Dell Chromebook 11 3189 Disassembly and Reassembly Guide - For use by Certifie - Page 54

Crosh

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Chrome OS issues 2 Disconnect all peripheral devices, and remove all USB devices and media cards. 3 Disconnect the AC adapter. 4 Press and hold the power button for 10 seconds. 5 Reconnect the AC adapter, and turn on the system. 6 If issue persists, please perform a Reset or Recover the Chromebook. Lost / Forget Sign in password (Chrome OS) If you lost/forget the sign-in password to the Chromebook: 1 Check if this is a managed device (Enterprise enrolled device). a If this is a managed device, please contact the administrator to have them reset the password via Google Admin Console. b If this is not a managed device, please proceed with the following steps: 2 Sign in as guest or use a different PC. 3 Open an internet browser, and navigate to https:// www.google.com/accounts/recovery/ 4 Select I do not know my password, and then enter the email address that you use to sign in to Google. 5 Click Continue and follow the on-screen instructions to reset the password. Other Chromebook lock up or freeze symptoms that are not listed here If none of the above symptoms match the Chromebook's issue, refer to Google Help Center for the online troubleshooter and more help. CROSH This topic covers the information you need to know for the Chrome Shell (CROSH). CROSH and the Google Chrome URL commands provide some troubleshooting tools, information, and advanced settings. The Chrome OS does not support ePSA, Dell BIOS, the F12 boot menu, or DellConnect. There are no preboot diagnostics. All troubleshooting must be done inside the OS. Chrome Shell (CROSH) and the Chrome URL commands provide some troubleshooting tools, information, and advanced settings. CROSH is a command line interface similar to the Linux BASH or Windows command (cmd.exe) terminals. Chrome OS is based on Linux, but CROSH does not recognize most Linux commands. The most useful commands for troubleshooting are memory test, storage_test_1, storage_test_2, ping, and tracepath. Ping works differently than it does in Windows. By default, it repeats until you press + , and it does not show any statistics. The tracepath command is similar to the Windows traceroute command. A detailed explanation of the commands can be viewed below, by typing help, or help_advanced in CROSH. 1 Open the Chrome browser. 54 Diagnostic and troubleshooting

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Chrome OS issues
2
Disconnect all peripheral devices, and remove all USB devices
and media cards.
3
Disconnect the AC adapter.
4
Press and hold the power button for 10 seconds.
5
Reconnect the AC adapter, and turn on the system.
6
If issue persists, please perform a Reset or Recover the
Chromebook.
Lost / Forget Sign in password (Chrome OS)
If you lost/forget the sign-in password to the Chromebook:
1
Check if this is a managed device (Enterprise enrolled device).
a
If this is a managed device, please contact the
administrator to have them reset the password via
Google Admin Console.
b
If this is not a managed device, please proceed with the
following steps:
2
Sign in as guest or use a
different
PC.
3
Open an internet browser, and navigate to
https://
www.google.com/accounts/recovery/
4
Select I do not know my password, and then enter the email
address that you use to sign in to Google.
5
Click Continue and follow the on-screen instructions to reset
the password.
Other Chromebook lock up or freeze symptoms that are not listed
here
If none of the above symptoms match the Chromebook’s issue,
refer to Google Help Center for the online troubleshooter and more
help.
CROSH
This topic covers the information you need to know for the Chrome Shell (CROSH). CROSH and the Google Chrome URL commands
provide some troubleshooting tools, information, and advanced settings.
The Chrome OS does not support ePSA, Dell BIOS, the F12 boot menu, or DellConnect. There are no preboot diagnostics. All
troubleshooting must be done inside the OS. Chrome Shell (CROSH) and the Chrome URL commands provide some troubleshooting tools,
information, and advanced settings. CROSH is a command line interface similar to the Linux BASH or Windows command (cmd.exe)
terminals. Chrome OS is based on Linux, but CROSH does not recognize most Linux commands. The most useful commands for
troubleshooting are memory test, storage_test_1, storage_test_2, ping, and tracepath. Ping works
differently
than it does in Windows. By
default, it repeats until you press
<Ctrl> + <C>
, and it does not show any statistics. The tracepath command is similar to the Windows
traceroute command. A detailed explanation of the commands can be viewed below, by typing help, or help_advanced in CROSH.
1
Open the Chrome browser.
54
Diagnostic and troubleshooting