message 3 of 3

Re: N22 Blank screen on external monitor after a few minutes of use

Hi Tiger01,

I did some research about the issue and this may be a bug on the chrome OS. It seems like the OS is not able to get any feedback from the monitor which is why the display goes out. 

The people having the same issue recommended using and extension  to keep the unit from going to sleep. 

Here are the links from Google's forums and bug report about the issue. 

https://productforums.google.com/forum/#!topic/chromebook-central/WGW6CJFSFzY
https://productforums.google.com/forum/#!topic/chromebook-central/_LXVSwVeaQ8
https://bugs.chromium.org/p/chromium/issues/detail?id=677332

Hope this helps.

Cheers, 

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