3. Verify if the storage device is installed correctly (optional):
a. If you are replacing a storage device which does not have the operating system installed, follow the steps in Identifying
storage device in device manager.
b. If you are replacing a storage device which does not have the operating system installed, follow the steps in Identifying your
storage device in system setup (BIOS).
NOTE: To install the operating system on to your storage device, see Reinstall Windows to the Dell factory image using
recovery media in the knowledge base article 000176966.
Power-supply unit
Removing the power-supply unit
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the left-side cover.
3. Remove the top cover.
4. Remove the right-side cover.
NOTE: Note the routing of all cables as you remove them so that you can route them correctly after you replace the power-
supply unit.
About this task
The following images indicate the location of the power-supply unit and provide a visual representation of the removal procedure.
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