Programs you are having problems with Error messages Recent changes you made to your computer What you have already tried to fix the problem. Lenovo N DVD-rom missing. This site in other languages x. Leann Ogasawara leannogasawara wrote on Hi Belzecue, If you are still interested in debugging, would you please attach your dmesg output when the drive if not recognized as well as the output of ‘sudo lspci -vvnn’. Thanks for your feedback, it helps us improve the site.

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To post a comment you must log in. I will test and see what acpi functionality I have lost with the option switched on. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. This problem is a subset of Lenovo N DVD-rom missing.

If you are still interested in debugging, would you please attach your dmesg output when the drive if not recognized as well as the output of ‘sudo lspci -vvnn’. I think this issue is closely related to bug https: What I don’t understand is, if I can boot up the Ubuntu CD and install it, why is the drive lost after installation?

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Thanks for your feedback, it helps us improve the site. I tried all solutions mentioned in related Matshita Bug but they did not work for me. See full activity log.

If people are still having issues, they are need to file separate bug reports. Imran Chand Replied on January 12, Programs you are having problems with Error messages Recent changes you made to your computer What uj80 have already tried to fix the problem.

MATSHITA DVD-RAM UJ-850 Firmware RB41 download

You are not directly subscribed to this bug’s notifications. Regards, Manasa P — Microsoft Support.

Lenovo Unknown device [17aa: I installed Ubuntu 8. Therefore, I have no “Restore Point” to go back to, nor do I have the original drivers. Tech support scams are an industry-wide issue where scammers attempt to trick you matdhita paying for unnecessary technical support services.

Sorry this didn’t help. Note that the optical drive must be in the Ultrabay during system matshitaa Ultrabay device swapping is currently unsupported. This thread is locked. How satisfied are you with this response? This bug report is a duplicate of: If it is not detected then it could be hardware issue, you will have to check with OEM [Original equipment Manufacturer].

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MATSHITA DVD-RAM UJ-850 resources, firmwares and drivers

Other bug subscribers Subscribe someone else. I discovered this by comparing the kernel boot options used by the Live CD with those used after installation to disk. I tried commenting out this module and rebooting, hoping it might restore the DVD device, but it did not. Tell us about your experience with our site.

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I’ve attached kernel messages and pci output, hope it will help. You can follow the question matsjita vote as helpful, but you cannot reply to this thread. Belzecue gmcsswa wrote on Add tags Tag help. The dvd drive is not found in DevMgr, ‘MyComp’ or anywhere on my laptop, although it is powered on.

Leann Ogasawara leannogasawara wrote on Tried adding kernel boot option: