Vernier Software and Technology
Vernier Software & Technology
Tech Info Library

How do I delete the data files that my students save to the LabQuest?

Original LabQuest
This information pertains to the original LabQuest.
If you have LabQuest 2, see How do I reset the LabQuest 2 defaults when installing an update?

There are two ways to delete files from LabQuest:

Option 1--Delete all student-created files while updating LabQuest App (this is the recommended method, especially if you are trying to clean up your LabQuests at the beginning or end of a school year).

Option 2--Delete individual files using LabQuest Browser in Logger Pro.

Option 1--Update LabQuest App and Delete All User-Created Files (Recommended)
Follow the directions for your device:
LabQuest 2
See TIL 3580: How do I reset the LabQuest 2 defaults when installing an update?

Original LabQuest
Use the Delete-mydata.lqu, a LabQuest update file that is designed to delete all user-created data files (.qmbl) that have been saved to a LabQuest's internal memory. This update will not affect stored lab instructions generated using My LabQuest Library.
1. Download the file delete-mydata.lqu from
      http://www.vernier.com/til/files/2261/delete-mydata.lqu
2. Copy the file to a USB thumb drive or SD drive.
3. Connect the USB/SD drive to a LabQuest.
4. Tap Home at the bottom of the LabQuest screen and choose Control Panel. Then, choose System Information.
5. Click "Update LabQuest".
6. Click the USB drive or SD card icon.
7. Select the file "delete-mydata.lqu".
8. Click "Update" to start the update. When prompted to install the update, select "Yes."
9. When the update is complete, close the System Information window.

Option 2--Delete Individual Files
If you want to delete a few specific files on LabQuest, the best choice is to use the LabQuest Browser in Logger Pro:
1. Connect the LabQuest to a computer and start on the computer.
2. Choose LabQuest Browser > Delete from the File menu in Logger Pro. You will see a list of files on the LabQuest.
3. Select the files you want to remove. Click Delete.
Note: If the LabQuest has too many files for Logger Pro to display, you will have to use the tool on LabQuest to delete files. See TIL 2203: Using the LabQuest Browser in Logger Pro reports "Error communicating with LabQuest: 1. Cannot browse device." and disconnects

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