Turn the notebook over, pay attention to the structure of the notebook, do not take as long as the screws are unloaded. This is more trouble to put back, as shown in the figure below is a Acer laptop back removal screws.
After opening the cover of the hard drive and memory, look at the positioning screws of the optical drive. Generally, there is a screw at the back of the CD-ROM that can be seen.
After removing the positioning screws, you can pull the optical drive outward, where the use of strength is moderate. Because there are some notebooks that don't have a single locating screw. When you pull, notice that the piece of iron on the anchor screw that you just removed will not move. If you can move the screw that you just folded is not wrong.
Can pull the optical drive, the explanation is directly connected. As shown in the following figure, the drive is pulled.
Take the laptop drive out and look like the following image:
In the back you want to change the optical drive, or clean the optical drive or the CD-ROM drive to install the hard disk these are to see your own needs.