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Retired Support Specialist
Posts: 2,826
Registered: ‎08-01-2013
Location: Bangalore
Views: 4,776
Message 11 of 65

Re: I tried everything and it doesnt work

Hi Ghosteri,

 

Welcome to Lenovo Community Forums!

 

I’m sorry to inform you that as the driver is getting updated in our Support website to increase the compatibility and resolve the issues, this is the reason I have provide the link to directly download the latest display drivers for the computer.

 

Do post us back for further queries.

 

Best Regards

Shiva Kumar



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Ghosteri5
Punch Card
Posts: 21
Registered: ‎10-28-2012
Location: United State
Views: 4,761
Message 12 of 65

Re: I tried everything and it doesnt work

Hi,

 

"I’m sorry to inform you that as the driver is getting updated in our Support website to increase the compatibility and resolve the issues"

 

I am a little confused about that response??    that is exactly what i wanted to know , if lenovo is working in releasing newest intel drivers. It seems you indicated they are working in doing that, if so then nothing to be sorry about. That is great news.

 

If lenovo works better at releasing new drivers (for all parts)  faster than once a year, a lot people wouldn't have those little annoying problems everytime windows get updates.  Smiley Happy     9.17.10.2932 <--- almost a year old, there are a lot new versions out after that one , and newest drivers have a lot new fixes in them.

 

I hope to see the new drivers soon.

Retired Support Specialist
Posts: 2,826
Registered: ‎08-01-2013
Location: Bangalore
Views: 4,740
Message 13 of 65

Re: I tried everything and it doesnt work

Hi Ghosteri,

 

Thank you for your valuable response, we will make sure that the latest drivers will get updated in the Support Website. Please feel free to post us back for further queries.

 

Best Regards

Shiva Kumar



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sassMaster
What's DOS?
Posts: 1
Registered: ‎12-21-2013
Location: bartlett
Views: 4,679
Message 14 of 65

Re: Can't adjust brightness in Windows 8.1 for IdeaPad Z400

yeah i had the same problem with the new update. so even though these were old updates they worked like a charm

uungas17
Blue Screen Again
Posts: 1
Registered: ‎01-14-2014
Views: 4,572
Message 15 of 65

Re: Can't adjust brightness in Windows 8.1 for IdeaPad Z400

same as idepad s405?

zakri
What's DOS?
Posts: 2
Registered: ‎02-09-2014
Location: indonesia
Views: 4,460
Message 16 of 65

Re: Can't adjust brightness in Windows 8.1 for IdeaPad Z400

hi tnankz for the solution but after a while it came back again and did the same thing and i still can`t adjust the brightness in my z400 whatever i do plz help my eyes are gettin weak thankz

Retired Support Specialist
Posts: 2,826
Registered: ‎08-01-2013
Location: Bangalore
Views: 4,448
Message 17 of 65

Re: Can't adjust brightness in Windows 8.1 for IdeaPad Z400

Hi Zakri,

 

Welcome to Lenovo Community Forums!

 

As the issue persists even after installation of the drivers, I suggest you to perform “System Restore” in the computer to get the issue confirmed. Below is the link for the steps to perform “System Restore” in the computer:

 

Do post back with the findings

 

Best Regards

Shiva Kumar



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TJF
What's DOS?
Posts: 2
Registered: ‎02-12-2014
Location: Houston TX
Views: 4,429
Message 18 of 65

Re: Can't adjust brightness in Windows 8.1 for IdeaPad Z400

The driver "updates" above worked on my P500 Touch.  I installed the Energy Management driver first but did not reboot, then installed the Video driver, and as soon as it finished the screen brightened.  Then rebooted and all is well. 

The driver that was initially installed was 10.18.10.3379

The driver loaded from the instruction above 10.18.10.3277 (was warned that it was earlier version but proceded).  Maybe the reinstallation reset something.

 

I don't know why the Lenovo driver updates haven't addressed this.  It showed up several months after I upgraded to Win 8.1 but propably the first time I used the F11 -screen brightness key.

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Retired Support Specialist
Posts: 2,826
Registered: ‎08-01-2013
Location: Bangalore
Views: 4,416
Message 19 of 65

Re: Can't adjust brightness in Windows 8.1 for IdeaPad Z400

Hi TJF.

 

Welcome to Lenovo Community Forums!

 

I’m glad to hear that the issue is resolved by performing the above mentioned troubleshooting steps. Please feel free to post in Lenovo Community Forums if you have any further queries!

 

Best Regards

Shiva Kumar



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fionanachan
What's DOS?
Posts: 1
Registered: ‎02-16-2014
Views: 4,380
Message 20 of 65

Re: Can't adjust brightness in Windows 8.1 for IdeaPad Z400

thank you so so so much, shiv_k!!

 

very comprehensive solution along with the relevant links for downloading the new drivers..

 

my brightness came back to life the moment the final installation was complete!!

 

couldn't be happier! two thumbs up!! Smiley Happy

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