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ozp
Fanfold Paper
Posts: 12
Registered: ‎05-25-2017
Location: IL
Views: 2,198
Message 1 of 9

Yoga 900s , screen flickers after slee

Hello,

im connecting my Yoga 900s to external monitor with VGA-USB C adaptor.

after returning from sleep mode, the screen flickers for about 1-2 minutes and then stops and working just fine.

checked for drivers and etc, couldnt find any new.

what els can i do?

(i dont believe its hardware problem or cables problem- after 2 minutes everything works Ok...)

Retired Support Specialist
Posts: 3,772
Registered: ‎12-24-2015
Location: IN
Views: 2,119
Message 2 of 9

Re: Yoga 900s , screen flickers after slee

Hi there, Ozp -  

 

Thank you for writing in to the Lenovo Forum - happy to have you here today.

 

Please update the Intel driver from the Intel support site.

 

Update us how it goes.

 

 

 

 

Kindly note- Please mark the Answer as "Accept as solution" if information provided is helpful.

Give Kudos to a post which you think is helpful and reply oriented

ozp
Fanfold Paper
Posts: 12
Registered: ‎05-25-2017
Location: IL
Views: 2,110
Message 3 of 9

Re: Yoga 900s , screen flickers after slee

when i try to install the driver it says :" The driver being installed is not validated for this computer. Obtain the appropriate driver from the computer's manufacturer."

Retired Support Specialist
Posts: 3,772
Registered: ‎12-24-2015
Location: IN
Views: 2,094
Message 4 of 9

Re: Yoga 900s , screen flickers after slee

Click here to download Intel drivers

 

Update us how it goes.

 

 

 

 

Kindly note- Please mark the Answer as "Accept as solution" if information provided is helpful.

Give Kudos to a post which you think is helpful and reply oriented

ozp
Fanfold Paper
Posts: 12
Registered: ‎05-25-2017
Location: IL
Views: 2,078
Message 5 of 9

Re: Yoga 900s , screen flickers after slee

wow,

that helped.

not 100% fixed, still getting some flickers, but its just for a second now and then.

maybe the vga adaptor can cause alittle problems..

 

thanks alot!

JonSS
Fanfold Paper
Posts: 4
Registered: ‎07-21-2017
Location: AU
Views: 2,003
Message 6 of 9

Re: Yoga 900s , screen flickers after sleep

It's a little perplexing that this version 20.19.15.4463 of the "Intel (R) HD Graphics 520" driver on the Lenovo site is well over a year old, when on Intel's site, there's a days old version, with a very much lower version number: https://downloadcenter.intel.com/product/88355/Intel-HD-Graphics-520

Version: 15.46.02.64.4729 (Latest) Date: 7/11/2017

Edited bit: That version from the Intel site actually installs and shows as version 22.20.16.4729, but a few minutes after rebooting and installing, my screen went blank, and device manager showed I had reverted back to an even older driver, 20.19.15.4326 from November 2015. I haven't had a flicker since... yet. 

Falk2dot0
Blue Screen Again
Posts: 3
Registered: ‎07-12-2017
Location: CH
Views: 1,939
Message 7 of 9

Re: Yoga 900s , screen flickers after sleep

I'have  the same Problems here.

Shown in this Video.

After  Each Update from Windows. I Pray it would disapear. After a while.

I Installed from Intel the Driver Advicer. It says, there is a newer Graphic Driver, but I can't installed it, because I have a special driver by my Producer.  

https://www.youtube.com/watch?v=LbuRKmE1jtY

 

The Driver above is one year Old, is it possible that we get a new one if the Crators Update Fall is rolled out?

 

Screen flicker is not funny and it distuped my Work.

 

Thanks

Falk 

ozp
Fanfold Paper
Posts: 12
Registered: ‎05-25-2017
Location: IL
Views: 1,927
Message 8 of 9

Re: Yoga 900s , screen flickers after sleep

I managed to fix this issue.

Ive changed the vga adaptor to a new cable - usb c to display port. No issues at all! Maybe the adaptors are doing some issues.. edit: i see in your video that the diaplay of the pc itself flickers. Thats is other problem. I had a flicker screen when used external screen only.

JonSS
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Posts: 4
Registered: ‎07-21-2017
Location: AU
Views: 1,330
Message 9 of 9

Re: Yoga 900s , screen flickers after sleep

Just updating, with an observation I've made today, after updating to the newest available drivers on the Lenovo site, version 20.19.15.4463.

 

I've still had the screen do its flashing on and off thing at times.   What I have noticed though, is that it will still happen if I'm typing, or just looking at the screen, but the smallest movement of either the touchpad or a USB mouse is enough to stop the flashing and keep it from happening until after I take my finger away to start typing again. It's obviously not a hardware issue if continuous circular motion of a finger on the touchpad will stop it happening. 

I've also noticed that at the time it starts flashing, it's usually preceded by the internal fan coming on a few seconds earlier, but not always.

 

Does anyone else see these same behaviours?

 

By the way, I have no clue what causes it, and it seems Lenovo has about the same level of understanding, but it seems worse today with the 20.19.15.4463 drivers that it did yesterday with the 2015 ones, whatever version they were. 

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