Member Avatar for plic

hello i am plic
i installed a combo drive 2 days ago.
it was till morning but now although it is reading dvd's it is not reading cd's!
please can somebody tell me how to go about eliminating this problem.
is this a hardware issue or a software one?

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  • Latest Post Latest Post by dvb-source

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Short, practical checklist that complements and : when a combo drive reads DVDs but not CDs, both physical and media/format causes are possible. Start with simple isolation steps: try several different discs (commercial pressed audio, a known-good data CD, a burned CD-R and a CD-RW). If one type works and others do not, suspect media/format or burn-session issues; if no CD works, proceed to hardware and OS checks.

Reboot and confirm the drive is seen in BIOS. In Windows look under Device Manager -> DVD/CD-ROM drives. If the drive is missing or shows an error, that points at power, cabling, or controller issues. If the drive appears but CDs still fail, try uninstalling the device and letting the system redetect it. On older Windows installs, corrupt UpperFilters/LowerFilters entries can block CD access; search Microsoft KB for instructions before editing the registry. Only consider a firmware update from the drive maker if their changelog explicitly addresses CD read problems.

Physical troubleshooting: power down and reseat power and data connectors, swap the data cable or port, and test the drive in another PC or via an external adapter if available. Use a lens-cleaning disc and inspect CDs for scratches or dirt, but do not open the drive (this can void warranty). If, after these tests, DVDs still read but no CDs do, the CD-reading pickup or optics are likely failed and replacement or RMA is the practical next step.

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Member Avatar for TheNNS

it's a hardware issue, could be a bad data cable, or it could be a defective drive.

Member Avatar for dvb-source

it's a hardware issue, could be a bad data cable, or it could be a defective drive.

maybe your cd's have a little matter,or it's special format.

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