IdeaPad U430 Screen brightness randomly dims

hello,
i just had my new lenovo U430 ultrabook
latley i notice that once in a while
without any action before
the screen brightness on my laptop dim's himself
and only after i push the F11 buttom
the one that supose to lower the brightness
the screen go's back to the max light...
i did change the setting on windows power options
and chage maunaly in all plans the Enable adaptive brightness
i change it bay turning the function off on battery and plugged in options...
this laptop is amazing' but this little bug driving me crazy..
i hope you guys can find me a way to fix it..

Dear Matangeta
Welcome in lenovo community
Please go to power option from the control panel and set the plan to be Do Nothing and then give your laptop a restart then change the power plan to your preferable setting and test if the issue still exist or not .
Let me know
Thanks
Alaa
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Link to image
Moderator note: images totalling more than 50k converted to links per forum rules: Lenovo Community Participation Rules

Hi wppitp,
Welcome to Lenovo Community Forums!
I’m sorry to hear that your U430 has display issue and it is working fine in the external monitor; I would Strongly Suggest Calling Technical Support for Assistance so they can connect you to the exact department of contact.
Click here to open a link where you can select the country and get the exact contact support number. I’m sure they will be a great help.
Do post us back for further queries.
Best Regards
Shiva Kumar
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hi attilakk,
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hi Rivellio,
Welcome to the Lenovo Forums.
Just to verify, when you try to toggle the brightness up by pressing the brightness key (F12), is the brightness automatically going dim?
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99.4MB
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If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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IdeaPad U430 Screen brightness randomly dims

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