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no medium found. cdrom broken?

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I haven't been able to read any CD from my cdrom drive in my computer
running Debian Etch for quite a few weeks. Not sure exactly when this
problem started. Whenever I insert a disc, it doesn't get detected and
if I try to manually mount it, I get the message "no medium found" or
some such thing.

That same disc works in the cd write on the same computer.

I noticed yesterday, that when the computer boots up or when I close the
cdrom's tray, the LED on the cdrom blinks as usual. But when I insert
the disc and close the tray, the LED blinks for a while, then nothing
happens and when I take out the disc the disc appears to have not moved
at all. Looks like the cdrom drive is not spinning it at all.

So, it is the drive broken? Doesn't look like to be an issue with hal or
dbus.

->HS

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no medium found. cdrom broken?

Submitted by Wayne Topa on Thu, 2006-11-30 20:00.

H.S.(hs.samix@gmail.com) is reported to have said:
>
> I haven't been able to read any CD from my cdrom drive in my computer
> running Debian Etch for quite a few weeks. Not sure exactly when this
> problem started. Whenever I insert a disc, it doesn't get detected and
> if I try to manually mount it, I get the message "no medium found" or
> some such thing.
>
> That same disc works in the cd write on the same computer.
>
> I noticed yesterday, that when the computer boots up or when I close the
> cdrom's tray, the LED on the cdrom blinks as usual. But when I insert
> the disc and close the tray, the LED blinks for a while, then nothing
> happens and when I take out the disc the disc appears to have not moved
> at all. Looks like the cdrom drive is not spinning it at all.
>
> So, it is the drive broken? Doesn't look like to be an issue with hal or
> dbus.

1. Does /media/cdrom0 esist?
2. Does ls -l /cdrom return /cdrom -> /media/cdrom0/ ?

This has happened here more then once. If #1 and #2 are no, then do
this
____
rm -f /cdrom
mkdir /media/cdrom0
ln -s /media/cdrom0 /cdrom
____

I have added this to my /root/.bash_profile so I don't have to see the
"no medium found" again.

if [ ! -d /media/cdrom0 ]; then
mkdir /media/cdrom0
ln -s /media/cdrom0 /cdrom
fi

NOTE: there are 2 symbolic links that you also need. they are
/dev/cdrom -> /dev/cdrom0
/dev/cdrom0 -> /dev/hdd (/dev/hdd is my cdrom)

These don't "go away" like the others do, IME.

Wayne

--
Using TSO is like kicking a dead whale down the beach.
-- S. C. Johnson
_______________________________________________________

--

»

no medium found. cdrom broken?

Submitted by H.S. on Fri, 2006-12-01 14:00.

Wayne Topa wrote:
> H.S.(hs.samix@gmail.com) is reported to have said:
>
>>I haven't been able to read any CD from my cdrom drive in my computer
>>running Debian Etch for quite a few weeks. Not sure exactly when this
>>problem started. Whenever I insert a disc, it doesn't get detected and
>>if I try to manually mount it, I get the message "no medium found" or
>>some such thing.
>>
>>That same disc works in the cd write on the same computer.
>>
>>I noticed yesterday, that when the computer boots up or when I close the
>>cdrom's tray, the LED on the cdrom blinks as usual. But when I insert
>>the disc and close the tray, the LED blinks for a while, then nothing
>>happens and when I take out the disc the disc appears to have not moved
>>at all. Looks like the cdrom drive is not spinning it at all.
>>
>>So, it is the drive broken? Doesn't look like to be an issue with hal or
>>dbus.
>
>
> 1. Does /media/cdrom0 esist?
> 2. Does ls -l /cdrom return /cdrom -> /media/cdrom0/ ?

I have:
$> ls -l /cdrom
lrwxrwxrwx 1 root root 11 2006-06-05 13:58 /cdrom -> media/cdrom
$> ls -l /media/cdrom
lrwxrwxrwx 1 root root 6 2006-06-05 13:58 /media/cdrom -> cdrom0
$>

So this appears to be okay.

However, I tried putting in a bootable CD into the cdrom (hdc) drive and
rebooted the computer. The machine failed to read the disc. I repeated
this by putting the disc in the cd writer (hdd) and the machine booted
from the disc. Looks like the cdrom drive is gone kaput. Before trying
the boot experiment, I had disconnected and reconnected the IDE cable of
the drive and also its power cable, just in case there loose connections.

->HS

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