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Pao7
Paper Tape
Posts: 3
Registered: ‎10-01-2019
Location: HK
Views: 574
Message 21 of 30

Re: T490S Faulty UHD620 drivers: 26.20.100.7063

I have the same problem :-(
Usama11
What's DOS?
Posts: 1
Registered: ‎10-01-2019
Location: AU
Views: 467
Message 22 of 30

Re: T490S Faulty UHD620 drivers: 26.20.100.7063

Faulty T490s Graphics driver.
Started after 27th September, I have had 4 users so far report the issue to me, we have next day support from Lenovo. All users have contacted Lenovo so far with no solution.

Please if some one can provide a solution and how this can be prevented as we have new Lenovo T490s in stock which will be going out to different users soon.

Thanks

Pao7
Paper Tape
Posts: 3
Registered: ‎10-01-2019
Location: HK
Views: 424
Message 23 of 30

Re: T490S Faulty UHD620 drivers: 26.20.100.7063

I contacted lenovo support and they look like they don't know anything about the issue.

Did someone get a different answer from them?

mhmoudsami
What's DOS?
Posts: 1
Registered: ‎10-01-2019
Location: SA
Views: 418
Message 24 of 30

Re: T490S Faulty UHD620 drivers: 26.20.100.7063

I tried all the solutions from downloading the latest version from intel to the latest version from Lenovo but the issue still the same. 
here is what works with me 

1- if nothing work with you as a quick fix you need to disable the uhd620 driver from device manager 

2- what really worked with me is update the driver and pick an old version fro the driver 

 - right-click on (this pc)

- manage 

- device manager 

- display adapter 

- you will find the uhd620 driver 

- right-click

- update driver

- brows my computer for update driver 

- let me pick from a list 

- then choose the oldest version 
Annotation 2019-10-02 091029.pngAnnotation 2019-10-02 091103.png

 

Pao7
Paper Tape
Posts: 3
Registered: ‎10-01-2019
Location: HK
Views: 368
Message 25 of 30

Re: T490S Faulty UHD620 drivers: 26.20.100.7063

Thanks a lot. I tried your steps and it seems to work. You solved the problem in one minute while lenovo support made me lose the whole morning to finally tell me to bring the pc to an assistance center. Smiley Very Happy

aleksanderXXX
Paper Tape
Posts: 3
Registered: ‎09-30-2019
Location: PL
Views: 355
Message 26 of 30

Re: T490S Faulty UHD620 drivers: 26.20.100.7063

IS it working after restart?

VetoLenovo
What's DOS?
Posts: 1
Registered: ‎10-02-2019
Location: CA
Views: 311
Message 27 of 30

Re: T490S Faulty UHD620 drivers: 26.20.100.7063

Here is how I fixed it (all our T490S with the latest driver are broken.

 

1: Download the older driver for T490S (version 26.20.100.6860)

https://support.lenovo.com/us/en/downloads/ds539039

 

2: uninstall your current driver from device manager (hardware and driver)

 

3: reboot

 

4: Install the 6860 driver

 

5: Reboot

 

And voila...

aleksanderXXX
Paper Tape
Posts: 3
Registered: ‎09-30-2019
Location: PL
Views: 308
Message 28 of 30

Re: T490S Faulty UHD620 drivers: 26.20.100.7063

timngyou
Paper Tape
Posts: 5
Registered: ‎09-30-2019
Location: GB
Views: 292
Message 29 of 30

Re: T490S Faulty UHD620 drivers: 26.20.100.7063

Well, it looks like they've pulled the latest faulty version (7063) from the downloads page because this older 6860 version wasn't listed there before!
Highlighted
SMilesD
What's DOS?
Posts: 2
Registered: ‎01-09-2018
Location: AU
Views: 84
Message 30 of 30

Re: T490S Faulty UHD620 drivers: 26.20.100.7063

Thank you @VetoLenovo. This solved the problem for me.

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