This information pertains to the original LabQuest.

If you have LabQuest 2, see this article.

Original LabQuest (LABQ, discontinued)
User manual: http://www2.vernier.com/manuals/labquest_reference_guide.pdf

Top FAQs
I am having trouble getting my original LabQuest to turn on/start up. (flowchart)
Original LabQuest Battery Troubleshooting and FAQs
Can my original LabQuest be repaired?
LabQuest blue power-button LED is on, but the screen is black.
LabQuest does not respond and the screen and power light are black.
My original LabQuest screen is unresponsive or acts like I am tapping on the wrong spot.
My original LabQuest is stuck on the LabQuest logo screen.
What are the wireless capabilities of the original LabQuest?

Product Overview
What are the advantages of using LabQuest with a computer versus as a standalone device?
Does LabQuest replace LabPro?
Is the LabQuest screen bright enough for outdoor use?
What are the wireless capabilities of the original LabQuest?
What are the specifications of LabQuest's internal temperature sensor?
Can I use LabQuest's internal temperature and microphone sensors when connected to the computer?
How do I project the LabQuest screen?
How do LabQuest Curve fits work?
Do Ocean Optics USB4000 (UV-VIS and VIS-NIR) Spectrometers Work with LabQuest?
Will LabQuest work with the Wireless Dynamics Sensor System?
What languages are supported in the LabQuest application?
Does the LabQuest contain any latex?
How does LabQuest 2 compare to the original LabQuest?

Care and Maintenance
What is the best way to store LabQuest units over summer vacation?
Is there a screen protector available for LabQuest?
Do you know of a good case for carrying LabQuests, LabPros, calculators, and/or sensors?

Battery and Power
Original LabQuest Battery Troubleshooting and FAQs
LabQuest blue power-button LED is on, but the screen is black.
LabQuest does not respond and the screen and power light are black.
Do you have a LabQuest interface multi-unit charging station?
How do I test the battery on the original LabQuest?
How do I remove or replace a LabQuest battery?
How can I provide power for my interface when used in the field for long-term data collection?
I am getting a "No Battery" message on LabQuest.
My original LabQuest will not turn off.
Can I use solar power or an external battery pack to power LabQuest?
How do I replace the AC adapter port on an original LabQuest?

Updating the LabQuest
Free updates are available at:
http://www.vernier.com/labquest/updates/
How do I update the LabQuest software?
What is the ideal way to prepare a USB thumb drive for updating original LabQuest?
LabQuest does not see the update file on USB drive.
Downloading the LabQuest 1.5.2 update seems to work, but then I can't find the .lqa update file.
What are the error messages you can get when updating a LabQuest?
My original LabQuest is stuck on the LabQuest logo screen.
My LabQuest is stuck on a plain screen displaying "Vernier" text.
Updating LabQuest via an SD Card fails.
My USB drive is not recognized by LabQuest. What can I do?
LabQuest Updater Fails with the message, "The USB THUMB DRIVE is not configured correctly."
Updating my original LabQuest fails trying to install the LabQuest Battery Driver (v1.2)

Using LabQuest with a Computer and Logger Pro
How do I move data from a LabQuest to a computer?
LabQuest won't connect to Logger Pro.
Can I play audio files recorded with a LabQuest in Logger Pro?
LabQuest disconnects from Logger Pro after using the sensors dialog box for a while.
Calculated columns in Logger Pro do not all transfer to LabQuest.
Live readouts are different from collected data.
LabQuest with lots of data won't connect to a computer.
Using the LabQuest Browser in Logger Pro reports "Error communicating with LabQuest: 1. Cannot browse device." and disconnects

Using LabQuest as a Standalone Device
LabQuest does not respond and the screen and power light are black.
My USB drive is not recognized by LabQuest. What can I do?
How do I set the time, date, and timezone in LabQuest?
How do I get my own labs on my LabQuest?
How can I get more Vernier lab instructions on my LabQuest?
How do I map data collected on a LabQuest or LabQuest 2?
Can I make a template for data collection on LabQuest?
How do I delete data points in Logger Pro or LabQuest App?
How do I delete the data files that my students save to the LabQuest?
How do I configure the data-collect software to use an older sensor that does not Auto-ID?

Freezing/Crashing
LabQuest App freezes and the power button does not shut off the LabQuest.
LabQuest software crashes while plugging and unplugging sensors
My original LabQuest screen is unresponsive or acts like I am tapping on the wrong spot.
LabQuest freezes after many drops with drop counter
LabQuest does not connect to computer or see a USB thumb drive.
LabQuest crashes after doing several runs of data in a row.
My original LabQuest Screen is white and does not respond
Original LabQuest gets stuck on the "System is rebooting" screen when trying to reboot.
My LabQuest froze after receiving a low battery warning and connecting to AC power.
My LabQuest is slow as to be almost unresponsive.
How do I reboot or reset a LabQuest?

Hardware Problems
LabQuest hardkeys are mis-labeled.
LabQuest hardkeys (buttons) do not respond.
LabQuest sensor ports are tight or stylus is stuck.
I broke the screen on my LabQuest 2. Can it be repaired?
My LabQuest unit got very wet, and now it won't turn on. What can I do?
How do I replace the AC adapter port on an original LabQuest?

Cannot Find Sensors, Auto-ID Issues
Why doesn't my LabQuest unit recognize auto-ID sensors?
My accelerometer shows up as a Current Probe on LabQuest.
My Current Probe auto-IDs as a different sensor on LabQuest.
LabQuest shows that a sensor is connected, but nothing is really connected to that channel.
LabQuest: How can I manually set up a sensor that does not auto-ID?
LabQuest Sensor Setup doesn't list any channels

Problems with the SD Card
Why do data saved to an SD card in LabQuest disappear?
Why can't LabQuest power back up after using an SD card?
Why does the SD card icon still show in File menu after the card was removed?
Updating LabQuest via an SD Card fails.

Printing
Which printers are supported in LabQuest?
How do I connect LabQuest to a printer?
While printing from LabQuest, why do I get a Printing Failed error?
Why can't the LabQuest print to a HP Deskjet D4160 printer?
Why can't the LabQuest print to a HP Deskjet 6940 printer?
Why can't LabQuest print to the HP Officejet Pro 8000 printer?
LabQuest prints a blank page after each printed page.
Why are some of my LabQuests not able to print to the same printer?
Why are axis titles and numerical increments missing from a LabQuest graph print?
Does LabQuest print to the HP LaserJet P1606dn?
Will LabQuest print to the HP LaserJet P2035/P2035n?
Can LabQuest print to the USB port on an Apple AirPort router?

Networking
How do I connect an original LabQuest to my network?
Can I use the original LabQuest with the Connected Science System?

Technical specifications:

Maximum sampling rate:
1 sensor – 100,000 samples/second (0.02 seconds max)
2 or more sensors – 10,000 samples/second (0.21 seconds max)

Minimum sampling rate:
0.00125 samples/second (800 s/sample)

Maximum samples (standalone):
1 sensor – 2000 samples @ 20K – 100K samples/second
1 sensor – 14,000 – 21,000 samples @ <= 10K samples/s 2 or more sensors - 12,000 - 14,000 samples @ <= 10K samples/s (Highest number of samples is for the very first collection after starting LabQuest. The smaller number of samples depends on the number of previous collections and stored runs during this LabQuest session.)