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Solved
No Disks Detected (RND4000-200NAS)
My ReadyNAS NV+ v2 was making fan noise so I decided to shut it down and blow it out with compressed air. Powering it on, it displayed "No Disks Detected". Based on one response on these forums ...
Solution found:
The cheap external power supply I bought off of Amazon failed in some strange way (it must have been producing enough power to light most everything up, but the drives spinning up must have drove the voltage low and it failed or something electrical that rhymes with that).
I bought a whole additional case off of ebay, but it turned out all I needed was the power supply.
There was actually another thread that I found which suggested that this could be a power issue but they suggested plugging the unit into a different outlet. I didn't make the connection that it could have been the external power supply or think that the power supply could even have a failure mode where it started to not produce enough power rather than just failing outright.
The NV+ V2 is a model with which I have no personal familiarity. I does sound like something may have simply come loose during your cleaning operation, but I can't make any suggestions as to what connection that might be.
Netgear does not make schematics of the ReadyNAS available, so troubleshooting a damaged SATA backplane is not really an option. I have seen two cases of damaged backplanes, and both were fixed by replacement from a used NAS purchased for parts. In both cases, however, only some of the slots were bad. With all slots not detecting a drive, it could be in the SATA controller itself, not the backplane.
Solution found:
The cheap external power supply I bought off of Amazon failed in some strange way (it must have been producing enough power to light most everything up, but the drives spinning up must have drove the voltage low and it failed or something electrical that rhymes with that).
I bought a whole additional case off of ebay, but it turned out all I needed was the power supply.
There was actually another thread that I found which suggested that this could be a power issue but they suggested plugging the unit into a different outlet. I didn't make the connection that it could have been the external power supply or think that the power supply could even have a failure mode where it started to not produce enough power rather than just failing outright.
Care to share the brand of the power supply you found wanting to direct others away from it?
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