Re: Keyboard freezing, new problem, several PCs
- From: "Carey Frisch [MVP]" <cnfrisch@xxxxxxxxxxxxxxx>
- Date: Mon, 27 Mar 2006 10:12:40 -0600
Try reinstalling the latest drivers for your particular
video adapter. Corrupt video adapter drivers can
cause unexpected freezing. I don't believe your
issue is related to Windows Updates.
--
Carey Frisch
Microsoft MVP
Windows - Shell/User
Microsoft Community Newsgroups
news://msnews.microsoft.com/
-------------------------------------------------------------------------------------------
"Cecil Ward" wrote:
| I have a number of PCs running WinXp Pro, on several LANs, different models.
| Recently a number of these machines have started to exhibit "keyboard
| freezing", sporadically (once per week), despite having been reliable for a
| couple of years. All these machines are strongly secured, and users do not
| have administrative access, so user tampering or installation of software is
| not possible. The machines are virus-clean. I am wondering if a possible
| hotfix delivered by windows update might be the cause, as it would explain
| the fact that the problem began at around the same time at different
| unconnected sites.
|
| I personally saw the problem while working hands-on at one particular
| machine. While typing in some everyday application, I noticed that all apps
| seemed not to be reacting to keystrokes. The machine was not hung, was not
| thrashing (taskmgr showed no thrashing processes), was not showing egg-timer,
| and mouse pointer moved around as usual. Apps reacted to mouse clicks, and
| using the mouse, I fired up device manager, and did an uninstall/reinstall on
| the keyboard device (a normal PS2 keyboard), which cured the problem
| immediately. So it was as if the keyboard suddenly wasn't there or was out of
| communication with the device driver, although I ought to point out that
| device manager did not show the keyboard as having disappeared from the
| hardware tree. My first thought was that the keyboard cable had physically
| fallen out, but that wasn't the case.
|
| My next step will be to review the Windows Update history and possibly try
| rolling a machine back a month or so using System Restore, on an experimental
| basis. But given the low frequency of these mysterious events it will be hard
| to get an immediate picture of whether things have changed.
|
| Any suggestions?
| --
| Cecil Ward
.
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