How-To

Halo: Master Chief Collection campaign co-op not working? Here’s how to fix it

Use these troubleshooting steps to fix Halo 3 campaign co-op issues on PC.
willis_lai@idg.comHaving trouble finishing the fight? We walk you through the main troubleshooting steps that fix Halo multiplayer issues on PC.
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Alaina Yee is PCWorld's resident bargain hunter—when she's not covering PC building, computer components, mini-PCs, and more, she's scouring for the best tech deals. Previously her work has appeared in PC Gamer, IGN, Maximum PC, and Official Xbox Magazine. You can find her on Twitter at @morphingball.

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