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