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Atisoft
Paper Tape
Posts: 4
Registered: ‎05-08-2019
Location: HU
Views: 139
Message 1 of 7

After the 7WCN35WW bios update, the dedicated video card does not work.

My machine is an ideapad 330s 15ARR.
  After a bios update, the dedicated video card (Radeon 540) does not work. The video card is not visible to the system.
Bios do not work properly, settings cannot be saved.
The bios version is 7WCN35WW.
CMOS reset should not be considered because the laptop is still a guarantee.

Will there be another bios update recently?

Downgrade doesn't work under windows.

What can I do?

 

Social Support Agent
Social Support Agent
Posts: 271
Registered: ‎08-02-2018
Location: US
Views: 102
Message 2 of 7

Re: After the 7WCN35WW bios update, the dedicated video card does not work.

Hi Atisoft,

 

Welcome to the community forums.

 

Could you send us a screenshot of the display adapter drivers in device manager?

Have you tried downloading the Video card driver from our website and install it manually? Are you getting an error saying that the Radeon 540 is not installed or missing? We'd like to look into this further.

 

Thanks!



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Atisoft
Paper Tape
Posts: 4
Registered: ‎05-08-2019
Location: HU
Views: 82
Message 3 of 7

Re: After the 7WCN35WW bios update, the dedicated video card does not work.

Hello!
The Radeon 540 is not visible in the device manager, only the integrated video card (Vega 3).
Manual installation of the downloaded video card driver did not resolve the issue.
The BIOS does not even show "Graphic device Switchable Grabhic"
The BIOS settings cannot be saved. I get this error message:
"Failed to save storage: OilSetup. Status: Buffer Too Small."
The problem has been since Bios was updated.
The laptop never woke up from sleep mode, so I updated it.
This is good now.

I'm not near the laptop now, so I can't send a picture.

Thanks

Social Support Agent
Social Support Agent
Posts: 271
Registered: ‎08-02-2018
Location: US
Views: 75
Message 4 of 7

Re: After the 7WCN35WW bios update, the dedicated video card does not work.

Do you remember the BIOS version that you have before the updates? I found a similar discussion on our forum about the BIOS issue here: https://forums.lenovo.com/t5/Lenovo-IdeaPad-1xx-3xx-5xx-7xx/Ideapad-330S-15ARR-BIOS-7wcn35ww-Error-O... may check the link provided by Erica or we'll have to wait for newer BIOS updates. 

 

Admin note; fixed link



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Atisoft
Paper Tape
Posts: 4
Registered: ‎05-08-2019
Location: HU
Views: 66
Message 5 of 7

Re: After the 7WCN35WW bios update, the dedicated video card does not work.

Hi!

 

The previous BIOS version was 7WCN21WW.
The link provided by Erica does not work.
Look forward to another BIOS update.
I hope it will arrive soon.

Social Support Agent
Social Support Agent
Posts: 332
Registered: ‎08-02-2018
Location: US
Views: 55
Message 6 of 7

Re: After the 7WCN35WW bios update, the dedicated video card does not work.

Hey there, Atisoft! 

 

Please run the system update using the Lenovo vantage app https://support.lenovo.com/us/en/solutions/ht505081?CID=ww:lenovosocial:20x9m6 and install them all. After that, check the laptop again. Hit us back! 

 

Regards!



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Atisoft
Paper Tape
Posts: 4
Registered: ‎05-08-2019
Location: HU
Views: 31
Message 7 of 7

Re: After the 7WCN35WW bios update, the dedicated video card does not work.

Hi!

 

System update completed.

The problem was not resolved. Smiley Frustrated

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