Commonly Used Crosh Command - Dell Chromebook 11 3380 Owner's Manual

Commonly used CROSH command

This page contains information about the most commonly used CROSH commands to diagnose the Dell Chromebook 13 (3380).
Below are some of the most commonly used CROSH commands to troubleshoot a hardware issue.
NOTE: CROSH storage_test_1 and storage_test_2 are not supported on eMMC storage device.
Check battery charging status
The Chrome Shell (CROSH) includes a simple battery health diagnostic test. This is to confirm that the battery is charging and to check on
the battery health and discharge rate. Follow the instruction provided to check on the battery charging status:
1 Connect the AC adapter to the Chromebook and a power outlet.
2 Turn on and sign in to the Chromebook.
3 Open the Chrome browser.
4 Press CTRL + ALT + T to open CROSH.
5 Type battery_test 1 into CROSH, and then press Enter.
6 Check the result to confirm that the battery is charging.
Check battery health
Follow the steps to evaluate the health of the Chromebook battery, and check the discharge rate:
1 Disconnect the AC adapter from the Chromebook.
2 Turn on and sign in to Chromebook.
3 Open the Chrome browser.
4 Press CTRL + ALT + T to open CROSH.
5 Type battery_test 1 into CROSH, and then press Enter.
6 A screen displays the current battery health and discharge rate.
• If the Battery health percentage is greater than 50%, the battery is within the expected wear limits.
• If the Battery health percentage is equal to or less than 50% and the battery is less than a year old, the battery is outside expected
wear limits and might need to be replaced.
• If the test results show Battery is Unknown, the battery might need to be replaced.
Checking memory
Follow the steps below to perform a memory check for Chromebook:
NOTE: This will approximately take 20 minutes to complete the test, and it also depends on the capacity of the memory.
1 Turn on and sign in to Chromebook.
2 Open the Chrome browser.
3 Press CTRL + ALT + T to open CROSH.
4 Type memory_test into CROSH, and then press Enter.
5 A diagnostic screen displays the result of the memory test passed without any errors.
Example of a memory test failure.
Checking network status
If you are having trouble connecting to the Internet, use the steps in one or more of the following sections to test the network adapter.
Diagnostics and Troubleshooting 71