Dell OptiPlex 755: User Guide. OptiPlex 755 desktop pdf manual download.. Page 253 3 Remove the hard drive fan: Remove the screw that secures the fan release tab to the hard drive bracket. Press down on the fan release tab, and then slide the fan towards the front of the computer so that its side tabs are free of the corresponding slots in.. The new fans come already installed on their new blue plastic base. After pulling off the original fan from the base, another fan can not be pushed back into the base because the four grips on the base will not accept the vibration bushings because they were under a lot of pressure in the four grips. How do I remove the original blue plastic base.
In this video I show you how to remove and replace the fan assembly on a Dell Optiplex 760 Desktop Computer.https://youtu.be/kKAQ-EfpqIwI also have some othe.. You can identify the OptiPlex 755 by looking for the Dell logo on the front or side of the device. Find the service tag (a seven digit code of letters and numbers) written on a sticker on the back or side of the computer. You can enter this tag on Dell's support website to find more information about your hardware.