Well you're in luck!
This link contains everything you are looking for for your ECS 741GX-M
This is the only site you should trust for your computer, because they are the manufacturer of your computer systemhttp://www.ecsusa.com/ECSWebSite/Product/P...=50&LanID=9
The link I posted above is your computer's main support page and contains links to many other resources such as drivers, manuals, BIOS firmware and many other important pieces of helpful information.
Look for the DOWNLOAD tab and click it, look for the word BIOS, click it and a page will display with your BIOS firmware updates and a flash utility that updates the BIOS chip.
Click the word manuals and you'll get a list of manuals you can download.
Click drivers and those are the correct drivers for your computer.
No need for driver detective, you have the correct resources right here from the company who put your computer together!
If you have any further questions please ask.
Edited by MrBruce1959, 13 July 2010 - 11:12 AM.