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Re: Problem with Screen Environment

  • To: mathgroup at smc.vnet.net
  • Subject: [mg104494] Re: Problem with Screen Environment
  • From: Peter <insomnia.berlin at gmail.com>
  • Date: Sun, 1 Nov 2009 17:56:26 -0500 (EST)
  • References: <hcjjb8$jru$1@smc.vnet.net>

On 1 Nov., 10:11, Helen Read <h... at together.net> wrote:
> I have a user in my department who has had a bizarre problem with
> Mathematica over the last few weeks (running 7.0.1 on Windows XP). He
> will have Mathematica open and all is well, then leave to go to class or
> whatever. Sometimes when he returns, Input cells are missing from the
> Format->Style menu (other cell types are there). Pre-existing Input
> cells in existing notebooks are not recognized as such (despite
> appearing to be an Input cell if you open with Shift-Ctrl-E) and nothing
> evaluates. It does not seem possible to insert new input cells in either
> existing notebooks or a new notebook. We also discovered that the Screen
> Environment is set to Slideshow when this problem happens, and all of
> the other options (Working, etc.) are missing from the Format->Screen
> Environment menu.
>
> We have tried replacing the init.m files, etc., which did not help any.
> Uninstalling and reinstalling Mathematica fixes the problem, but only
> temporarily. We have uninstalled and resinstalled several times, but the
> problem continues to recur. Today we uninstalled (again), and then
> deleted all of the Mathematica folders (from the user's profile, the All
> Users profile, and from Program Files), rebooted for good measure, then
> reinstalled Mathematica, and *still* the problem returned.
>
> We don't know of anything that would be peculiar to this particular user
> that would be causing this.
>
> We have contacted Wolfram Tech Support (and await a reply), but
> meanwhile, has anyone else seen this or have any idea what might be
> causing it?
>
> --
> Helen Read
> Department of Mathematics & Statistics
> University of Vermont

Just two guesses:
1.) is there any "unusual" screensaver active?
2.) eventually try other energy options.

If these do not help: are there any background processes running,
which do not belong to the OS?

Peter


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