![Mac Pro 4,1. 4 red lights on CPU and ram board. Any help? Has startup chime but no video output : r/macpro Mac Pro 4,1. 4 red lights on CPU and ram board. Any help? Has startup chime but no video output : r/macpro](https://preview.redd.it/cylzpf4fnpj71.jpg?width=640&crop=smart&auto=webp&s=10f4dcd2e717c9dcf292bc435b2450ad5611504a)
Mac Pro 4,1. 4 red lights on CPU and ram board. Any help? Has startup chime but no video output : r/macpro
![Hello this red light appear on my 2020 mac book pro touch bar, maby someone know what this red light means and how tonremove it? : r/macbookpro Hello this red light appear on my 2020 mac book pro touch bar, maby someone know what this red light means and how tonremove it? : r/macbookpro](https://i.redd.it/mptyhv7p0s861.jpg)
Hello this red light appear on my 2020 mac book pro touch bar, maby someone know what this red light means and how tonremove it? : r/macbookpro
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Red Diagnostic LED DSI510 and Mac Pro not starting - broken Northbridge heatsink rivet | MacRumors Forums
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