Screen Brightness Changes At Boot Up

I have a new Lenovo T410s ntbk.  When I change the screen brightness, and then startup the next time, it keeps reverting to full brightness setting.  Instead of starting up next time with what I adjusted it to.  Not sure what the cause is.  Thank you!!
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try to go into the bios to see if there are any option.
jrbandersonAuthor Commented:
I will try that tonight. I am still unsure how that would change my issue.

I change the brightness to 12 from 15 (max).  The next time I startup, its back at full 15.  From what I see on the BIOS settings, not sure how this would be corrected, but perhaps its in there somewhere.  Thank you.
jrbandersonAuthor Commented:
I looke din the BIOS and nothing that changed it.  It still happens.
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Ivano ViolaSystem AdministratorCommented:
Are there any settings in "Graphics Properties" that may help?

1. On the desktop, right click and choose "Graphics Properties"
2. Choose "Power", then "Power Features"

jrbandersonAuthor Commented:
Video driver is most current.

I updated BIOS to most current.

Issue sill remains.
if it was ok before, a rollback of the driver can help, or a system restore to a period it was ok !
otherwise, it can be a hardware problem
you can troubleshoot it by installing an other OS on a separate partition
jrbandersonAuthor Commented:
If was never ok.
then i would ask for a warranty repair or replacement; no need to fiddle around...

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