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Forum Discussion
Ultra 4 doesn't boot anymore after restart
My ReadyNAS Ultra 4 has been running OS 6 happily for a long time now. Recently I restarted it using Frontview. It powered down as usual, but after that it didn't boot anymore. When I turn it on, the...
I would not recommend you purchase a replacement supply and try that -- very low probability of success. However, you can create an adapter cable for a standard ATX supply mounted externally and see if that works -- it's a lot cheaper to just see if that will work or to use it to recover any files not already backed up. But since you were already running OS6, you can just put the drives in a newer NAS designed for OS6 and all should be well, assuming whatever took out the NAS didn't damage the volume.
I should have some spare ATX powersupplies somewhere, so I first try to modify one of those using the guide shown here:
It'll have to wait till after my holiday though, so it might take a few weeks...
What I have found best is use a 20/24 pin ATX extender cable and re-wire the two extra 12V in the 4-pin section of the 24-pin side that mates with the supply to pins 12 and 18 (-5V and -12V in ATX) on the NAS side.
For some reason, I couldn't log in on the Netgear community for a while after my holiday, so it took a bit longer than expected...
I tried an ATX powersupply with the two pins changed. When I tried booting, the LED on the powerbutton lights up for a short while and the fan starts spinning a bit. Then everything goes off again.
This wasn't really what I expected and I was afraid I broke something, so I connected the original powersupply again and the device booted normally again. I only tried with 1 spare harddisk and it went to the setupscreen to set up the NAS. Since nothing really changed since it broke down, I don't trust it enough to use it like this.
Any idea what happened?
Could be a marginal power supply or oddball intermittent issue. I would definitely back up your nas if you haven't already. Then, I would use it like normal and see if it does it again to get an idea of what the root cause may be.
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