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Step 2: The screen dims, and a pop-up appears. If your Chromebook runs like a snail, your best bet is to just restart and see if the performance issue clears. Systemwide issues Your Chromebook runs very slowly You can choose to Save Session Log to record all this current information for later analysis or repair notes. If you see a function that doesn’t register as a success, that may be the source of your problem.
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If all went well, you should see a success marker beside each function. Battery tests will show basic charging info, but other tests will bring up an itemized list of the functions the test performed. Step 3: Tests may take a couple of minutes or even 15 to 20 minutes depending on what you are measuring. If you’ve narrowed down your problem to an issue like your battery, or you notice an issue like a particularly high CPU temperature, then select the appropriate option. Step 2: View your current data and check for any suspicious issues. Select the round Launcher button at the bottom-left of the screen, and use the search box at the top to type in “diagnostics.” The app should pop up with an icon that looks like a heart monitor line. Step 1: The Diagnostics tool is not currently in the app drawer, so you’ll have to go looking for it. Here’s how to use it if your Chromebook has the latest updates. If you’re struggling to understand a problem, it’s a good idea to pop this app open and run the appropriate test, keeping an eye on the data as you use the rest of our guide for more specific issues.
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