Editing Sinclair QL Microdrive Troubleshooting Guide (section)

== Removing a Microdrive ==

# Unplug everything and open the case (see the [[Sinclair QL Maintenance Guide]]).
# '''Remove the heatsink''' next to the Microdrives by releasing the +5 V regulator screw; keep the M3 × 10 mm screw with its brass plain and crinkle washers.
# Remove the '''three pan-head self-tapping screws''' securing the drive — two at opposite corners of the chassis and a third accessible from the underside of the lower case. '''Do not confuse these with the countersunk motor screws.'''
# Lift the drive out and free its two ribbon cables from their sockets by pinching the ribbon next to the socket and pulling straight up.

All from the Service Manual disassembly section.<ref name="sm" />