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Potential Problems

Most problems with Doors CS are caused by Inequalz and similar applications that interfere with Doors CS 7.2. It is recommended that you avoid using Inequalz application whenever possible as a primary troubleshooting mechanism. If you must use Inequalz, or another application that conflicts with Doors CS, read below.

How To Identify If Doors CS May Be Causing Your Problems

If your calculator won't let you edit code. For example:
  • You break a program and select Goto and the menu freezes on your screen.
  • You go to the [PRGM] menu, select EDIT, then select your program and the screen freezes there.
    • You can fix this temporarily by pressing [CLEAR] to clear your screen.

How To Identify A Problem Application

You can identify some problem apps by running that application while Doors CS is enabled and looking for a "CONFLICTING APPS" message. This can be solved by quitting that particular application. However, lack of such a message by no means proves that a particular app is not the culprit.

This screen may also provide a list of which apps cause problems. When using the Inequalz application it states that Omnicalc is what is interfering. While Doors CS is not stated there, when Omnicalc is interfered and still "half working" it interferes with Doors CS 7.2 and causes both to work improperly.

Solution 1: Restart

  1. Run Inequalz or another conflicting application.
  2. Run the application again and disable it.
  3. Turn calculator off then back on.
  4. Restart Doors CS 7.2.

Solution 2: RAM Clear

  1. Run Inequalz or another conflicting application.
  2. Run the application again and disable it.
  3. Archive all the programs you want to keep.
  4. Remove your calculator's batteries for 30 seconds.
  5. Reinsert batteries and turn the calculator back on.
  6. Restart Doors CS 7.2.

NOTE: A RAM clear will also reset everything, including plots, variables, lists, matrixes, and the graph screen. Never attempt a RAM clear if aren't ready to lose the data stored on your calculator.

Further Troubleshooting Assistance

If this does not fix your problem, please make a post at and explain the problem, exactly what causes it if possible and someone will look for a solution.