Issues and Solutions

Engine DJ | Fixing and Preventing Engine Library Corruption

JUNE 9, 2022
The Engine Library refers to the collection of song in your Engine DJ software on your computer. This article is designed to assist you with identifying and resolving corruption issues with your Engine Library. CONTENTS The Engine Library What is Engine Library? Where is my Engine Library located? How do I backup and restore my Engine Library? Database Corruption What would cause my database to become corrupted? What do I do if my Engine Library becomes corrupted? If the Engine Library on your computer is corrupted: If the Engine Library imported from another software is corrupted: If the Engine Library is corrupted on an External Drive: Advanced database recovery options: The Engine Library What is Engine Library? Engine Library refers to a database on your computer that contains all metadata related to the tracks you use with Engine DJ. You can add tracks stored on the computer’s internal hard drive or an external USB hard drive/flash drive connected to the computer. You can even create databases that span multiple drives. We recommend a database of up to 50,000 tracks to optimize search speeds. Where is my Engine Library located? Windows: C:\Users\[Your Username]\Music\Engine Library Mac: Macintosh HD > Music > Engine Library How do I backup and restore my Engine Library? In the Engine DJ Preferences, under the Library Tab, in the System section, you will see a Library Backup section.  This tool allows you to create a backup of your Engine Library: Click Backup to create a backup of your current library. While the backup is in progress, do not close Engine DJ or shut off your computer. Click Restore to overwrite the current library with the latest backup created. In the window that appears, click Yes to continue or No to return to the previous page. Please note that: A backup is prompted every 7 days upon exit of Engine DJ unless you have already manually updated the backup External drive databases are not backed up as part of this system, only your computer's database will be saved. Database Corruption What would cause my database to become corrupted? There are a number of reasons a database can become corrupt including, but not limited to: Force ejecting a drive (particularly during import, or sync operation) Using third party tools to manipulate database file Switching your device to Standalone Mode before ejecting the drive successfully Storing your drive near magnets Solar Flares What do I do if my Engine Library becomes corrupted? If the Engine Library on your computer is corrupted: Use the Library Backup feature in the Engine DJ settings to Restore your Engine Library from a previous Backup. If you do not have a previously saved Backup, you may still be able to restore your library. First, close Engine DJ. Then, navigating to your music folder and copy the contents of the Engine Library Backup folder into the Engine Library folder. This will restore your collection to the state it was in when your collection was last backed up If the Engine Library imported from another software is corrupted: To resolve issues an imported database, click the refresh button above respective 3rd party library: Once updated, right click the 3rd party library collection, and -import the imported collection into your Engine Library: If the Engine Library is corrupted on an External Drive: To resolve issues with a corrupt library on the external drive, ensure Engine DJ application is closed Navigate to the root directory of the external drive.  On your drive, you will find an Engine Library folder. Delete the Database2 folder located inside the Engine Library folder.  Now you can start up the Engine DJ application again, and use the Sync Manager to resync your external drive. Advanced database recovery options: If are interested in trying to repair a corrupted Engine Library database yourself, the article below can assist you in that process. We highly recommend creating a copy of your .xml file before attempting this process. https://wordpress.semnaitik.com/repair-sqlite-database/ If you feel confident in the processes involved in repairing the database on your own, you may find a high probability of successful in performing a manual repair to the code. However, due to the complexity, level of detail, and time required to complete a database repair at this level, it may not be accessible for all users. Engine DJ cannot assist or provide support in advanced database recovery.    
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Engine DJ | Unable to Connect to Personal Hot Spot from iPhone or iPad

JULY 21, 2022
Engine DJ has recognized a potential issue with connecting an Engine OS device (PRIME series and Mixstream Pro) to WIFI hot spots generated by an iOS device (iPhone or iPad).  This is a known iOS issue that Apple has acknowledged. For anyone unable to connect their device to an Apple hot spot, Apple has shared troubleshooting and workaround instructions available on their support site.  Please follow the link below and refer to the "If you can't connect to Personal Hotspot with Wi-Fi" section for troubleshooting and workaround: If Personal Hotspot is not working on your iPhone or iPad (Wi-Fi + Cellular)
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Engine DJ | Access to Dropbox via Engine DJ Hardware

FEBRUARY 9, 2022
Engine DJ is aware of an issue preventing Engine DJ hardware from connecting to Dropbox.  Update: Firmware update v2.1.2 has been released to fix the Dropbox connection errors. If you have been experiencing difficulty connecting with Dropbox from your Engine DJ hardware, please ensure you are on firmware version v2.1.2 or higher.  All current Engine DJ device firmware can be downloaded from the link below. For update instructions, please visit our update guide, here.  https://enginedj.com/downloads
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macOS | Engine DJ Sync Manager is greyed out or drives cannot be accessed

FEBRUARY 3, 2022
macOS users may notice that the Engine DJ Sync Manager is unavailable or greyed out when they go to sync files with their drive. Or, they may either have no access to any functions within the sync manager or are unable to access any connected drives.  As is common these days, macOS security options are evolving and the Engine software may need to be enabled permission to access your hard disk and/or external drives before any files can be transferred. If this is not done when prompted during installation (options could have also changed during an OS update), it's easy to go into the macOS system settings and update the permissions.  Navigate to the Apple menu (top-left corner of the screen) > System Preferences Select Security & Privacy, then click the Privacy tab at the top On the left side of the window, find and select Files and Folders. You should then see Engine DJ in the right-side of the window. Click the lock in the bottom left-hand corner of the screen and enter your password before you can make any changes. Once unlocked, place a check in the boxes for Removable Volumes and Desktop Folder beneath Engine DJ. Click the lock again to save your changes. Restart Engine DJ and you should now have full access to the Engine DJ Sync Manager and your external drives. 
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PRIME 2 | Crossfader does not respond after updating the firmware

MARCH 21, 2022
Earlier versions of the Engine DJ OS included a crossfader enable/disable setting in the Control Center. However, because the PRIME 2 also features a physical crossfader assign switch on the front, the internal setting was removed in Engine DJ OS v2.1.0.  If the crossfader is disabled in the Control Center prior to performing the update, the crossfader will be stuck in a disabled state.  To correct this, a previous iteration of the Engine DJ OS will need to be installed on the device and the state of the crossfader will need to be changed before upgrading back to the latest Engine OS. Navigate to enginedj.com/downloads and download Engine DJ OS version 2.0, 2.0.1, or 2.0.2 from the list. For your convenience, you can use the links below to download v2.0.2 for the PRIME 2: PRIME 2 v2.0.2 - Windows PRIME 2 v2.0.2 - Mac PRIME 2 v2.0.2 - USB Install the earlier Engine OS. For instructions, please visit the link below: How to Update Engine DJ OS Power on the PRIME 2 and navigate to the Control Center by pressing and holding the View button or swiping down from the toolbar. Tap the X Fader button to enable it. The crossfader is enabled when the icon on the screen is lit up. Once enabled, simply power off the PRIME 2 and update back to the latest Engine DJ OS. The latest version will be available at enginedj.com/downloads. The crossfader should now be functional again. To disable the crossfader in Engine DJ OS v2.1.0 or higher, set both crossfader assign switches on the front to "Thru".
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