Hard Drive - Dell Precision 490 Desktop User Manual

5 SAS connector
6 optional PCI Express SAS controller card
Hard Drive
NOTICE: If SATA and SAS drives are mixed, the two drives of the same type should be installed in the rotatable drive bay.
NOTICE: It is recommended that you only use SAS cables purchased from Dell. Cables purchased elsewhere are not guaranteed to work with Dell
computers.
Removing a Hard Drive from the Rotatable Carrier (Tower or Desktop Computer)
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your
computer's electronic components. You can do so by touching an unpainted metal surface on the computer.
NOTICE: To avoid damage to the hard drive, do not set it on a hard surface. Instead, set the drive on a surface, such as a foam pad, that will
sufficiently cushion it.
1. If you are replacing a hard drive that contains data that you want to keep, back up your files before you begin this procedure.
2. Follow the procedures in Before You
3. Remove the computer cover (see
NOTICE: If only one hard drive is to be installed, it should be connected to the SATA0 connector on the system board.
4. Disconnect the hard drive power cable from the hard drive that you are removing.
1 data connector
2 power connector

3 hard drive

5. Disconnect the data cable from the hard drive that you are removing.
Do not disconnect the data cable for an uninstalled hard drive from the system board.
6. Rotate the hard-drive carrier out of the computer (see
7. Press the blue tabs on each side of the hard-drive bracket toward each other and slide the drive up and out of the hard-drive bay.
If you are going to install a replacement drive, see
Begin.
Removing the Computer Cover).
Rotating the Hard-Drive Carrier Out of the
Installing a Hard Drive into the Rotatable Carrier (Tower or Desktop
Computer).
Computer).