graphic problem with G530 4151/200

Hello

I'm french so excuse me if my English is not very well...

My laptop is a lenovo G530

Intel pentium dual core 2.16 GHz
3 GB RAM DDR2
NVIDIA Geforce 9300 M GS 256 MB dedicated.

Latest driver for lenovo (October 2008)

latest lenovo bios (April 2009)

Sometimes, when I use my computer, my aero is not smooth. There are a few shifts. the animation is slow and are not smooth. If I open the control panel Nivida, the lag is gone, but it is s back a few minutes after. If I disable Powermizer, disepears lag. But without powermizer, the graphics card is overheating (60-68 ° C idle). So I put powermizer.

But this shift are horrible. When I bought the computer, I do not have this delay, I this late since I spend from Windows 7 to Vista. My computer was purchased with Vista. I installed the update to the bios when I was on windows 7.

I have tried many different drivers and it seems that the only way to stop this shift is to disable powermizer.

Is there another solution? I do not have the backup of my bios previoux, where can I find my previous bios?

Hope someone could help me...


Tags: Lenovo Notebooks

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