ReadyNAS Ultra 6 (6.10.10) doesn't boot - Stuck on "ReadyNAS" prompt screen

Question

I think my unit has finally died, I'm just trying to confirm, or see if there's a way to work out which component is faulty.

Power on, shows "ReadyNAS" on the front panel, goes no further. I can't hear it powering up any disks. If I pull all the disks and power on, I don't get any "no disk" error. If I hold in "reset" and power on, I don't get any boot menu. If I hold down "backup" and power on, it doesn't attempt to boot from USB. Anything I've missed trying?

Unit was upgraded to OS6 about 4.5 years ago, 4GB RAM installed, I don't think that's the issue. Original power supply wore out about 6 months ago and I replaced it, seems unlikely the new one has failed (old one stopped generating enough power to kick over and start the unit, unit seems to power on fine, just not booting).

I'm guessing I'm looking at failure of CPU, mainboard or similar - anything else I can do to diagnose? Probably not worth spending $$$ on at this stage (better spent on something new), the unit is quite old - lasted probably longer than expected.

Sandshark · Answer

There are actually a lot of things that can cause this, the PSU is just the most common.&nbsp; "ReadyNAS" is the default display, programmed into the display itself, so it only takes 5V for it to show up.&nbsp; The NAS doesn't even need to get through POST, so RAM, CPU, and a lot of other components could be the culprit.&nbsp;Rather than purchase yet another supply, do you have a standard ATX12V supply (even one you can temporarily remove from a computer)?&nbsp; You can hook it up externally and see if the NAS boots.

StephenB · Answer

ItsPeter2&nbsp;wrote:
&nbsp;
Power on, shows "ReadyNAS" on the front panel, goes no further.

This is usually a failed PSU.&nbsp; You can replace it fairly inexpensively.&nbsp; I'm tagging Sandshark&nbsp;as he often provides useful advice on this..
&nbsp;
&nbsp;

ItsPeter2 · Answer

When the power supply was dead, mine wouldn't power up at all. The on button would attempt to spin the fan, but failed to start.&nbsp;When the board was dead, it was exactly like what you are describing.&nbsp;But others in this thread identified that a failed power supply can also present as a similar issue, and a failed PSU is more common. If you have a power supply you can borrow out of a PC, it's a fairly simple test to see if that fixes things - I'd at least give that a try, as it's an easy fix if that's the issue.

ItsPeter2 · Answer

I'm not saying it's impossible that the PSU has gone bad, but I installed a brand new Silverstone SX700-G power supply into the unit in April - that power supply would still be under warranty.

https://cplonline.com.au/silverstone-sst-sx700-g-700w-sfx-power-supply-80-plus-gold-fully-modular.html

I think my only way to test this would be to buy another PSU - happy to give it a shot, it just seemed unlikely to get a fail on a basically already new PSU.

StephenB · Answer

ItsPeter2&nbsp;wrote:
I'm not saying it's impossible that the PSU has gone bad, but I installed a brand new Silverstone SX700-G power supply into the unit in April - that power supply would still be under warranty.
&nbsp;

Only seeing ReadyNAS on the LCD screen suggests that the PSU might only be delivering 5 volts.&nbsp;

Forum Discussion

ReadyNAS Ultra 6 (6.10.10) doesn't boot - Stuck on "ReadyNAS" prompt screen

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