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  2. Restart the computer and close programs on Mac - AOL Help

    help.aol.com/articles/restart-the-computer-and...

    Note: Wait for 20 seconds, and then turn on the computer. 2. On the keyboard, hold down the Command and Option keys, and then tap the esc key. In the Force Quit Applications window, click any program other than Finder to highlight it, and then click Force Quit. 3.

  3. System crash screen - Wikipedia

    en.wikipedia.org/wiki/Screen_of_death

    A Sad Mac is a symbol used by older-generation Apple Macintosh computers, starting with the original Macintosh 128K, to indicate a severe hardware or software problem that prevented startup from occurring successfully.

  4. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    The original IBM PC could be equipped with as little as 16 KB of RAM and typically had between 64 and 640 KB; depending on the amount of equipped memory, the computer's 4.77 MHz 8088 required between 5 seconds and 1.5 minutes to complete the POST and there was no way to skip it.

  5. List of Classic Mac OS software - Wikipedia

    en.wikipedia.org/.../List_of_Classic_Mac_OS_software

    Note that most old programs can still be run using emulators, such as SheepShaver, vMac, or Basilisk II. For a list of current programs, see List of Mac software . Third-party databases include VersionTracker , MacUpdate and iUseThis .

  6. Crash (computing) - Wikipedia

    en.wikipedia.org/wiki/Crash_(computing)

    In computing, a crash, or system crash, occurs when a computer program such as a software application or an operating system stops functioning properly and exits. On some operating systems or individual applications, a crash reporting service will report the crash and any details relating to it (or give the user the option to do so), usually to ...

  7. List of built-in macOS apps - Wikipedia

    en.wikipedia.org/wiki/List_of_built-in_macOS_apps

    Remote Install Mac OS X was a remote installer for use with MacBook Air laptops over the network. It could run on a Mac or a Windows PC with an optical drive. A client MacBook Air (lacking an optical drive) could then wirelessly connect to the other Mac or PC to perform system software installs. Remote Install Mac OS X was released as part of ...

  8. Blue screen of death - Wikipedia

    en.wikipedia.org/wiki/Blue_screen_of_death

    Blue screen errors have existed since the first beta release of Windows 1.0; if Windows found a newer DOS version than it expected, the boot screen would have the text "Incorrect DOS version" alongside other messages detailing what check failed to pass appended into it before starting normally. [4]

  9. Machine-check exception - Wikipedia

    en.wikipedia.org/wiki/Machine-check_exception

    The installation can print those data using the Environmental Record Editing and Printing Program (EREP) service aid or the stand-alone version SEREP. The MCH can handle memory failures in refreshable nucleus control sections by reading a fresh copy from SYS1.ASRLIB and can handle memory errors in SVC transient areas by reading a fresh copy of ...