Question about Computers & Internet
My Acer Notebook came standard with this burner and it worked fine for 2 years but now it reads professionally made cd's (like programs and music bought in stores) but it won't read copied discs. Not just music but data cd's too. That means every time a client gives me a disc to work from my notebook sees it as an empty disc. PLEASE HELP!!! I'm desperate! My Lenovo Y500 Notebook came standard with this burner and it worked fine for 1 years but now it reads professionally made cd's and DVD's (like programs and music bought in stores) but it won't read copied discs. Not just music but data cd's too. PLEASE HELP!!! I'm desperate!
CD drives work by reflecting a laser to a sensor, where the existance or absence of a reflected signal corresponds to a 1 or a 0 in the binary code.
Prefessional "pressed" CD have a much greater level of "contrast" between 1 and 0, while CD-Rs have a lower contrast and CD-RWs lower still. This is why many older CD players that were not designed to read CD-Rs will either not read writable disks, or will read only CD-Rs and not CD-RWs.
Since you are able to read "high contrast" CDs but not lower contrast CD-Rs, it sounds as though your drive is getting a poorer signal than it did when it was new. This could be:
The laser is old and fading out.
The system is mis-aligned.
The lens is dirty and the signal is not all passing through to be detected.
You can't do much about the first two, other than buying a new drive (you could get a replacement internal one, or an external USB CD drive). However, before you do that, try very carefully cleaning the lens. A laptop CD drive usually has a try with the lens mounting in it which spits out with the CD, so you could either clean it manually with a little rubbing alcohol (isoproyl alcohol), or meths on a cotton-wool bud, or preferably get a lens-cleaning CD and run that in the drive.
Hope it works!
Posted on Sep 12, 2008
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Posted on Jan 02, 2017
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