Introduction
If your Toshiba Satellite L755-S5244 Optical Drive is not reading disks, then it should be replaced. The removal of or the replacement of the optical drive will require this guide.
Tools
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            Next, unscrew the RAM cover and carefully remove it. Then, locate and unscrew the optical drive screw. 
 
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            Finally, detach the mounting bracket from the optical drive in order to attach it to the new optical drive then follow the steps in reverse to reassemble it. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.