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  2. Defective pixel - Wikipedia

    en.wikipedia.org/wiki/Defective_pixel

    Close-up of an LCD, showing a dead green subpixel as a black rectangle. A defective pixel or a dead pixel is a pixel on a liquid crystal display (LCD) that is not functioning properly. The ISO standard ISO 13406-2 distinguishes between three different types of defective pixels, [1] while hardware companies tend to have further distinguishing ...

  3. Semiconductor device fabrication - Wikipedia

    en.wikipedia.org/wiki/Semiconductor_device...

    A third process, full silicidation (FUSI) [168] was not pursued due to manufacturing problems. [169] Gate-first became dominant at the 22nm/20nm node. [170] [171] HKMG has been extended from planar transistors for use in FinFET and nanosheet transistors. [172] Hafnium silicon oxynitride can also be used instead of Hafnium oxide. [173] [174] [3 ...

  4. Via (electronics) - Wikipedia

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

    (3) Buried via. The gray and green layers are nonconducting, while the thin orange layers and red vias are conductive. A via (Latin, 'path' or 'way') is an electrical connection between two or more metal layers of a printed circuit boards (PCB) or integrated circuit. Essentially a via is a small drilled hole that goes through two or more ...

  5. 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 ...

  6. Black screen of death - Wikipedia

    en.wikipedia.org/wiki/Black_screen_of_death

    Windows 10 and later also displays a black screen due to an unfinished update in addition to the aforementioned causes above; in this case, after the system restarts and the user tries to login to the system, the user is then stuck at a black screen instead. Performing a hard shutdown of the computer and cold-booting it is the only way to ...

  7. Image sensor - Wikipedia

    en.wikipedia.org/wiki/Image_sensor

    A micrograph of the corner of the photosensor array of a webcam digital camera Image sensor (upper left) on the motherboard of a Nikon Coolpix L2 6 MP. The two main types of digital image sensors are the charge-coupled device (CCD) and the active-pixel sensor (CMOS sensor), fabricated in complementary MOS (CMOS) or N-type MOS (NMOS or Live MOS) technologies.

  8. AOL Mail

    mail.aol.com/?rp=webmail-std/en-us/basic

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Screen of death - Wikipedia

    en.wikipedia.org/wiki/Screen_of_death

    Everything on the screen but the back Apple logo turns white. [7] A Yellow Screen of Death occurs when an ASP.NET web app finds a problem and crashes. [8] [self-published source?] A kernel panic is the Unix equivalent of Microsoft's Blue Screen of Death. It is a routine called when the kernel detects irrecoverable errors in runtime correctness ...