Seagate NAS OS 4 U User Manual page 169

Soft clicking can be the normal sound of the hard drive working. If the hard drive is functional, this is normal.
Hard drives do not typically give an indication of any problems prior to failure, so it does not mean it is
about to fail if the hard drive is making a clicking sound and still functioning. You can check the status of your
Hard clicking is a very noticeable sound, and is akin to hearing metal-on-metal impacts. This behavior is
usually indicative of a physical failure. If nothing traumatic happened to the hard drive prior to this starting,
The VGA monitor that I connected to the NAS appears to be receiving a signal but
A: The VGA signal reverts to energy saving mode within a few minutes. If the monitor appears to be receiving a
signal but no image is present, try to connect a USB keyboard to one of the NAS's USB ports. Tap on one of the
.The numbered list below provides general troubleshooting recommendations to resolve problems with AD
Check Monitoring to review CPU usage (see Monitoring). You can experience AD connection problems if the
Multiple simultaneous data transfers to/from the NAS from computers on the network (wait until the
Make sure the product is assigned the correct date, time, and time zone. A time discrepancy of more than
five minutes between the domain and the product may prevent or cause disruptions to the AD connection.
.This tolerance is defined in Domain Controller Policy, and the default value is usually five minutes
Make sure that the DNS server address provided to the NAS is a domain DNS, not an Internet DNS
provided by an Internet service provider (see Network). The NAS must connect to the local network
domain, not to a server on the Internet. Therefore, make certain that the NAS is assigned an IP address by
the DNS server on the local network. To verify that the NAS is using a DNS IP address, try to ping the DNS
Enter the domain's Full Qualified Domain Name (FQDN). For example: directory-example.domain.com
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.I think that the hard drive is making unusual noises
.consider it to be soft clicking, and troubleshoot the problem as suggested above
?Q: How long has the VGA monitor been connected to the NAS
.Confirm that your NAS is running the latest NAS OS firmware
:CPU is running high. Actions or jobs that can burden the CPU include
(RAID synchronization (in this case, wait until the RAID is built
(Multiple download jobs are running (stop or wait until download is finished
(Backup jobs are running (stop or wait until backup jobs are finished
:server from a computer on the same network. Settings > Workgroup/Domain
((Active Directory Users and Computers Tool on Primary Domain Controller
.Administrator login: The AD's administrator username
10/18/16
Hard drive noise and VGA monitor
" ? Q: Is the sound "soft clicking" or "hard clicking
( . hard drives by running a SMART test (see
( . the screen is black (applies to select NAS
(Troubleshooting the active directory (AD
(Multimedia re-indexing (disable UPnP
Monitoring
.keys to view the NAS's VGA signal
(transfers are complete
: A
NAS OS
Seagate NAS OS 4