Hi. Got some problems

Hi, im just installed the IPC 10.5 or something intel amd sse1 sse2 sse3.

But now I have some problems.

The first one: Can not find my audio driver: Realtek 6.0.1.

and when the pc has idle for 1hour or something. its just locked..
and i need to turn it off by using the powerbutton on my laptop.

I got Emachings G725
Intel® Pentium® mobile processor T3400/T4200 (1 MB L2
cache, 2.16/2 GHz, 667/800 MHz FSB, 35 W), supporting
Intel® 64 architecture
Mobile Intel® GL40 Express Chipset


Dual-channel DDR2 SDRAM support
Up to 2 GB of DDR2 667 MHz memory, upgradeable to 4 GB
using two soDIMM modules5

Mobile Intel® GL40 Express Chipset with integrated 3D
graphics, featuring Intel® Graphics Media Accelerator 4500M
(Intel® GMA 4500M with up to 1759 MB of Intel® Dynamic
Video Memory Technology 5.0 (64 MB of dedicated video
memory, up to 1695 MB of shared system memory)

High-definition audio support with two built-in stereo speakers
MS-Sound compatible

anyone?? :(