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  2. Computer maintenance - Wikipedia

    en.wikipedia.org/wiki/Computer_maintenance

    Computer maintenance is the practice of keeping computers in a good state of repair. A computer containing accumulated dust and debris may not run properly. A computer containing accumulated dust and debris may not run properly.

  3. Troubleshooting - Wikipedia

    en.wikipedia.org/wiki/Troubleshooting

    Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system. It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms.

  4. Screen of death - Wikipedia

    en.wikipedia.org/wiki/Screen_of_death

    The Screen of Death in Windows 10, which includes a sad emoticon and a QR code for quick troubleshooting A Linux kernel panic, forced by an attempt to kill init The Mac OS X kernel panic alert. This screen was introduced in Mac OS X 10.2, while the kernel panic itself was around since the Mac OS X Public Beta.

  5. Live-line working - Wikipedia

    en.wikipedia.org/wiki/Live-line_working

    A lineman wearing equipment for hot glove work. In electrical engineering, live-line working, also known as hotline maintenance, is the maintenance of electrical equipment, often operating at high voltage, while the equipment is energised.

  6. Helicopter height–velocity diagram - Wikipedia

    en.wikipedia.org/wiki/Helicopter_height...

    As operation outside the safe area of the chart can be fatal in the event of a power or transmission failure it is sometimes referred to as the dead man's curve." [ 1 ] The EASA refers to it as the "height/velocity avoid curve ".

  7. 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 ...

  8. Dead Hot Workshop - Wikipedia

    en.wikipedia.org/wiki/Dead_Hot_Workshop

    Dead Hot Workshop is an American rock band based in Tempe, Arizona. The band was a popular fixture of the Tempe music scene in the 1990s , when Tempe was being dubbed as "The Next Seattle " by music reps, and as a region that would produce many new, talented bands that would be ripe for national discovery. [ 1 ]

  9. Heat death of the universe - Wikipedia

    en.wikipedia.org/wiki/Heat_death_of_the_universe

    The heat death of the universe (also known as the Big Chill or Big Freeze) [1] [2] is a hypothesis on the ultimate fate of the universe, which suggests the universe will evolve to a state of no thermodynamic free energy, and will therefore be unable to sustain processes that increase entropy.