First thing's first - please make sure you are signing into a compatible browser.
InventoryLab works with
InventoryLab is not compatible with Internet Explorer or Microsoft Edge
If you attempt to sign on with an incompatible browser, you will receive an error messages that your account does not exist
Next, check to make sure your Caps Lock isn't pressed by mistake.
Last, but not least, use the Forgot Password link to reset your password.