This Apple iMac was give a new lease of life (Faster than it was when it was brand new) by installing a solid state drive.
the Original Mac OS on this machine when it was new was LION, so the new SSD was installed firstly with LION, then upgraded to EL Capitan, and then finally High Sierra which is the latest Mac OS this machine can have.
The customer reported that the machine had become very slow and noisy
The whole unit was serviced, and all dust was removed from the screen areas using a large photography lens blower.
