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Lock-up on Preview - max screen

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    Lock-up on Preview - max screen

    I have been working on an app using ver A5v4.5, (using a new Toshiba laptop with Windows ME and 64 MB mem, (and have discovered that if I preview a report it works fine... but if I maximize the screen of the previewed report the whole computer locks up and requires a hard reboot. Anyone else encounter this problem?

    Thanks

    Dave

    D.N. Theoharides
    Principal
    Mattanawcook JHS
    David Theoharides
    Assistant Superintendent of Schools
    Sanford School Department
    917 Main Street - Suite 200
    Sanford, ME 04073
    [email protected]

    #2
    RE: Lock-up on Preview - max screen

    David,

    Search the board on this one. There was a recent thread on a similar (or identical) issue. I believe the solution concerned the video driver or screen resolution settings rather than ME. For whatever it's worth, I and others are using ME without issue although not (in my case) on a laptop.

    Bill
    Bill Hanigsberg

    Comment


      #3
      RE: Lock-up on Preview - max screen

      here
      There can be only one.

      Comment


        #4
        RE: Lock-up on Preview - max screen

        David,
        I have seen this exact problem using A5V4 on one computer. The app involved works fine on other computers. The problem seems to be related to the video chip and driver. The computer is an IBM using an onboard S3 video chip. There were a number of posts a long time ago about S3 chip based video and strange display problems. Don't know if changing the video card or adding video memory would eliminate the problem as the user has learned to not preview maximized. I haven't tried V4.5 yet so I can't comment if the new version should work differently

        Incidentally, in another thread you mentioned problems with records duplicating during scrolling. I have seen this too and it also seems related to a video problem. This helped in one case. Changing the browse height slightly eliminated the problem in another app.

        Jerry

        Comment


          #5
          RE: Lock-up on Preview - max screen

          Hi Dave,

          I have the exact same problem.
          I have a Toshoba 2775XDVD with Windows 98 SE.
          I had this problem with A5V3.
          I upgraded to A5V4.5 hoping to correct this problem.
          Alpha 5 is the only program that I'm having trouble with.

          Ron
          Alpha 5 Version 11
          AA Build 2999, Build 4269, Current Build
          DBF's and MySql
          Desktop, Web on the Desktop and WEB

          Ron Anusiewicz

          Comment


            #6
            RE: Lock-up on Preview - max screen

            I had the same problem with my new Toshiba laptop. The suggestion (thanks again, guys) that provided a "fix" was to change my screen resolution to 800 x 600 before I started A5. Actually, everything seemed OK at higher resolution except print preview. No problems noted so far at the lower resolution. I guess S3 chip is the culprit.

            Sherrill

            Comment


              #7
              RE: Lock-up on Preview - max screen

              If you preview the report with a small window, then turn off color (the pallette
              icon on the toolbar), then maximize does a5 still crash?

              The way A5 does print-preview is to create a bitmap, render to the bitmap,
              then dump the contents to the screen -- we had more problems like this
              back in the 16bit days (we used the same technique then as well) - many
              video drivers had problems with bitmaps that were greater than 64k --
              however I have seen very few problems like this in the 32bit world.

              To test if bitmap size was the issue, we generally would open MSPAINT, then
              create a color bitmap that was really big (i.e. 800 x 1024 - or even
              bigger) - and see if the problem occured in MSPAINT as well.

              How many colors are you set to display (i.e. if the screen is set to use
              24bit color, does switching to 256colors fix the problem).

              Comment


                #8
                RE: Lock-up on Preview - max screen

                1024 x 768 16 bit color locks up my toshiba satellite pro 4300, 820 meg ram, 700 mhz processor. I'll experiment with some other combinations and report later.
                There can be only one.

                Comment


                  #9
                  RE: Lock-up on Preview - max screen

                  Wish I could type.

                  320 meg ram, Windows 98.

                  1024x 768 256 color no crash
                  1280x1024 256 color -- crash

                  800x 600 32bit color no crash

                  1024x768 32bit color no crash
                  1280x1024 32bit color -- crash

                  go figure.
                  There can be only one.

                  Comment

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