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  2. Power-on self-test - Wikipedia

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

    On the screen, if working, will be the Sad Mac icon, along with two hexadecimal strings, which can be used to identify the problem. Some Macs made around this time do not use a death chime like Macs made prior to 1987, but retained the same format as those that used the death chimes, such as the presence of the Sad Mac icon and two hexadecimal ...

  3. ThinkLight - Wikipedia

    en.wikipedia.org/wiki/ThinkLight

    ThinkLight was a keyboard light present on many older ThinkPad families of notebook computers. The series was originally designed by IBM , and then developed and produced by Lenovo since 2005. The ThinkLight has been replaced by a backlight keyboard on later generations of ThinkPads, and Lenovo has discontinued the ThinkLight in 2013.

  4. Scroll Lock - Wikipedia

    en.wikipedia.org/wiki/Scroll_Lock

    The scroll-lock key with an activated indicator light on an IBM Model M keyboard. Scroll Lock (⤓ or ⇳) is a lock key (typically with an associated status light) on most IBM-compatible computer keyboards. Depending on the operating system, it may be used for different purposes, and applications may assign functions to the key or change their ...

  5. Intel Active Management Technology - Wikipedia

    en.wikipedia.org/wiki/Intel_Active_Management...

    A part of the Intel AMT web management interface, accessible even when the computer is sleeping. Intel Active Management Technology (AMT) is hardware and firmware for remote out-of-band management of select business computers, [1] [2] running on the Intel Management Engine, a microprocessor subsystem not exposed to the user, intended for monitoring, maintenance, updating, and repairing systems ...

  6. Caret navigation - Wikipedia

    en.wikipedia.org/wiki/Caret_navigation

    In this text navigation mode the ‘cursor’, often depicted as a blinking vertical line, appears within the text on-screen. The user can then navigate throughout the text by using the arrow navigation keys to cause the cursor to move; typically changing the cursor's location in increments of character position horizontally and of text line vertically.

  7. Windows 10 Mobile - Wikipedia

    en.wikipedia.org/wiki/Windows_10_Mobile

    Windows 10 Mobile aimed to provide greater consistency with its counterpart for PCs, including more extensive synchronization of content, Universal Windows Platform apps, as well as the capability, on supported hardware, to connect devices to an external display and use a desktop interface with mouse and keyboard input support (reminiscent of ...

  8. Brick (electronics) - Wikipedia

    en.wikipedia.org/wiki/Brick_(electronics)

    A bricked device may not power on at all, or it may power on, but never boot to the OS or firmware, the closest getting to a warning screen. Some kernel bugs [ ambiguous ] have been known that affect the /data partition in the eMMC chip, which becomes corrupted during certain operations such as wiping and flashing.

  9. Projection keyboard - Wikipedia

    en.wikipedia.org/wiki/Projection_keyboard

    A projection keyboard is a form of computer input device whereby the image of a virtual keyboard is projected onto a surface: when a user touches the surface covered by an image of a key, the device records the corresponding keystroke. Some connect to Bluetooth devices, including many of the latest smartphone, tablet, and mini-PC devices with ...