Sounds like the box is configured to output the display to the serial port.
You can setup a terminal on comX with the standard n/81/ and see anything
there.
You should get something on the monitor, at least the BIOS screen after a
cold boot. If you have no video at all, there is more than one then wrong I
would guess.
The f1.f6 is a good idea.
On Thu, Jan 24, 2013 at 10:21 AM, Mark Phillips
<
mark@phillipsmarketing.biz>wrote:
> Mike,
>
> Unfortunately, there is still no signal after a hard reboot. If there
> were, then I would do what you suggest.
>
> Any ideas on how I can determine what is wrong by using something like a
> knoppix cd?
>
> Mark
>
>
> On Thu, Jan 24, 2013 at 6:52 AM, Mike Ballon <mike.ballon@gmail.com>wrote:
>
>> If there is no signal to the monitor with the box "up" I would reboot it.
>>
>> From there you'll need to figure out if the boot loader is intact or not.
>> If it is you can boot into single user mode and try to figure out what's
>> going on with the box. If you do not get the boot loader now we're talking
>> about a repair to either the loader or the system as a whole using a disc
>> or memory stick.
>>
>>
>> http://www.cyberciti.biz/faq/grub-boot-into-single-user-mode/
>>
>>
>>
>> On Thu, Jan 24, 2013 at 8:28 AM, Mark Phillips <
>> mark@phillipsmarketing.biz> wrote:
>>
>>>
>>> I used aptitude to upgrade a headless server from Debian stable to
>>> Debian testing. The upgrade did not generate any error messages, but when I
>>> rebooted I could not ssh into the box (connection refused) nor do I get any
>>> output on a monitor I attached to the box (no signal). Apache does not
>>> appear to be running either on the box (could not connect to the box). I
>>> can successfully ping the box.
>>>
>>> Any suggestions on how to fix this this server would be greatly
>>> appreciated!
>>>
>>> Thanks,
>>>
>>> Mark
>>>
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>>
>>
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