MW3 Campaign Early Access Not Working Fix

If Call of Duty MW3 campaign early access is not working for you, don’t worry, we’ve got you covered! The 7-day early access period for those who have preordered Call of Duty Modern Warfare 2 has just started. However, it seems that, for some players, MW3 campaign early access is not showing on Steam,, PlayStation and Xbox. If you are one of them, here’s what you can do to fix this issue.

▼Article Continues Below ▼
MW3 Campaign Early Access Not Working Fix
MW3 Campaign Early Access Not Starting

Call of Duty Modern Warfare 3 Campaign Early Access Not Working Fix

Before we jump to potential solutions, let’s first establish when exactly you will be able to play the campaign early. The 7-day Call of Duty Modern Warfare 3 campaign early access is set to kick off on Thursday, November 2nd, at 6 pm CET / 5 pm GMT / 1 pm ET / 10 am PT. Only then you will be able to start playing the campaign. Hence, if it’s not yet time for the early access period to start, wait until the time is right. However, if the time has come, and the MW3 campaign early access is still not showing for you, then continue reading. Below, we list several basic troubleshooting steps which should hopefully fix the issue for you.

Power-Cycle Your Console or Restart PC

A common solution that some players have found helpful is to power off their PC and turn it on again. Also, check that your game download is actually complete. Some players say that the game shows “Ready to Play”, but their downloads still indicate that it is downloading. So, if power-cycling your PC didn’t work, wait for the download to finish. Here are the steps to power-cycle your console, for both PlayStation and Xbox:

  1. Turn off your console completely.
  2. Unplug the cable from the wall.
  3. Leave the console unplugged for 2 to 5 minutes.
  4. Plug it back, and turn the console back on.

Whitelist MW3 in Your Antivirus and Firewall Apps (PC)

A possible cause of the problem is that your PC is blocking the game from accessing the internet and downloading the required files. To fix this, you need to make sure that your antivirus and firewall apps are not preventing Modern Warfare 3 from going online and connecting to the servers. You can do this by adding the game to the list of allowed programs in your security apps.

Verify Integrity of MW3 Game Files (PC)

One of the probable reasons why the MW3 Campaign early access is not starting on your PC is that the game didn’t install properly. This often results in corrupted or missing files. To fix this, use Steam’s file verification feature:

  • Right-click on Modern Warfare 3 in your Steam library.
  • Select “Properties…”.
  • Select the “Local Files” tab.
  • Click on the ” Verify integrity of game files..”.
  • Let Steam do its work.
  • When complete, restart your PC.
  • Launch Steam, and start Modern Warfare 3.

If you are playing on, what you need to do is to click on the blue “cog” button on the game’s page, and select the “Scan and Repair” feature. Then let the client to do work and reinstall any missing or corrupted files.

Reinstall MW3(PC and Console) to Fix Campaign Early Access

The final option to fix the “MW3 Campaign Early Access Not Working” problem is to reinstall the game. You need to delete the game from your system, reboot your PC or console, and then download and install the game again. This should ensure that you have all the required files, and enable you to play MW3 Campaign Early Access. Do not launch the game until you are certain that all the files are downloaded and installed.

Author Chronocrator profile picture
Nikola was a senior editor and writer at Gosunoob.With over 12 (since 2012) years of experience in esports & gaming journalism, I like to think that my guides once helped a NASA scientist to beat a game. What I'm trying to say is that I should be credited for NASA's Mars missions. (I'm just kidding, please don't shoot me). In my free time, I dream of the day when I will finally start clearing my Steam backlog.