This information pertains to the original LabQuest.
If you have LabQuest 2 or LabQuest 3, see this article.
There are a few possible causes to this problem:
1. LabQuest is asleep
There is a power management feature that will turn the screen off ...
LabQuest is designed to be splash-resistant, but is not waterproof. If the unit is immersed or gets very wet, permanent damage can result. Such damage is not covered by the LabQuest warranty. If your LabQuest unit has gotten wet and now it behaves st...
Here are a few things to check:
Ensure you have compatible versions of the software installed using our installer. The minimum version of Logger Pro needed is
Original LabQuest: Logger Pro 3.6
LabQuest 2: Logger Pro 3.8.5
LabQuest 3: Logg...
This information pertains to the original LabQuest.
If you have LabQuest 2, see this article.If you have LabQuest 3, see this article.
Normally, the original LabQuest turns on in less than 90 seconds and displays the Meter screen (the screen th...
This information pertains to the original LabQuest.
If you have LabQuest 2 or LabQuest 3, see this article.
If your LabQuest is not powering on at all, that is the power button LED is off and the screen is black, even when connected to AC power...
The preferred way to replace the AC adapter port on an original LabQuest is to replace the UAP (USB, Audio, Power) circuit board in the unit. Unfortunately, we no longer have replacement boards available as some component parts that make up the board...
This information pertains to the original LabQuest.If you have LabQuest 2, see this article.
A LabQuest that is showing white text on a black screen is typically caused by a failed firmware update.
Look over the text on the screen, if the L...
This information pertains to the original LabQuest.
If you have LabQuest 2, see this article.
This is likely a hardware failure and something that can no longer be repaired due to lack of available parts.
In case this is just a software issue, t...
In rare circumstances, when you try to reboot from the Control Panel, the LabQuest can get stuck on the rebooting dialog.
Normally a hard reset (using the reset button) will bring it back. For detail on how to do a hard reset, see:
How do I reboot ...
This information pertains to the original LabQuest.
If you have LabQuest 2, see this article.
If you have LabQuest 3, see this article.
If your original LabQuest is displaying a plain blue-green screen with "Vernier" on the far right, then try the...