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Home Forums 68kMLA Mac IIci - Recapped and Won't Turn On — #6
Post #6 by zuiko21
Source Forum68kMLA
CategoryHardware
Post DateMon, 5 Dec 2011 - 23:58
Original URLhttps://68kmla.org/bb/threads/mac-iici-recapped-and-wont-turn-on.24334/
Post
Not sure about the IIci, but some old Macs need a working Lithium battery in order to startup.

Maybe you could try to put near 5 V between pin 9 of the PSU connector and ground -- a similar procedure can be used for starting up a Mac IIx.

mp.ls