the notebook samsung q 210 has got no brightness - nvidia issues - how to solve them?

hello dear community,

the notebook samsung q 210 has got no brightness.

in other words i cannot controll it. it is too dark

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see the data:
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Samsunng q 210, 12,1" OpenSuse 13.1: Intel® Core™ 2 Duo Proz. P8400 2,26 GHz 1066 MHz FSB 3 MB
PC2-6400 (800 MHz), DDR2 SODIMM ; NVIDIA GeForce® 9200M GS

any idea to change that?!

love to hear from you

greetings