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Buffalo LS421DE Manual page 8

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IF THINGS DON'T WORK...
Cold Boot NAS: Turn OFF, LED's and fan turn off, wait, Turn ON, what happens?
Can computer connect to NAS via Navigator program?
1) Confirm on Buffalo's web-site the compatibility of drive(s) you use
2) Confirm DHCP is enabled and active on router
3) Confirm network functions and wired connections
4) Turn off Anti-virus and firewalls
5) Did LSUPDATER program display the NAS IP Address?
- Best to use static IP Address on NAS
6) Confirm drives are seated all the way in to the NAS SATA connectors
- Hard Drive will have a spin noise and most have activity LED flashing
- SSD's – most have activity LED in housing connector side, difficult to view
- Turn off room lighting and look in to NAS to see LED HDD / SSD activity
7) Attach drive to computer
- If you used USB connection to CLEAN before, connect via SATA this time
- Re-Run CLEAN using DISKPART
8) Attach drive to computer – start Disk Manager
- Drive should report as being "Online"
- Drive should be un-allocated – no partitions or formatting
- Drive should be reporting "not initialized"
9) Will computer initialize, partition and format drive. And, write/read data?
8) What is the NAS status using Navigator program?
- If EMERGENCY MODE is active there are two things to do, depending on:
1)
What NAS Firmware version is Navigator reporting (bottom right)
Did the Firmware update report original version number?
Check network communications
Re-run LSUPDATER
2)
If Firmware update version is reporting in Navigator correctly,
communications work
Double check drive compatibility
I can't think of much else that could cause install / update problems. Trouble
shooting is beyond the scope of this document and appears to be a hardware
issue. If you still have issues, call Buffalo Tech Support.

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