Should I just give up and go back to Windows? (Sound problem)

Computer Type: PC/Desktop
System Manufacturer/Model Number: Custom
OS: Dual-boot with VMWare - Soon gonna attempt a Tri-boot for OSx86
CPU: Intel® Core™2 Duo CPU E8600 @ 3.33GHz × 2
Motherboard: Asus
Memory: Corsair 1333C9DHX (4Gb)
Graphics Card: GeForce
Sound Card: SoundBlaster X-Fi
Monitor(s) Displays: Just a beaten-up and scratched flatscreen -_-
Screen Resolution: 1680x1050
Keyboard: PS/2
Mouse: Could get a better mouse tbh
PSU: It's a Corsair modular thing. Keeps things tidy
Case: Alienware
Cooling: <3 Maybe on my next build <3
Hard Drives: Yes, lots . =)
Internet Speed: Whatever they feel like piping me I suppose
Browser: Whatever's installed. Firefox preferably
Antivirus: AYFKM Anti-virus 1.0
Other Info: It's about 5 years old now. Still keeping up with most games though!

Computer Type: PC/Desktop
System Manufacturer/Model Number: Dude Build
OS: Windows 10 Pro X64
CPU: Intel(R) Core(TM) i5-3570K CPU OC@ 4.5GHZ Turbo
Motherboard: MSI Z77A-G45 Gaming
Memory: 8.00 GB DDR3 1600Mhz
Graphics Card: MSI Gaming X GTX 1070
Sound Card: Realtek High Definition
Monitor(s) Displays: Dell S23O9W, HP L1710
Screen Resolution: DELL-1920 x 1080 HP-1280 x1024
Keyboard: Logitech
Mouse: MSI DS100 Interceptor
PSU: Seasonic X650 GOLD
Case: Zalman Z12
Cooling: Antec Kuhler 920
Hard Drives: Crucial m4 256 SSD, WD 7200RPM 500GB WD 1TB
Internet Speed: 50 down and 5 up
Browser: Chrome, IE 11
Antivirus: MSE
Other Info: Logitech X-620 Speakers

Computer Type: PC/Desktop
System Manufacturer/Model Number: Custom
OS: Dual-boot with VMWare - Soon gonna attempt a Tri-boot for OSx86
CPU: Intel® Core™2 Duo CPU E8600 @ 3.33GHz × 2
Motherboard: Asus
Memory: Corsair 1333C9DHX (4Gb)
Graphics Card: GeForce
Sound Card: SoundBlaster X-Fi
Monitor(s) Displays: Just a beaten-up and scratched flatscreen -_-
Screen Resolution: 1680x1050
Keyboard: PS/2
Mouse: Could get a better mouse tbh
PSU: It's a Corsair modular thing. Keeps things tidy
Case: Alienware
Cooling: <3 Maybe on my next build <3
Hard Drives: Yes, lots . =)
Internet Speed: Whatever they feel like piping me I suppose
Browser: Whatever's installed. Firefox preferably
Antivirus: AYFKM Anti-virus 1.0
Other Info: It's about 5 years old now. Still keeping up with most games though!

Computer Type: PC/Desktop
System Manufacturer/Model Number: Self Built Custom
OS: Windows 7 Ultimate Retail Box (64-bit installed) + Service Pack 1
CPU: AMD FX-8350 CPU v1.15 (or 1.0F) BIOS was required!
Motherboard: MSI 890FXA-GD70
Memory: 8G CAS-7 G-Skill DDR3 @1333 (2 fours) [mobo nonOC max rec'd]
Graphics Card: Radeon HD 7950 [3 gigs of GDDR5] MSI Twin Frozr model
Sound Card: Realtek High Definition Audio (onboard mobo, ALC-889 chip)
Monitor(s) Displays: 2 WS LED Monitors: One LG One Viewsonic
Screen Resolution: 1920 by 1080
Keyboard: Logitech G11
Mouse: Logitech M310 Wireless
PSU: Corsair TX850 - 850W max, in service since August 2010.
Case: Thermaltake Armor A90
Cooling: Thermaltake Spin Q CPU Cooler, in service since August 2010
Hard Drives: SSD for OS: Samsung 840 Pro SSD for VM and utilities: Adata SX900 7200 RPM SATA HDs for the rest: Hitachi and Seagate
Internet Speed: 100 Megabit broadband supposedly upgraded from 50 (Cable)
Browser: Pale Moon 64-bit main, also IceDragon, Opera, and Maxthon.
Antivirus: Bitdefender Internet Security 2014 suite
Other Info: CompTIA A+ certified (220-800 series) in July 2013.