It's the same problem that happens with Hard Disk Drive where the files have been written in the most farther sector. To solve this dot he following:

1. Create some space on your SSD. Yes, it's important to have as much free space you can have. Don't do it if your drive is 90% space, a lot of the data will be written on it. Make as much of it free as you can.
   Note: You can't do it with the widnows own Defragmenter as SSDs aren't supposed to be defragement as it consumes write cycles and there is only so much write cycles on an SSD.
2. Download and install Defraggler.
3. Close every application on your PC as much as you can because temporary files gets written by those application. Then open Defraggler.
4. Right Clik on your Drive→Advanced→Defrag Freespace
   Note: Don't use normal defragmenation. It will only move files farther away and reduce the amount of free space you can see earlier. Guess how I learnt that.
5. This should move files to the beginning of your SSD and should be more than enough, if however you need a lot more space like I did, select the Defrag Freespace again and again until you have desired quantity. However after a certain while it will be difficult to reduce more space in which case see the next step.
6. Right Clik on your Drive→Advanced→Defrag Freespace(Allow Fragmentation).
   Note: Yes, we are actually fragmenting files on purpose to make them move out of the end and to the beginning.

Fixing Permissions:

The better solution is to give the user account called 'Network service' full permissions for the appropriate folders and registry entries. Simply follow these instructions I found on another forum:

C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtection
C:\Program Data\Microsoft
Both these folders OfficeSoftwareProtection & Microsoft:
Properties > Security > Edit > Add > Network Service > OK > Check the Full control box > Apply and OK.

Regedit.exe -> HKEY_CLASSES_ROOT\AppID
Right Click on the Folder > Permissions > Add > Type NETWORK SERVICE >  OK > Check Full Control > Apply > OK

Navigate to Computer Configuration->Windows Settings->Security Settings->Local Policies->Security Options

Enable "User Account Control: Admin Approval Mode for the Built-in Administrator account" which is set to Not Defined.

Reboot.

about Hard Drives failing. Drives still work for more than 5 years even after them showing an error.

 HDDs and SSHDs. They help with the consistent speed graph.

. Try converting to Retail.

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Windows Search.
Right-click the “Windows Search” key (folder) in the left pane and select New > DWORD (32-bit) Value.

Name the value “AllowCortana”. Double-click it and set the value to “0”.

You can now close the registry editor. You’ll have to sign out and sign back in or restart your computer before the change takes effect.

OBS Not Running on Integrated Graphics (Black Screen on Display Capture):
Windows->Graphics Settings-> Classic App-> Select OBS or the app you want to force run on Integrated Graphics-> Power Saving-> Done

1) regedit:
2) cmd Folder-> Computer\HKEY_CLASSES_ROOT\Directory\Background\shell

Permissions -> Advanced

3) Change ownership to yourself from Trusted Installer. (Put your username in search field and search, it will automatically fill it for you, e.g. LAPTOP123/username
4) Back in the Permissions window, select Administrators from the top section and allow Full Control by checking the Allow checkbox on the dialog, then apply the changes and close the window

Now, delete the DWORD “HideBasedOnVelocityId” for CMD from the Registry Editor

5) Open Task Manager->Details Tab-> explorer.exe-> End Task.

6) Run Task-> explorer.exe

Open up regedit

Computer\HKEY_LOCAL_MACHINE\System\ControlSet001\Control\GraphicsDrivers\Configuration

Click on the display listed, should see 00 subkey and if multiple displays 01. Click those and change scaling to 3

Reboot.

To anyone still having trouble getting YouTube videos to play!!!!!! Download this and follow the instructions for installing it: https://addons.videolan.org/p/1154080/ then if it doesn’t work after that, follow these instructions:

Troubleshooting:

/! Follow these steps if and only if you have already installed the script and it doesn’t work..

/! for the actual script see the “download” button (playlist_youtube.lua) below.

If the videos list appears in the Vlc “playlist” view but the videos won’t start, follow this steps:

1) delete the file “youtube.luac” in [vlc directory]/lua/playlist directory (ex: c:Program FilesVideoLANVLCluaplaylistyoutube.luac)

2) get the latest version of thr “youtube” script from here:

https://raw.githubusercontent.com/videolan/vlc/master/share/lua/playlist/youtube.lua

3) place the file in the directory [vlc directory]/lua/playlist (where “youtube.luac” was)

1) Remove Disk Caching for all drives esp with SSHD and HDD.

2) Windows Defender:

Remove Steam Folders from Virus Scans from all your locations.

3) Task Scheduler:

Remove Windows Defender Scans while the PC is being used.

4) CSGO Launch Options:

-high -novid -nojoy

The following is only for Intel HD Graphics and you have to check it out if you get stutters or not.

-noubershader

5) Remove Crap Windows Apps.

DO NOT REMOVE WINDOWS STORE, NVIDIA Control Panel is downloaded from Windows Store.

Create a System Restore point first

Double click to remove an app

Remove all that you don't need.

6) Windows Power Management:

PCI Express: Power Management Off

If On Intel Graphics: Maximum Performance

Make sure the maximum is set to 100% on Plugged in.

7) Graphics Card Settings:

Make sure every extra feature is turned off and only the multi-threading option if available is turned on. (Threaded Optimization)

Try both shader cache options turned on and off, it seems to get mixed results.

8) Make sure your games are using your graphics card.

Sometimes these graphics card settings are overridden by Windows Graphics Power Save.

Bonus: OBS Settings, if the game is running on GPU set it to High Performance, if you are running on Intel HD, set it to Power Saving.

Best way to get performance out of OBS Studio is to make sure your games run in Windowed mode and OBS is set to power saving.

9) CSGO In game settings: Turn everything off except multithread. Also run it in Fullscreen if you are not recording.

10) Turn off sysmain service.

You might have to stop the service if it is already running.

11) Make sure apps that you don't use at startup are turned off.

Check the apps location which you are suspicious of.

12) Make sure services you don't need at startup are turned on.

It's msconfig

Make sure you hide all microsoft services.

Only turn off services you are sure about you don't need at startup.

Don't turn off Nvidia, AMD, Steam, BattleEye. 

Do turn off update services.

Restart

13) Clear temp and prefetch.

temp

%temp%

prefetch

Some files won't delete as they are being used. No need to worry.

14) Some visual elements

15) Let PC handle Paging

16) Run Malware bytes once, remove malware, and then uninstall it.

See as you can see I had a bunch of adwares in Chrome.

If you want to keep Malware bytes, keep it, make sure it's not starting with a system and you open it manually.

17) Try playing the game in 4:3 instead of full screen, you will have less FOV but if it's stretched, it's easier to hit.

For some people the graphics won't stretch and you will see black bars. Check your GPU Settings to find the settings to change it, if you can't find it here is a fix.

Restart.

 (400MB 10min video took 1 hour to encode on i5-8250u):

level=4.0:vbv-bufsize=25000:vbv-maxrate=20000:rc-lookahead=30:bframes=16:b-adapt=2:direct=auto:me=tesa:subme=10:analyse=all:trellis=2

Default Compression in Handbrake:

level=4.0:vbv-bufsize=25000:vbv-maxrate=20000:rc-lookahead=30

C:\Windows\System32\taskkill.exe /F /IM steam.exe

Win+R->msconfig->Boot->AdvancedOptions->[✓]Number Of Processors->Maximum Value
 

Streaming Help Guides:

Disable Hardware Acceleration.

OBS Can’t record Chrome:-

If hardware acceleration is disabled in chrome- Use integrated GPU.

If hardware acceleration is enabled in chrome - Use dedicated  GPU.

OBS Settings:-

If the game is running on GPU set it to High Performance, if you are running on integrated Graphics Card, set it to Power Saving.

Best way to get performance out of OBS Studio is to make sure your games run in Windowed mode and OBS is set to power saving.

Shortcut to Windows Graphics Settings:-

ms-settings:display-advancedgraphics

Speculation:

VVI: Don't let Windows Update the Display Driver From Microsoft Basic to Intel 620 UHD. It is the culprit that seems to cause both the black screen and the audio issue.

Before Installing the Graphics and Audio Driver, disable Windows Update and pause it for as long as you can first.

Before connecting to the internet, go to System Properties-> Hardware -> Device Installation Settings-> NO [THIS DOES JACKSHIT IMO BUT DO IT NONETHELESS]

Then uninstall installed Intel Graphics and all audio by Windows first. Make sure to select the remove software option too.

Uninstall both the graphics and audio software if you still have any. [Windows will use a Windows Basic Display Driver if your PC/laptop doesn't have a GPU]

[Windows will use a Windows Basic Display Driver if your PC/laptop doesn't have a GPU]

Keep the drivers that come with your laptop ready. They are the only ones that will work without issues.

Install both the drivers, first Intel Graphics Card since it seems to come with the initial Intel Audio.

Then restart. Very important. Don't skip restart.

Install the realtek audio for your system. Restart.

Disable updates for all drivers.

Move all exe shortcuts to startup

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate

ExcludeWUDriversInQualityUpdate

Value 1 Hexadecimal

https://www.youtube.com/watch?v=sBf0DOzA9Do

https://www.wilderssecurity.com/threads/windows-update-minitool.380535/

https://www.majorgeeks.com/files/details/windows_update_minitool.html

Solution: Uninstall Equalizer APO from all devices. Install only on the mic and select troubleshooting options. Select, “Install as SFX/EFX.

Run: shell:appsfolder

Run: %appdata%

\Roaming\Microsoft\Windows\Start Menu\Programs\Startup

https://docs.microsoft.com/en-us/windows/uwp/launch-resume/launch-settings-app

Try Microsoft Support & Recovery Assistant to completely uninstall/remove Office.

https://support.microsoft.com/en-us/office/about-the-microsoft-support-and-recovery-assistant-e90bb691-c2a7-4697-a94f-88836856c72f?ui=en-us&rs=en-us&ad=us

Settings > Accounts > Access work or school

Click the account you want to remove.

Click Disconnect

More information:

https://answers.microsoft.com/en-us/windows/forum/windows_10-networking/cant-remove-a-work-or-school-account-from-windows/22403d43-91b6-4724-b509-ab3d28031e05

main.cpl 

Or 

C:\Windows\System32\main.cpl

Try changing nickname

https://www.techadvisor.com/how-to/laptop/turn-off-laptop-keyboard-3676272/

Local Computer Policy->Computer Configuration->Administrative Template-> System -> Device Installation-> Device Installation Restrictions→

Prevent Installation Of Devices not described by other policy settings.

Device manager- Remove keyboard.