[xubuntu-users] DVD iso burning 8X?

Keith W kwithey at btconnect.com
Tue Sep 2 06:31:56 UTC 2014

On 01/09/14 23:52, James Freer wrote:
> Since I bought a new PC a couple of years ago I haven't been able to 
> burn isos and get the correct md5sum. Using both Brasero and k3b the 
> min speed this drive can do is 8X. Every time I burn an iso it fails 
> the md5sum. I tried DVD-RW 4X discs and that worked - but when I blank 
> the disk and try to burn another it fails. It seems I have a poor DVD 
> drive - are these modern SATA drives only capable of 8X. It plays DVD 
> videos fine and seems to be ok otherwise.
> I understood that the bigger the iso the more likely a burn is to 
> fail. How reliable is burning a DVD?
> My old PC only had a CD writer/DVD reader drive bought in 2005 - it's 
> been faultless burning CD isos and I have only ever used 4X (it's 
> minimum speed). Maybe it's old but never failed to produce a copy.
> This newer PC DVD drive it would seem is poor at 'writing'. I'd be 
> grateful if someone could let me know if they've had problems burning 
> DVDs at 8X - were CD writers more reliable? I have always burnt an iso 
> for each release install as I don't like USB sticks... perhaps that's 
> what most folk use now.
> thanks
> james
Have you tried burning at a higher speed?  I had a drive that would burn 
perfectly at all speeds other that the minimum.  The law of universal 
perversity (known by other names!  8-)  )   ensured that it was when I 
_had_ to quickly get a CD out that worked perfectly that I tried the low 
speed burn, and produced several coasters before successfully going back 
to my top, or next to top speed.


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