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Dell OptiPlex 5250 All In One screen brightness buttons do not work

Good day, who knows how to adjust  the screen brightness of Dell 5250 with Windows 7 Pro installed? Buttons on the screen do not work. OSD application installed, but not active. In setup OSD mode is enable.

 

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5 Replies
Moderator
Moderator

RE: Dell OptiPlex 5250 All In One screen brightness buttons do not work

Valery Tretyak,

Click the link below for information on the buttons.

OptiPlex 3240 / 7440 / 5250 All-In-One's 3 Unlabeled Side Buttons

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RE: Dell OptiPlex 5250 All In One screen brightness buttons do not work

Dear Jesse L, thank you for a prompt answer.

But I did not find the needed information . As I understand the buttons should adjust the brightness of the display, but they do not (the display turn on and the system powered on) please advise.

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Steketee
Copper

RE: Dell OptiPlex 5250 All In One screen brightness buttons do not work

Not sure why the Dell person couldn't give you a solid answer.  Anyway, I had the same problem and found the solution.  You need to install the OSD application.  Very simple and very quick.  The Win 7 version is here...if you haven't found it on your own already.  www.dell.com/.../driversdetails

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Steketee
Copper

RE: Dell OptiPlex 5250 All In One screen brightness buttons do not work

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RE: Dell OptiPlex 5250 All In One screen brightness buttons do not work

My config: OptiPlex 5250 with processor  i5-7500 and Windows 7 Pro 64-bit  - does not allow to install the DELL video driver. OSD application was installed without errors, but it does not work,

Maybe there is a problem with this?

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