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Find a "bootable" CD-R disk (Ubuntu Linux, Microsoft Windows Vista, Microsoft Windows 7) and restart your computer, and tell it to "boot" from the disk inserted into the CD/DVD disk. If it reads from the CD/DVD, then the hardware is OK. If it cannot read the disk, then it's time to replace the "broken" CD/DVD device.
The lens is causing the problem. Simplifying a bit, on a DVD unit, the same lens must "focus" on a laser beam reflected by the disk. CD and DVD reflect laser beams on different frequencies.
A scratched or dirty lens may be able to read DVD and not CDs.
Try first cleaning the lens with a CD cleaner product. you can also try cleaning the lens with isopropyl alcohol and cotton stub, be aware that there is risk to make situation worse using this technique. If you put too much force on lens , the optical drive may not work at all afterward.
If that does not work, rather than replacing the lens, on a laptop you replace the optical drive alltoghether.
Type of media settings might be the issue but making a change for standard CD/DVD recording (it affects reading too) Issue can be resolved. Right click on the CD/DVD drive (Usually D drive ) click on properties and select and choose the recording option. Click the enable CD recording for this drive option
Click on apply and OK. Try again. You may try after reboot the computer. If issue persist please post so we can think about some alternate solutions.