Master Lock 2120DWD Computer Lock Instructions

Setting the Combination

Follow these steps to set your personal combination for the Master Lock 2120DWD computer lock.

1. Locate the combination dials and the viewing window on the lock.
2. Rotate the dials to the current combination. If the product is new, the lock is preset to initially open at L-O-C-K. The combination will appear in the window.
3. Locate the set button on the lock.
4. Using a tool such as a pen, screwdriver, or similar object, firmly push the set button in and hold it in place.
5. While holding the set button, move the dials to your desired combination.Important: If the set button becomes disengaged while moving the dials, stop, note the current dial positions, and repeat steps 4-6.
6. Release the set button. It is recommended to record and save your new combination at masterlockvault.com.

Key Components: The lock features Combination Dials, a Viewing Window, a Lock Button, a Set Button, and a cable with Locking Teeth. Spacers are included for a custom fit.

Testing the Combination

Before attaching the lock to your device, test the new combination:

1. Scramble the combination dials to conceal your combination.
2. Return the dials to the combination you just set.
3. Check that the lock button slides smoothly to the right, indicating the lock is open.

Securing the Lock to Electronic Device

Follow these steps to attach the lock to your computer or other electronic device.

1. Take the looped end of the security cable and wrap it around a stationary object (e.g., a desk leg).
2. Feed the lock mechanism through the looped end of the cable.
3. Rotate the combination dials to your current, unlocked combination. The combination will be visible in the window.
4. Slide and hold the lock button to the right. This aligns the locking teeth.
5. Insert the lock into your device's lock slot. Listen for a slight click, indicating it is engaged.
6. Release the lock button and scramble the combination dials to lock the device and conceal your combination.

Note on Fit: Due to variations in the size of lock slots on different devices, there might be a gap between the lock and the device. The supplied spacers are included to provide a custom fit and enhance security.

Using the Spacers

If a gap exists between the lock and your device's slot, use the included spacers for a secure fit.

1. Insert the lock into your device's lock slot (as described in step 4 of "Securing the Lock to Electronic Device"). Release the lock button.
2. Gently pull the lock away from the electronic device to check for any gap.
3. If a gap is present, remove the lock from the device and apply a spacer. To apply a spacer, remove its backing and adhere it onto the lock mechanism.
4. Repeat steps 1 and 2. If a gap still exists, add additional spacer(s) on top of the first one.
5. Insert and push the lock firmly into your device's lock slot. This will compress the spacers, ensuring a tight and secure fit. Listen for a slight click.

Confirming the Lock is Secure

Verify the lock is properly secured:

LOCKED CORRECTLY:

• The black spacer should be tightly squeezed within the lock slot.
• All combination digits should be visible and clear.

LOCKED INCORRECTLY:

• The black spacer is not tightly squeezed.
• Combination digits are not fully visible or are obscured.