Hello dejfmastejn
This unit has Intel G43 Express Chipset.
Looks like even Intel does not have this Chipset Driver any more.
There are some third party website which might help you to update the Chipset drivers:
http://www.driverscape.com/download/intel(r)-g45-g43-express-chipset
You can try the above link. This might work.
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K B T 86
Although I am an HP employee, I am speaking for myself and not for HP