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  2. Black screen of death - Wikipedia

    en.wikipedia.org/wiki/Black_screen_of_death

    MS-DOS and all versions of Windows after Windows 3.1 (Windows 95, Windows 98, Windows Me, Windows 2000, Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 and Windows 11) also display a black screen of death when the operating system is unable to boot properly. There are many factors that can contribute to this problem, including the ...

  3. Power-on self-test - Wikipedia

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

    Typical POST screen (AMI BIOS) Typical UEFI-compliant BIOS POST screen (Phoenix Technologies BIOS) Summary screen after POST and before booting an operating system (AMI BIOS) A power-on self-test ( POST ) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on.

  4. History of laptops - Wikipedia

    en.wikipedia.org/wiki/History_of_laptops

    In 1987, HP released a portable version of their 16-bit Vectra CS computer. [11] It had the classic laptop configuration (keyboard and monitor closes up clam-shell style in order to carry), however, it was very heavy and fairly large. It had a full-size keyboard (with separate numeric keypad) and a large amber LCD screen.

  5. Pointing stick - Wikipedia

    en.wikipedia.org/wiki/Pointing_stick

    A pointing stick on a mid-1990s-era Toshiba laptop. The two buttons below the keyboard act as a computer mouse: the top button is used for left-clicking while the bottom button is used for right-clicking. Optical pointing sticks are also used on some Ultrabook tablet hybrids, such as the Sony Duo 11, ThinkPad Tablet and Samsung Ativ Q.

  6. Page Up and Page Down keys - Wikipedia

    en.wikipedia.org/wiki/Page_Up_and_Page_Down_keys

    The Page Up and Page Down keys (sometimes abbreviated as PgUp and PgDn) are two keys commonly found on computer keyboards. The two keys are primarily used to scroll up or down in documents, but the scrolling distance varies between different applications. In word processors, for instance, they may jump by an emulated physical page or by a ...

  7. Accessing AOL Sites or Apps Using Windows 10

    help.aol.com/articles/accessing-aol-sites-or...

    Pinning an AOL app to your Windows 10 Start menu is a simple task, follow the steps below. Open the Windows Start menu and click All apps. Locate the AOL app in the list. Right-click on the app name. A small menu will appear. Click Pin to Start to add this app to your Start menu.

  8. Keyboard layout - Wikipedia

    en.wikipedia.org/wiki/Keyboard_layout

    A typical 105-key computer keyboard, consisting of sections with different types of keys. A computer keyboard consists of alphanumeric or character keys for typing, modifier keys for altering the functions of other keys, [1] navigation keys for moving the text cursor on the screen, function keys and system command keys—such as Esc and Break—for special actions, and often a numeric keypad ...

  9. Fix problems reading or receiving AOL Mail

    help.aol.com/articles/fix-problems-reading-or...

    If you're having problems reading and retrieving your AOL Mail, the following troubleshooting steps: Use AOL Basic Mail. AOL Basic Mail gives you a way to see your emails in a simpler layout.