Lenovo C355 Lenovo C355/C455 All-In-One Computer Hardware Maintenance Manual - Page 40
Replacing the optical drive
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Step 7. Push the lock pins outward to release the hard disk drive from the bracket. Step 8. To install the new hard disk drive: a. Line up the new hard disk drive with the bracket and secure it with the pins. b. Slide the hard disk drive and bracket back into position. Step 9. Reattach the foot cover and stand base. Replacing the optical drive Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the touch screen from scratches or other damage. Step 1. Step 2. Step 3. Step 4. Step 5. Remove any media (disks, CDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Unplug all power cords from electrical outlets. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to "Left and right views" and "Rear view" for help with locating the various connectors. Remove the stand base. Refer to "Removing the stand base". Remove the foot cover. Refer to "Removing the foot cover". 34 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual