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Í have a Ricoh CDRW and it worked very well.

Until one day after an accidental restart, It can only read some of my CD, even those CD that I can read before the accident!

And now, when it reads some of the CDs, it will just stop, I can't even eject the CD.

Then Windows will tell me that I have unplugged the CDRW from the computer. (Like when you unplugged an USB device). But it is an internal CDRW. Can someone please help me?

Loose cable on the back?

I had an experience with an old CD-ROM drive ( windows was saying that it was not connected properly and it wasn't reading any cd ) .
I have done two things . I have opened my CD ROM drive and cleaned with alcohol the electronical card inside ( there was a few dust ) . And before trying again to read cd i have used a CD-ROM to clean the lens .
Don't know what worked but then i could again read all CD-ROM for a week or two . But later i had often problems with this CD-ROM drive to read some CD-ROM ( it worked well or not at all ) . I don't use it anymore because it is worn .

In my case the event was the install of a CD/RW drive ( but after , no matter the computer or the status , there was a hardware issue ) .

You should check if :

- DMA is still on . DMA off can give weird results though not these results usually .

- if ASPI layer ( if you have one ) is not corrupted . I know it can give weird reading results because i experienced it with my LTD-166S .

you can use NeroInfotool for these tasks .

http://www.cdspeed2000.com/go.php3?link=download.html


By the way what is your O.S ?

And you can also power off ur computer unplug the CD/RW and plug it again ( i know it solves some compatibilities issues but i don't have encountered it with bad reboot ) .