When playing the Halo: Combat Evolved Anniversary campaign within Halo: The Master Chief Collection (MCC) and activating terminals, we are aware of an issue where terminals become inaccessible if you respawn, restart a checkpoint, or play multiple campaign missions consecutively.

To re-enable terminal access after respawning, restarting a checkpoint, or playing missions consecutively:

1. Save and Quit your current playthrough
2. Quit MCC
3. Relaunch the game and resume playthrough

Alternate method (Note: This method may not have 100% success rate):

1. Save and Quit your current playthrough
2. Resume the mission at the last checkpoint

Note: If you are considering a "LASO" (Legendary All Skulls On) run of the campaign, we recommend skipping terminals entirely.