Editing Apple Lisa (section)

== Maintenance and Troubleshooting ==
[[File:Apple Lisa repair.jpg|thumb|Apple Lisa (without cover)]]
Aging Lisa units commonly require:
* '''Capacitor replacement''' – Electrolytic capacitors on the power supply and logic board often dry out, causing voltage ripple and instability.
* '''Floppy drive service''' – Twiggy drives need head alignment and lubrication; many owners retrofit Sony 3.5″ mechanisms.
* '''Hard drive care''' – ProFile units benefit from lubrication of the spindle motor and occasional belt replacement.
* '''Keyboard and mouse cleaning''' – Contact oxidation in the detachable keyboard cable and mouse potentiometers can cause intermittent input.
* '''Logic board reflow''' – Rare VLSI chips and ROM sockets benefit from careful solder reflow to restore proper connections.

For step-by-step procedures, see the dedicated [[Apple Lisa General Maintenance|Apple Lisa Maintenance Guide]], [[Apple Lisa Troubleshooting|Apple Lisa Troubleshooting Guide]] and [[Apple Lisa Capacitor Replacement Guide]] pages.