I have a stock Samsung Galaxy S4 fresh from the Google Play Store, and I can't get this phone to take a screen shot using the power and home button method. Without using an app, what else should I try to fix the problem?
I would try (volume down + power button). You need to press them at the exact same time, otherwise it won't work. Also make sure you hold it down for a few seconds.
There is another way to take a screenshot without an app according to this article.
- Open Settings -> Motion
- Scroll down to Hand motion
- Enable Palm swipe to capture