Guest macagain Posted December 20, 2021 Posted December 20, 2021 My 5,1 was freezing every few seconds on video, so I figured I'd restart it. But after hitting restart, it won't start back up... stuck on the "chiming" phase: one loud (normal) chime, followed up a soft chime every 3 seconds. Reading that it might be RAM, I removed all the DIMMS and just tried 2 pieces at a time, but none of them worked. Sometimes I get a gray screen, sometimes black. Have also tried to do a PRAM reset but to no avail. Also did SMC reset. Any ideas for trouble shooting... Read more Source: MacRumors
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