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DVD-RAM will read DVDs but not CD-ROMs

Hi,

I'm an independent computer tech. My customer's laptop has an interesting situation: the DVD-RAM drive can read any DVD (home-burned or not) or any audio CD, but cannot read *any* CD-ROM, whether it was burned or not. I have verified this by testing all the discs in my possession, and cannot find any exceptions.

When it tries to read a CD-ROM, I hear several clicks and a few seconds of silence, then the pattern repeats a few times. I tried the following fixes, to no effect:

- Cleaned the laser with 91% isopropyl alcohol on a lint-free cloth.
- Removed the registry entries for upperfilters & lowerfilters, as described in some other posts in this forum.
- Uninstalled the DVD-RAM drivers and rebooted.
- Searched for updates for all drivers - none available.

Here's the info - any help will be greatly appreciated. This one's got me stumped.

Toshiba Satellite A215-s5837
Vista Home Premium SP2 32-bit
(all drivers below are in C:/Windows/System32/Drivers)
Matshita DVD-RAM UJ-850S - drivers cdrom.sys and tdcmdpst.sys
Device Manager - IDE ATA/ATAPI Controllers:
- IDE Channel 0 - 2 devices:
- ATA Disk, Ultra DMA Mode 6, drivers atapi.sys and ataport.sys
- ATAPI Cdrom, Ultra DMA Mode 2, drivers atapi.sys and ataport.sys
- IDE Channel 1 - 0 devices
- Standard Dual Channel PCI IDE Controller, PCI bus 0, device 18, function 0
- Drivers atapi.sys, ataport.sys, pciide.sys, pciidex.sys
- Standard Dual Channel PCI IDE Controller, PCI bus 0, device 20, function 0
- Drivers atapi.sys, ataport.sys, pciide.sys, pciidex.sys

Thanks in Advance ... Lou
5 answers Last reply Best Answer
More about read dvds roms
  1. Best answer
    could just be a hardware issue, do you have a spare to try?
  2. No, it's just me in my condo - the only spare parts I've got are those I've accumulated from computers others have thrown away, and unfortunately none of my spare laptop DVD drives fit this one. If I can't find any other solution, tho, I'll have to assume it's a hardware issue. I just don't want to order a drive on the Internet and find that the solution was something else.

    Besides, does hardware really make sense? It works fine on DVDs and audio CDs ... ?
  3. does it make the clicks sound when you play dvds or audio cds?
  4. rgd1101 said:
    does it make the clicks sound when you play dvds or audio cds?


    Nope, only when it tries to read a CD-R or CD-ROM.
  5. Best answer selected by InfoJunkies.
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