23790954 13:23 27 Apr 2007

My system has been working fine since I built it a year or so ago. However when I tried to use my DVD ROM and DVD Writer last night, neither of them would work. They worked fine a couple of days ago. When I checked the device manager it showed the yellow squares next to both drives to say that something was wrong. My system also does NOT pick up the drives and show them on My Computer when opened. I have since changed the IDE cables to each drive, without success, I have swapped both drives from Master and Slave and vice versa, also without success. I have installed a spare DVD drive which the system also does not show on my computer when opened. As my hard drive is a SATA drive, I have connected the DVD drives to both IDE motherboard connections, in turn. I have updated my motherboard drivers and my Graphics card drivers, but still my DVD drives fail to operate.
My system appears to make out that NO DVD drivers are installed, but I was of the opinion that a DVD rom drive would still operate as a CD rom drive. I have Windows XP professional installed and my DVD ROM and DVD writer are both Lite-on Make. Any advice on how to rectify this error would be appreciated, and, if installing DVD drivers would rectify it, where would I find Lite-on DVD drivers. Thanks for all advice given. I have also checked BIOS settings.

  [email protected] 13:27 27 Apr 2007

for lite on drivers
click here

  [email protected] 13:31 27 Apr 2007

also is it worth trying a system restore to a couple of days ago when last ok

  Stuartli 13:40 27 Apr 2007

Try Uninstalling the Secondary IDE Channel from Device Manager and rebooting to allow Windows XP to reinstall it.

  skidzy 14:04 27 Apr 2007

Missing cd/dvd drives can be normally associated with the removal of burning software such as Nero/Roxio/Sonic/Easy CD Creator etc.
And not showing the drive in My Computer.

Try the below link ,if still no luck follow the Procedure of removing the upper and lower filters.

click here

If no joy with the above fix,try the Microsoft Guided Help

click here scroll down to the Guided help download and follow the instructions.

If still no joy,follow the manual fix below.

If you have further any error codes,please post them.

Restore Missing CD/Dvd Drives

Missing cd/dvd drive
If it is showing an error code:
Code 19, Code 31, Code 32, Code 39, or Code 41
, delete the drive.

Then follow these directions for clearing the Upper/Lower Filters: (might want to print this out)

1. Click on Start --> Run --> and type in 'regedit' followed by the enter key ( if Vista Start search or windows+R )
2. Expand the "HKEY_LOCAL_MACHINE" key (looks like a folder) by double clicking it (or
3. clicking the "+" next to it.)
4. Expand the "SYSTEM" Key
5. Expand the "CurrentControlSet" Key
6. Expand the "Control" Key
7. Expand the "Class" Key
8. Please look for a key containing the following string of letter and numbers:
9. High light this key by left clicking once on it
10. On the right hand side you are looking for "UpperFilters" and "LowerFilters" under the "Name" column, once you find these please delete them by right clicking on them and choosing "delete"
11. Please exit the registry by clicking on the "X" in the top right hand corner of the screen

Reboot your computer

.If in any doubt editing the registry,please create a System Restore point first and also backup your registry....The guidedhelp from Microsoft on backing up the registry is a good lesson for anyone to learn. click here

Creating a System Restore point:

Start/All Programs/Accessories/System Tools/System Restore…follow the prompts.

  skidzy 14:21 27 Apr 2007

Just a quick thought,check the DMA settings are correct and not set to PIO,though if PIO it should still be recognised.DMA reset tool click here

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