SMPS should support connectors, voltage needs and form factor of PC. SMPS is mounted on chassis by screwing four screw in the holes on its fan plate usually at the back of the chassis. Similarly to remove an SMPS the screws are removed. In both cases at outset power is switched off, cover is opened, cables in and outside of PC are disconnected, and all connections of SMPS are removed and then SMPS is mounted or removed from the designated place in the chassis usually at the back.
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