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Mac Plus lines / patterns. No chime.
Posted by: elemenoh on 2019-10-01 23:35:53
Earlier today my Mac Plus failed to start up. No chime and it had even horizontal bands across the display.

I removed the installed RAM and then it had a different video pattern that would change slightly every half or quarter second -- still no chime.

I put the RAM back in and it booted up okay.

Dead Mac scrolls didn't have a symptom that seemed to exactly match this. Any ideas what might be going on?

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