Unable to Undock Laptop

Posted: 09-10-2007, 09:06 PM

TCM1024

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I have a Lenovo ThinkPad X61 tablet notebook and Vista Home Premium. I
believe my problems started when connecting a USB external hard drive to my
Vista system. Here are the scenarios I'm now observing:

Scenario 1 - Already booted laptop inserted into docking station: The DVD
drive in the ultrabase docking station is recognized and usable. However,
I'm unable to undock from the docking station because it says "ATA Channel 0"
is in use by another program. This after I've shut down all running
programs. Laptop must be ShutDown to cleanly undock laptop from docking
station.

Scenario 2 - Boot up the laptop while in docking station: The DVD drive is
now no longer defined and can not be accessed. Laptop can still not be
undocked because of same "ATA Channel 0" issue. Shutdown frequently hangs
with this scenario and must be manually powered off.

I'm unsure about what this "ATA Channel 0" device is that seems to be
causing me fits with the docking station?

I would appreciate any help.

Thanks.

Responses to "Unable to Undock Laptop"

Cal Bear '66

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Re: Unable to Undock Laptop

Posted: 09-10-2007, 09:19 PM

You might want to try this:

Locate the file INFCACHE.1 in C:\Windows\inf

Right click on the INFCACHE.1 file, select Properties >Security > Edit, and give
your account full control.

Delete INFCACHE.1, or rename it to INFCACHE.1.BAK or temporarily move to your
desktop.

REBOOT

It has sometimes worked for USB problems, but has also worked for other problems
too.

--
I Bleed Blue and Gold
GO BEARS!

"TCM1024" <TCM1024@discussions.microsoft.com> wrote in message
news:C0F030D5-BEE3-47FD-AB4E-97997D4490FA@microsoft.com...

>I have a Lenovo ThinkPad X61 tablet notebook and Vista Home Premium. I
> believe my problems started when connecting a USB external hard drive to my
> Vista system. Here are the scenarios I'm now observing:
>
> Scenario 1 - Already booted laptop inserted into docking station: The DVD
> drive in the ultrabase docking station is recognized and usable. However,
> I'm unable to undock from the docking station because it says "ATA Channel 0"
> is in use by another program. This after I've shut down all running
> programs. Laptop must be ShutDown to cleanly undock laptop from docking
> station.
>
> Scenario 2 - Boot up the laptop while in docking station: The DVD drive is
> now no longer defined and can not be accessed. Laptop can still not be
> undocked because of same "ATA Channel 0" issue. Shutdown frequently hangs
> with this scenario and must be manually powered off.
>
> I'm unsure about what this "ATA Channel 0" device is that seems to be
> causing me fits with the docking station?
>
> I would appreciate any help.
>
> Thanks.

TCM1024

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Posts: n/a

Re: Unable to Undock Laptop

Posted: 09-11-2007, 04:38 PM

What is the purpose of this INFCACHE.1 file?

Michael Tissington

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Re: Unable to Undock Laptop

Posted: 09-11-2007, 05:25 AM

have you tried asking in http://forum.thinkpads.com/

TCM1024

Guest
Posts: n/a

Re: Unable to Undock Laptop

Posted: 09-11-2007, 04:38 PM

I will try that also. Thanks.

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