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Samsung r580 hot keys + touch pad features not working

February 26, 2013 9:33:42 AM

R580 Notebook
Model Number: NP-R580-JSB1US

bios:p hoenix technologies ltd

version :11jb.m044.20100622.hkk
date 6/22/2010

samsung r580 hot keys + touch pad features not working

i did a bios up date from samsung website
and it then it stop working properly on fn keys that currently work are standby mode, volume controls, touch pad disable key,scroll lock key.

keys that do not work are brightness control,wireless disable key,battery check key,pause brk key, and others

touchpad feature such as scroll control ,zoom in n out ,rotate do not work.

i try downloading easy display manager and reinstall it and it did nothing i think is the bios because it stop working then after the bios update.

all help would be appreciate it thank you
if you tell me how to downgrade and find the file