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  2. Screen burn-in - Wikipedia

    en.wikipedia.org/wiki/Screen_burn-in

    Burn-in on a monitor, when severe as in this "please wait" message, is visible even when the monitor is switched off. Screen burn-in, image burn-in, ghost image, or shadow image, is a permanent discoloration of areas on an electronic visual display such as a cathode-ray tube (CRT) in an older computer monitor or television set. It is caused by ...

  3. Intermittent fault - Wikipedia

    en.wikipedia.org/wiki/Intermittent_fault

    The product was analyzed or tested to confirm the failure, but “a failure or fault” could be not found. A common example of the NFF phenomenon occurs when your computer “hangs up”. Clearly, a “failure” has occurred. However, if the computer is rebooted, it often works again. The impact of NFF and intermittent failures can be profound.

  4. 2024 CrowdStrike-related IT outages - Wikipedia

    en.wikipedia.org/wiki/2024_CrowdStrike-related...

    On 19 July at 04:09 UTC, CrowdStrike distributed a faulty configuration update for its Falcon sensor software running on Windows PCs and servers. A modification to a configuration file which was responsible for screening named pipes, Channel File 291, caused an out-of-bounds memory read [14] in the Windows sensor client that resulted in an invalid page fault.

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  6. Power outage - Wikipedia

    en.wikipedia.org/wiki/Power_outage

    Vehicle lights provided the only illumination during the 2009 Ecuador electricity crisis.. A power outage, also called a powercut, a power out, a power failure, a power blackout, a power loss, a blackout or a power drought — is the loss of the electrical power network supply to an end user.

  7. List of LED failure modes - Wikipedia

    en.wikipedia.org/wiki/List_of_LED_failure_modes

    Failed blue LEDs. The most common way for LEDs (and diode lasers) to fail is the gradual lowering of light output and loss of efficiency.Sudden failures, however rare, can occur as well.

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    Solitaire: Spider Black Widow. Play. Masque Publishing. Solitaire: Spider Challenge. Play. ... The $1.25 Dollar Tree find I’m buying every time I go. Food. Southern Living.

  9. Persistence of vision - Wikipedia

    en.wikipedia.org/wiki/Persistence_of_vision

    Impressions of several natural phenomena and the principles of some optical toys have been attributed to persistence of vision. In 1768, Patrick D'Arcy recognised the effect in "the luminous ring that we see by turning a torch quickly, the fire wheels in the fireworks, the flattened spindle shape we see in a vibrating cord, the continuous circle we see in a cogwheel that turns with speed". [8]