6. Slide the new 3.5-inch storage drive into the appropriate storage drive bay to the front of the computeruntil the four screw holes in the 3.5-inch storage drive align with the corresponding screw holes inthe chassis.Note: Ensure that you install storage drives first into the primary storage drive bay and then thesecondary storage drive bay. See “Computer components” on page 31.Figure28. Installing the 3.5-inch storage drive7. Install the four screws to secure the 3.5-inch storage drive to the chassis.8. Connect the signal cable and the power cable to the new 3.5-inch storage drive.What to do next:• To work with another piece of hardware, go to the appropriate section.• To complete the installation or replacement, go to “Completing the parts replacement” on page 113.Replacing the 2.5-inch storage driveNote: Your computer supports only one 2.5-inch storage drive.To replace the 2.5-inch storage drive, do the following:1. Remove any media from the drives and turn off all connected devices and the computer. Then,disconnect all power cords from electrical outlets and disconnect all cables that are connected to thecomputer.2. Remove the computer cover. See “Removing the computer cover” on page 82.3. Locate the 2.5-inch storage drive you want to replace. See “Computer components” on page 31.4. Disconnect the signal cable and the power cable from the 2.5-inch storage drive.94 Lenovo S510 Hardware Maintenance Manual