Re: 'Ghosts' in my machine
From: G.Beat (now9spamgb_at_no.comcast.spam.net.invalid)
Date: 09/22/04
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Date: Wed, 22 Sep 2004 23:55:21 GMT
"constantcomputertrouble"
<constantcomputertrouble@discussions.microsoft.com> wrote in message
news:3F2C198C-090F-4475-B831-D377CF456D4E@microsoft.com...
>
> I just installed SP2 for Win XP Home. The install went fine, but now, my
> mouse tends to move around the screen all by itself. Is this an SP2 issue
> I
> can resolve? Or do I have the proverbial 'ghost in the machine'?
> --
> always having problems with my computer
No, you do not have a ghost .. but it can look like that. :-)
Most likely you have a device? connected to your COM port that NTDETECT
mistakenly identified as a serial mouse during your boot operation. The
automatic hardware detection mistakenly believed that serial data it was
seeing on your serial port was a MS Serial Mouse.
This problem has existed since at least Windows NT 4.0 and Microsoft finally
admitted that this is a problem in 2001 (Windows 2000). The same fix works
for Windows XP. In August 2001 they published knowledgebase article Q283063
on this subject, which can be viewed at
http://support.microsoft.com/support/kb/articles/Q283/0/63.ASP
This article has detailed instructions on a complex fix that requires direct
contact with
Microsoft.
The article originally suggested a workaround -- which is what I use and
seems to be very effective.
"To work around this problem, allow the [mouse] device to be detected
incorrectly, use Device Manager to disable the [mouse] device that is not
the port to which the [mouse] device is attached, and then reboot your
computer. When you do this, the port works correctly and the incorrectly
detected [mouse] device is disabled."
To access the device manager open the System icon in the Control Panel,
select the Hardware tab and click on Device Manager. You will find the
incorrectly detected mouse in the mouse group. It is sometimes is shown as a
Microsoft Ball Mouse. Do not delete it as Windows will just detect it and
reinstall it (incorrectly) next time. Instead, disable the incorrectly
detected mouse device. Open the properties dialog for the incorrectly
detected mouse device, select the General tab and, down at the bottom in the
Device usage field, select Do not use this device (disable).
How do you accomplish this if your mouse is bouncing all over the screen?
Disconnect the serial port while you are accessing the Device Manager, of
course!
Then restore the connection to your external serial device (my GPS clock for
me) and you are in business. No more problems!
The only other approach is to edit your boot.ini to disable serial mice:
"/NoSerialMice"
Best of luck !
G. Beat
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