The hard disk reads data from and writes data to magnetic disks contained in the hard disk’s metal casing. Unlike RAM (Random Access Memory), which stores data only temporarily, hard disk data stores it permanently. Desktop computers can detect both 3.5-inch internal hard drives (drives installed inside the computer) and 3.5-inch external hard drives (drives connected externally to the computer). Computer and electronics retailers sell external hard drives, but building your own can save you $100 or more. To build your own portable hard drive, you need a 3.5-inch internal hard drive and a hard drive case. Things You’ll Need
3.5-inch hard disk box 3.5-inch
internal hard drive
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Remove the two screws located on the side of the drive case disc case.
Remove the front plate from the case. Slide the inside of the case out of the cover.
Strap an anti-static wrist strap around your arm to ground yourself and to protect the hard drive from ESD (electrostatic discharge). Extract your 3.5-inch internal hard drive from its anti-static case.
Align the slots on the back of the drive with the connectors on the interface panel located inside the external hard drive. Insert the hard drive into the case.
Slide the hard drive onto the interface panel to connect the drive to the chassis connectors.
Insert screws into each screw lined hole along the case. Tighten the screws to secure the hard drive in place.
Slide the cover back over the case. Screw the face plate back to the side of the case.
screw or slide the pedestal to the bottom of the case. Insert the power adapter into the cabinet power outlet.
Insert one end of the USB cable into the port on the back of the external drive. Insert the other end of the USB cable into your computer’s USB port. Install the software included with the handheld.
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