Lenovo ThinkCentre M90a User Manual page 72

3. Remove the optical drive. See "Optical drive" on page 53.
4. Remove the optical drive holder. See "Optical drive holder" on page 56.
5. Remove the system board shield. See "System board shield" on page 58.
6. Depending on your computer model, refer to one of the following to replace the storage drive and the
storage drive bracket.
• M70a
Figure 40. Removing the storage drive and the bracket
Figure 41. Removing the storage drive from the bracket
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M70a and M90a User Guide