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[Help] Resetting Changes made with Realtek's Test Utility

Jun 21, 2018
2 (0.00/day)
System Name Desktop; Lenovo IdeaPad 300-15ISK
Processor Intel Core i3-540; Intel Core i5-6200U
Motherboard Intel DH55HC; Lenovo Paris 5A8
Cooling Intel stock (copper base); Stock
Memory 6GB (2x3) DDR3-1333; 8GB (1x8) DDR3L-1600
Video Card(s) Integrated; Integrated
Storage ~10 HDDs of various sizes, capacities, and speeds; 1TB 5400RPM HDD
Display(s) Acer X193W+Dell E173FP; Stock glossy 1366x768p
Case Antec P9; Stock
Audio Device(s) Internal Speaker; Internal Speakers
Power Supply Antec HCG-520; Stock
Mouse A4Tech BW-35 (PS2); Synaptics Touchpad (with 2 hardware buttons)+ SilverLine RF-67BL (2.4GHz)
Keyboard SilverLine KB889 (USB); Stock
Software Solus/Ubuntu/Arch/Windows 10; Solus
Hello, I was experimenting with the Test Utility on my PC (it's a testbed for possible changes to other PCs), and as such, from time to time I reset changes.
Unfortunately, it would appear that the changes with the Test Utility are semi-permanent, since purging the system of anything to do with Realtek Audio, and then reinstalling the drivers (UAD), keeps the same changes.

Unfortunately, I do not remember what changes I have made, so can someone help me find a way to reset my changes?
If there is no other way, I'll be glad for a backup done on another PC with the same motherboard, the ASRock H97M.
Aug 24, 2018
694 (0.84/day)
System Name Dell Inspiron 7375
Processor AMD Ryzen™ 7 2700U Mobile Processor with Radeon™ RX Vega 10 Graphics
Memory 16GB (total) 2400MHz DDR4 SODIMM
Video Card(s) Radeon™ RX Vega 10 Graphics
Storage SanDisk X600 SATA SSD 512GB
Display(s) BOE NV13FHM
Audio Device(s) Realtek ALC3253 (Dell Labelling) ALC255 (Real name)
Click on the marked in red; the settings will be removed.