If the files were deleted from the sync folder from any of the computers that are in Sync, then on all the other computers, synced data will be moved to trash. Please login to your account at http://www.idrive.com and navigate to Sync space. Inside Sync folder, please navigate to trash and verify if you can find the deleted data in trash. You may put back the data from trash and the data will be available in sync folder on all the other machines that are connected to same account.
If you require further assistance, please forward your observations to support@idrive.com Our Tier 2 technical support team will review the issue and will contact you with an update.