G580 (20150) Brightness Hot key Problem

Hello there guys!
I'm experiencing some problems after the lenovo support techs changed the hard drive of my 4-month G580(20150) laptop.It seemed that they didn't get to install some drivers concerning sound,wlan etc. but i did manage to do this by myself.
The only issue i didn't solve was the Hotkey concerning the Brightness(Although the Fn+Sound was automatically solved when i downloaded the sound drivers).I've read similar problems from other users and followed the steps by unistalling the Lenovo Energy Management,restarting and istalling the LEM v 8.0.2.5 again but nothing.Problem still there.
Any ideas about it??
Thanks in advance
Solved!
Go to Solution.

Hello Boogy,
What happens when you press Fn+Up arrow? Have you tried to find the appropriate drivers from here for your machine: http://support.lenovo.com/en_US/research/hints-or-tips/detail.page?&DocID=HT073548
Microsoft Certified IT Professional (MCITP)

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LENOVO G580 HOT KEY NOT WORKING

Sir, I bought lenovo laptop g580 my model no is
WB0208030S.. i bought one month before... now the hot keys for brightness, volume , wireless are not working... i can't operate my hotkeys which is now harder to activate wifi for me ...when i press Fn+f5 key the wireless option which displayed before is not now showing it is same for brightness(Fn+down/up) and volume (Fn+right)....
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Hi and welcome to the community!!
All the hotkeys combinations are controlled by the lenovo energy management software. So i reccomend you to reinstall/install it again. Its setup would be present in the lenovo drive of your hdd. If not then please download it from support site.
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Solved!
Go to Solution.

Hi All,
Welcome to Lenovo Forum! DaemonDriver, your name somehow caught my attention
Understand that it seems there is problem with the brightness hotkey even with the latest hotkey driver v3.02. To further the investigation, may i know
what OS (home? 64bit?) are you using?
currently using v3.02 ?
machine type number (e.g. 7660-14A)
power manager version?
Hope to hear from you soon.
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Important Note: If you need help, post your question in the forum, and include your system type, model number and OS. Do not post your serial number.
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G580 (20150) Brightness Hot key Problem

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