Not having sound issues, its purely microphone recording issues. Three different microphones on two different machines have issues. First is an alienware m11x laptop, the built in laptop mic works reasonably, but with any headset mic's it is barely audible.
The second machine is about 2 months old, brand new and these are its specs;
Phenom II x6 @ 3.3Gz
ASUS Crosshair V 990FX - RoG Series (Onboard sound)
8GB 1600MHz G-Skill RipjawX RAM
Radeon HD 6950 2GB IceQ x Turbo x
Corsair Gaming Series 800W PSU
Samsung 1TB 7200RPM
Both the custom pc and the laptop are using different versions of windows 7 ultimate 64-bit, from two separate disks and when trying to record using either microsoft windows sound recorder, audacity or fraps the sound is amazingly low.
All of the drivers are functionable, and with a 100% volume and 30DB boost, i can be just about heard, but the white noise drowns me out making it useless.
I have seen all the threads you have posted before, as i have had a good look around to see if any fixes have been issued, the ones that have been, such as the decibel boost or the 'exclusive control' i have already tried before looking online as i have
a pretty strong understanding of computer hardware and software.
The main reason i asked here was because a lot of people was reporting this problems while using windows 7 64-bit, like me. But to be honest i think it may be the REALTEK HD AUDIO CODEC/Drivers, i may just go and buy a sound card to see if that will fix
the problem... any recommendations that don't use REALTEK drivers are welcome.