"reboot and select proper boot device or insert boot media in selected boot device and press a key"

[Qiubo Su (David Su)]

dear colin,

dear sir,

thanks for your reply.

i put that problem HD back to the same original server (this server can
start well when connecting to another HD with working ubuntu OS).

i did the below:

1) using the ubuntu live CD to boot the server, but when try to install the
OS onto the HD, it say the minimum required size is 4.5GB, but this HD
don't have enough size, so the OS installation process can't be started,
while the HD has a total size 500GB.

2) using the Window XP OS CD to boot the server, when start to OS
installation process, it says there is no disk, but actually there is a HD
connecting to the motherboard and its size is 500GB.

in BIOS, the HD can't be detectable (in my previous email, i says the HD is
detectable in BIOS. sorry for my mistake). could be the above 1) and 2)
problems are due to the HD can't be detected by the system? if it is, why
and how to fix it? can it be fixed?

it is a seagate 500GB HD made in china manufactured in 2008. i used it as a
linux 24x7 server for the past nearly 1.5 years. the server is in the
office room and its temperature is from 10 C to 25 C, ventilation is good,
not dusty. the server was stably sitting on the desk without physical
collision.

what could make it got such problem in 1.5 years time in such a OK
environment?

thanks,
q.s.


On Wed, Aug 21, 2013 at 8:01 AM, Colin Law <clanlaw at googlemail.com> wrote:

> On 20 August 2013 20:18, Qiubo Su (David Su) <qiubosu at gmail.com> wrote:
> > Dear Sir,
> >
> > Thanks for your advice.
> >
> > the harddrive didn't have hard shock or dropped. it may be due to high
> > temperature.
>
> Disk drives are very reliable but they do occasionally fail.  That is
> one of the reasons that important data should always be backed up.
>
> >
> > want to backup the data in this harddrive, i remove it out from the PC
> > chasis and put into an external harddrive case and USB connect it to
> another
> > working server, but can't access to the harddrive.
> >
> > what can this tell us? is the harddrive still ok? if not, can it be
> fixed?
>
> If you have connected it to another machine and it is still not
> accessible then it seems likely the drive is broken.  It may be that
> your data is not recoverable.  I don't know whether there are any
> commercial organisations that specialise in recovering data from
> broken disks.
>
> >
> > moreover, this server is running in a SOHO environment, i.e. it is
> within a
> > LAN through DHCP running on a NAT router through a NAT modem to Internet.
> > could it be possible that some one hack into this server from Internet
> and
> > "broke" the harddrive?
>
> I don't think that is likely.  When your tv breaks you do not assume
> that it has been hacked so why suspect that when the computer breaks?
> To physically damage a drive by hacking into the server would be very
> difficult if not impossible.
>
> Colin
>
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