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[OPEN] Alpha m.2 not recognised / not booting

Posted: Wed Jan 09, 2019 8:08 pm
by THW Mark
Hi,

received my alpha bundle a few days ago and the product looks really great. I've now started to experiment with some of the extensions. I wanted to use a 512GB Samsung EVO 850 SSD as a secondary storage device, but my panda won't boot when it is installed.

More specifically, if i disable the SATA function in the bios, the device boots fine into Windows from the EMMC. However, as soon as SATA is enabled, the "Latte panda + rotating circles" screen freezes. When I reboot into recovery mode it crashes with a BSOD. So it looks like the SSD is not recognised, but i just pulled it from a working PC.

I've seen some suggestions here that point to the power supply, but as i can boot it when SATA is disabled it looks more like a BIOS issue to me. Any suggestions?

Re: Alpha m.2 not recognised / not booting

Posted: Wed Jan 09, 2019 9:20 pm
by THW Mark
One update: after I left the panda booting for at least 15-20 minutes, it did make it into windows. Interestingly, the SSD is recognised in device manager but not all properties can be read. The samsung magician software states it is a unsupported device.

Upon closer inspection of the error log, i find repeating errors/warnings stating: "Reset to device, \Device\RaidPort0 was issued". There are a LOT of these errors so I guess that's why the booting/loading of SSD related properties is taking so long.

Could still be a power issue?

Re: Alpha m.2 not recognised / not booting

Posted: Wed Jan 09, 2019 9:57 pm
by ccs_hello
I think your issue is related to Windows installation method.
You cannot remove a SSD from one working PC to another PC with a different hardware configuration.

Actually, your observed "15 - 20 minute doing nothing but just spinning circles" is the activity that
Windows is trying very hard by itself to recover/rebuild itself to adapt to a new hardware environment.

Even with that fix-up activity, there is no assurance everything will work normally.

I.e., install from fresh or use another LP Alpha's OS image to get started.

Re: Alpha m.2 not recognised / not booting

Posted: Wed Jan 09, 2019 10:47 pm
by THW Mark
ccs_hello wrote:
Wed Jan 09, 2019 9:57 pm
I think your issue is related to Windows installation method.
You cannot remove a SSD from one working PC to another PC with a different hardware configuration.
I doubt this is the case. I'm booting my panda from the EMMC with the pre-installed windows. The only thing i am trying to do here is adding an additional SSD for extra storage. It is clean/does not contain a windows install. It should just pop up as an extra device in windows, just like when you add a disk to an normal desktop machine...