QUOTE(edwardng @ Apr 28 2010, 07:30 PM)

May i ask something
Acer Aspire 4745G
Optimized 3rd Generation Dolby® Home Theater®7 audio enhancement features including Dolby® Digital Live, Dolby® Pro Logic® IIx, Dolby® Headphone, Dolby® Natural Bass, Dolby® Sound Space Expander, Dolby® Inverse Filtering, and Dolby® High Frequency Enhancer technologies
Acer Aspire 5741G
Two built-in stereo speakers
High-definition audio support
This two laptop speaker has lots differences?

I don't think so,laptop speaker almost the same except if 1 of them using altec lansing and others with etc should be different.
QUOTE(carepayer @ May 4 2010, 09:22 PM)
does ati 5470 has any drivers?
Yes,you can refer to Acer service and support side to download,or go to ATI web for driver.
QUOTE(aaronwee @ Jun 6 2010, 09:47 PM)
may i ask if Acer Aspire 5740G-524G50 is a discontinued model?
... and replaced by Acer Aspire 5741G ?
what's the upgrade or difference between these 2 models? anyone care to share please

The upgrade only Change the GPU from ATI HD 5470 512mb to Nvidia GT320M 1GB.
Thats all,nothing slightly different just more memory and faster a bit only.