Call of Duty: Black Ops III – Game Crash, Black Screen, No Sound, Game Performance, Lag, Mouse Lag, and Can’t Connect Online or A F T error Fixes

Mouse lags Issue Fix

Mouse input Lag

• Turn Resolution Scale down (<100)
• Lowering “max prerendered frames” in Nvidia Control Panel
• Decrease Mouse Polling Rate to 250
• set FPS Cap below the refresh rate of your Monitor (i.e 60hz Monitor, 58 FPS Cap)
• Turn off VSync
• Turn Mouse Acceleration off
• Mouse Smoothing to 0

Mouse Lag Issue Fix For Invidia Users:

• Turn Vsync off in game
• Close BO3
• Go into NVIDIA Control panel > Manage 3d settings > select black ops 3 > Turn Vsync on via there
• I also set my max fps to 60 ( I have a 60HZ Monitor)

FPS Drops Fix

Head to your Call of Duty: Black Ops 3 Folder and go to “Players”, locate the “Config.ini” file there and open it with notepad.

Search for “WorkerThreads” and change it “4” to “2” – Save the file and start the game.

Open NAT (Port Forwarding)

Via Router

• Open up Command Prompt (CMD). Press Windows key + R, then type in CMD.exe.
• Type ipconfig within CMD
• Find the device you use. Ethernet adapter Local Area Connection or Wireless LAN adapter Wireless Network Connection. Depending on the way you connect to your router.
• Copy the default gateway, open up your browser and type it into the address bar.
• Find your port forwarding menu, may be in WAN or other sections.
• Add/Open a new port including this data:
• IP: Open CMD, get your IPv4 address, and put it into the box.
  Port(s): 3074. If it asks for multiple port options then just put 3074 in all of them.
  Port Type: Select a both option if available. If not make two ports using TCP and UDP.

Via PC

• Open up file explorer and select network.
• Right click your router, open up properties.
• Now, click settings. Once in settings, select the add function.

In here, fill out the service settings as:

Description Of Service: Can be anything, preferably Black Ops 3
Name or IP Address: Use your IPv4 (tutorial on how to get this in the other section)
External Port: 3074
Internal Port: 3074
TCP/UDP: UDP

Work-In-Progress…

If you find anything or fix of any error, you can share it with us in the comment section right below, Thanks.