Lenovo ThinkStation P300 Hardware Maintenance Manual page 186

6. Flex the sides of the plastic 3.5-inch hard disk drive bracket to pull pins on the bracket out of the
corresponding holes in the storage converter. Then remove the storage converter from the bracket.
Figure 168. Removing the storage converter from the 3.5-inch hard disk drive bracket
7. Remove the four screws that secure the solid-state drive. Then lift the solid-state drive out of the
storage converter.
Figure 169. Removing the solid-state drive from the storage converter
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ThinkStation P300 Hardware Maintenance Manual