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In Reply to: RE: While booting up I accidentally uninstalled my primary ide channel... posted by seger on July 30, 2009 at 06:46:20
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.
Follow Ups:
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.
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