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In Reply to: RE: While booting up I accidentally uninstalled my primary ide channel... posted by theob on July 29, 2009 at 16:35:27
cics has said that we should start DCOM,COM+ Event,COM+ System, Event Log, and WMI before installing software - I would try this in conjunction with driver installations you are attempting. Also, when I am not sure about the effect of minlogon on system changes, or have an unexplained problem, I get out of minlogon to sort it out, that's why I mentioned it before.
The driver for Primary IDE Channel is atapi.sys, which I think is from the Windows driver cache, and probably won't be renewed from the chipset driver reinstall, but you would be hoping to trigger a reorganization that solves your problem, so still worth a try.
I am hoping to learn something new from this puzzle, so would prefer to try specific changes first. I use a SATA DVD drive so can't try for myself. So if you don't mind here goes again:
1. The services (above) running and try what you've already tried before.
2. Check your physical DVD drive connections - to IDE 0 or 1, and master/slave setting
3. With On-Chip SATA mode set to Combined, you can check and reset PATA IDE to the correct channel if necessary.
4. You could try the On-Chip SATA mode set to AUTO
Follow Ups:
I tried this , within minlogon, and nothing changed. What puzzles me is that I have a sata dvd drive as well but I think you assumed I had an ide drive. What does this mean?Ok I have the properties of one of my 2 ide channels showing not applicable for current transfer mode. I assumed it was my dvd drive because the hd works ok (boots up, plays cplay, allows tranfer of new music into hd from fd). How do I definitively tell which one is 'not applicable'?
Edits: 07/30/09
A veritable wild goose chase. The whole idea of the Combined setting was to try to allow the computer to manipulate the IDE device, which turns out to be a SATA drive! LMAO!
Can you install the DVD drive in another computer and see if it works, or perhaps install a different DVD drive in your computer. If the suspect drive can be shown to work elsewhere, the search for a culprit starts again.
I know the drive works(its brand new)and it just stopped working when I deleted my primary ide channel by accident. I found this on a google search
OR... IF THAT DOESN'T WORK TRY THIS RegEdit Option:
Following is the mechanism that has worked for me, please try it at your own risk, it involves making changes to the registry:
Open RegEdit
Find the following KEY:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\
Class\{4D36E96A-E325-11CE-BFC1-08002BE10318}\000x
The last four digits will be 0000, 0001, 0002, 0003, and so on.
Under each key, delete all occurences of the following values:
MasterIdDataChecksum
SlaveIdDataChecksum
Reboot the computer. Windows will now redetect DMA settings.
Does it make sense to try this? One of my checksum keys does have a value. I didn't delete w/o some assurance this will cause no damage.
This is getting more bizarre. I checked the registry values for checksum keys and there was one set to a non zero value but it was for the secondary primary channel (not primary) so I checked within control panel for properties of my secondary ide channel and indeed device 1 for the secondary channel now shows not applicable for current transfer mode (so I guess I am getting worse). Primary Ide Channel properties still shows not applicable for both device 0 and 1. All I did different was shut sys down/pull dvd sata cable from mobo/reboot/shut down and reset cable/ reboot in an effort to trey to get dvd device recognized by system.
..and now Primary IDE Channel is back up showing DMA ultra 5 as Current Transfer Mode for one device (not other device though). So now I am making progress. Also Secondary IDE Channel shows DMA ultra 5 as Current Transfer Mode for one device(not other device though).
I guess I leave it alone for awhile and NOT UNINSTALL PRIMARY (OR SECONDARY IDE CHANNEL) AGAIN.
Sometimes I think Fmak is right, this stuff is very unpredictable.
Well done! The old turn-it-off-and-on-again works again! You just needed to tickle the Microsoft dragon in the right place. I've had this with soundcards, where physically removing and replacing seems to wake up the drivers - perhaps an engineer can explain this phenomenon.
I tried one more thing--disconnected cable from dvd to mobo, rebooted and nothing changed but now under 'My Computer' I don't show the dvd player, whereas before it did show. So I guess that confirms that indeed the dvd plasyer is not working.
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