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March 27th, 2025 21:09
Optiplex 3020 won't boot.
Hi,
I have an optiplex 3020 MT.
Recently, I added an RX460 and 16gb of RAM. It booted up and worked fine. I have since added an i5 4670k and it would not boot and the power button flashed yellow two times. I removed one of the 8GB sticks so that it would have 8GB of RAM and it booted up fine.
Can anyone explain what is going on.
Thanks.
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JOcean
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12.6K Posts
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March 28th, 2025 02:59
From what I have seen in the specs, an i5 4670s is compatible but not the K version. By your symptoms it sounds like the memory channel on the 4670k is giving you a problem due to incompatibility (and possible power requirements). This forum post has far more information. And yes it is for the SFF but the systems are identical when it comes to CPU specs.
(edited)
ECD158
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March 28th, 2025 07:31
@JOcean I'm going to assume it is power related and upgrade the PSU to 430w.