If descaling doesn't do the trick, it's time to check for clogs in the machine. You see, coffee grounds and other debris can build up inside the Keurig's tubes and pipes, preventing it from brewing properly. To fix this, you'll need to clean out the machine and make sure all the tubes and pipes are clear.
Now, this might sound like a bit of a hassle, but trust me, it's worth it. A clogged Keurig can be a real buzzkill, especially if you're relying on it to get your morning coffee fix. By taking the time to clean it out, you'll be able to get back to brewing in no time!
Keurig Won't Brew All Lights On - Here's How to Fix it Like a Pro