System starts in emergency mode...how do I recover ?? (as a newbie)

[Ed Greshko]

On 08/25/14 06:28, antonio wrote:
> Ed Greshko ha scritto / said the following    il giorno/on 25/08/2014 00:22:
>> On 08/25/14 06:10, antonio montagnani wrote:
>>> Suddenly my laptop when rebooted doesn't start in the usual way After six months of hard work) but it stops when bootib with this message
>>> drm:cpt-serr_int_handler ERROR PCH transcoder a FIFO underrun
>>> and the appears some lines with request for password for maintenance mode or CTRL-D option...
>>>
>>> If I open journalctl -xb I see some errors in particular saying that fsck failed with error code 4 on dev/mapper/fedora and suggestint to use fsck.
>>>
>>> How do I revover from this situation?? (I am writing from this machine started with CTRL-D option)
>>
>> Did you then run fsck manually?  Error code 4 means ...  "Filesystem errors left uncorrected".  Sounds like a disk may be dying.
>>
>> The PCH transcoder error, on googling, seems to be related to Intel graphics and not a fatal error.
>>
>
> how do I run fsck manually?? surprised to hear that a disk may be dying as the system is six months old .....
>

fsck dev/mapper/fedora

should be sufficient to see if there are error.  Others may suggest you run "fsck -y dev/mapper/fedora" to have it try and fix problems automatically. 

Disks do die early from time to time. 

-- 
If you can't laugh at yourself, others will gladly oblige.