Normally, LabQuest 2 turns on in less than 90 seconds and displays the Meter screen (the screen that has the File and Sensors menus). If LabQuest 2 fails to start, follow the links below to diagnose the issue.
Screen flashes black and white
This is most likely a power or battery-related issue.
See: TIL 3031: LabQuest 2 screen flashes white, and then black, when I turn it on.
Frozen on the logo screen
Either the LabQuest software needs to be re-installed, or the power button is stuck.
See:TIL 3077: My LabQuest 2 gets stuck while booting and does not make it past the logo screen.
Frozen on the blue screen
The LabQuest software needs to be re-installed.
See:TIL 3074: LabQuest software corruption recovery instructions
Screen stays black
This is a possible hardware problem.
See:TIL 3507: My LabQuest 2 won't turn on and the screen stays black.
TIL 3051: My LabQuest 2 asks for a login. What do I do?
TIL 4017: LabQuest booted to a screen that lists LabQuest App and Audio Function Generator, but the LabQuest App will not open.
TIL 2694: LabQuest 2 FAQs
TIL 4168: LabQuest 2 screen is solid white, does not respond.
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