Bill:
Last night I fixed a Compaq Presario SR5110NX, a 2007 desktop PC. Already installed was Vista.
I wiped everything off and installed XP Pro SP2.
The MB contained 1 unused IDE. The HL-DT-ST DVDRW GSA-H30l drive was attached to SATA. This drive would not read CD disks. However it read DVD disks.
I looked for drivers at hp.com but only Vista drivers were listed. I called HP tech support and they said I need firmware drivers for the drive. HP support did not help me to obtain the XP firmware drivers. They suggested driversHQ.com. However, I did not try that.
I searched google and found a firmware driver,sp26944.exe, from HP which failed to install, giving an error, system does not meet minimum requirements.
Good thing I had XP drivers on a flash drive!
I could not install the fax software because it is on CD disk.
Also, I had to charge the customer for an external USB floppy drive so the customer could restore the image of Windows XP created using bootitNG software on floppy diskette.
I was NOT pleased with HP because it appears they are forcing Vista down the throats of their customers by not providing Windows XP drivers for their new laptops and desktop computers!
Christopher C. Charles
http://drpcdr.ca
416 398 3772
> -----Original Message-----
> From: [log in to unmask]
> Sent: Fri, 15 Feb 2008 00:58:56 -0500
> To: [log in to unmask]
> Subject: Re: [PCBUILD] DVD Drive Will No Longer Read CDs
>
> At 03:41 02/13/08, Nick Northall wrote:
> >I recently purchased a new PC running Windows Vista. It has an
> >LG DVD burner drive. After 2 weeks it suddenly stopped reading
> >CDs but will still read DVDs. The advice from the manufacturer
> >is to clear the hard disk and reinstall. This has also been
> >suggested by a local PC shop as apparently the registry can
> >get corrupted (?). Something to do with Windows losing the
> >drivers apparently. Has anyone experienced this ? Anyone got
> >a simpler solution ?
>
>
> Loosing part or complete CD and DVD functionality is apparently
> a common problem with Win2k, WinXP, and Vista. (See the MS
> article at <http://support.microsoft.com/kb/314060/EN-US/>.)
>
> Here's the Registry fix described in the Microsoft article.
> I don't see that you have anything to loose by trying this.
> It worked for me. (I couldn't get my DVD and CDRW drives to
> read CD discs and the fix restored complete functionality.)
> The fix didn't cause any side effects. I've recommended this
> to five people and it solved the problem for four of them.
>
> Open Regedit. (I don't have Vista, but in Win2k and Vista
> you type regedit into the Start, Run menu and hit Enter.)
> In Regedit, navigate to
>
> HKLM\System\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFCl-087002BEl0318}
>
> (Note that HKLM is short for HKey_LOCAL_MACHINE.)
>
> In the left pane of the Regedit window, highlite this key by
> left clicking on {4D36E965-E325-11CE-BFCl-087002BEl0318}.
>
> (Careful! There are many similarly named keys under
> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\. Make
> sure you highlite the correct one, the one starting with 4D36E965.)
>
> In the right pane of the regedit viewer you'll find two subkeys
> called "UpperFilters" & "LowerFilters". Delete the VALUES for
> these subkeys. (For example, right click on "Upperfilters" and
> choose "Modify" from the menu that appears. In the small data
> window that appears, drag your cursor to highlite everything,
> all the numbers and/or letters, and hit the Delete key. (Or
> right click on the highlited data and choose "delete".) You
> should be left either with nothing, or with 0000. Do the same
> thing for "Lowerfilters".)
>
> There may be subkeys with similar names (like UpperFilters_1,
> LowerFilters_1, Upperfilters.bak, or LowerFilters.bak). These
> are backups. Don't mess with those.
>
> Close Regedit and reboot the computer so that the changes that
> you made to the registry take effect. See if your drives can now
> read both CD and DVD discs.
>
> Note: The Microsoft article mentioned above suggests that
> you DELETE (not just MODIFY) the entire registry entries
> "UpperFilters" and "LowerFilters".
>
> If deleting only the values doesn't work, you might as well
> go back and completely delete "UpperFilters" and
> "LowerFilters". It's similar to what I wrote above.
>
> In regedit, go to
>
> HKLM\System\CurrentControlSet\Control\Class\ and highlite
>
> {4D36E965-E325-11CE-BFCl-087002BEl0318}
>
> Use your mouse to highlite the word "LowerFilters" in the
> leftmost column of the right pane of Regedit.
>
> Right click on the name "LowerFilters" to bring up the
> small menu with choices Modify, Delete, Rename.
>
> Choose Delete and left click it.
>
> Repeat this for "UpperFilters", choosing "Delete" instead
> of "Modify".
>
> My gut feeling is that if the optical drives are present
> in Device Manager as working properly (no yellow question
> marks), but the drives won't read CD and/or DVD discs,
> modifying (zeroing) the upper and lower filter values
> should be enough. If the optical drives aren't listed in
> Device Manager as working properly, then deleting
> UpperFilters and LowerFilters completely is called for.
>
> Regards,
> Bill
>
> The NOSPIN Group is now offering Free PC Tech
> support at our newest website:
> http://freepctech.com
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