How can i find to connect the msi mother board(ms-7507 ver:1.0 N1996) speaker and other power cable on internal connection..

go to here under service at bottom of page see warranty http://www.msi.com/product/mb/945GCM7F.html

SORRY ABOUT THE PROBLEM IF YOU DESCRIBE IT SAME CAN
HELP YOU.

Dear,
Here is a link for all details schematic for your desired motherboard.

http://notebookreparos.com.br/notebooks/mobo-schematics/MSI/MSI%20MS-7318%20-%20REV%201.01.pdf

For its specs in details

http://www.compusa.com/applications/SearchTools/item-details.asp?EdpNo=4222488&sku=M452-2671


best of luck!

http://www.free-4all-download.com/motherboard/motherboard+msi+ms-7507+ver+1.0+descargar+gratis+download

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Also if so inclined Feedback is appreciated, Thanks and good luck!!

http://exehub.com/pm8m-v-ms-7104-ver-1-0motherboard-drivers-audio-vgamanual/

MSI 945GCM7-F (Msi ms 7507 ver 1.4)Motherboard Drivers

check the device manager and see if the drivers are installed correctly. if not install them.

MSI 945GCM7-F (Msi ms 7507 All Drivers

http://www.google.com/search?hl=en&rls=com.microsoft:en-us&ei=dP57Soy4HILasQO84fzuCg&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=msi+n1996+motherboard+drivers&spell=1

Go to this Google page, there are several sites to download from.

Good Luck

MSI's website has drivers for your board.

Try this link

http://www.msi.com/index.php?func=downloaddetail&type=driver&maincat_no=1&prod_no=190

Let us know if you run into any bumps