TITLE
    System 7.5: Accessing Extensions Manager to Troubleshoot Extension Conflicts
Article ID:
Created:
Modified: 		15926
7/29/94
4/25/00
TOPIC

    Is there an easy way to troubleshoot possible extension conflicts on my Macintosh with System 7.5 installed?

DISCUSSION


    The Extensions Manager control panel installed with System 7.5 enables you to isolate and troubleshoot third party extensions from those installed with System 7.5. The Extensions Manager control panel allows you to selective activate and deactivate an extension. This allows you to determine if that extension is causing system problems.

    You also have the ability to deactivate all non-Apple extensions which is helpful in determining if the problem is with the base system software. If you deactivate all non-Apple extensions and the problem persists, it is likely that the core system software is damaged. You should perform a clean install of the system software to ensure you have a known good base system folder to work with.

    There are a number of articles in the Tech Info Library which describe a clean install of system software, use system software and clean install as your search query to find the article most relevant to your version of system software.

    There are two methods to access the Extensions Manager.

    System 7.5 or System 7.5.1

    Select Control Panels from the Apple menu. Open the Extensions Manager control panel and select System 7.5 Only from the Sets button. Upon restarting your Macintosh, only the extensions installed with System 7.5 will load.

    System 7.5.2

    Select Control Panels from the Apple menu. Open the Extensions Manager control panel and select System 7.5.2 from the Sets button. Upon restarting your Macintosh, only the extensions installed with System 7.5.2 will load.

    If the problem persists, it is likely that one of the default 7.5 extensions or control panels is corrupted. At this point, it is best to remove all extensions and control panels from your system folder and reinstall them one at a time to locate the corrupted extension or control panel.

    An alternative method of accessing the Extensions Manager is to hold down the spacebar when booting up your computer. The Extensions Manager will appear on screen. Follow the same procedure as above for troubleshooting.

Document Information
Product Area: Mac OS System Software
Category: System 7.5.x
Sub Category: Troubleshooting

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