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  2. Power-on self-test - Wikipedia

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

    The original IBM PC could be equipped with as little as 16 KB of RAM and typically had between 64 and 640 KB; depending on the amount of equipped memory, the computer's 4.77 MHz 8088 required between 5 seconds and 1.5 minutes to complete the POST and there was no way to skip it.

  3. Machine-check exception - Wikipedia

    en.wikipedia.org/wiki/Machine-check_exception

    In some cases, the CPU will shut itself off once passing a thermal limit to avoid permanent damage. But they can also be caused by bus errors introduced by other failing components, like memory or I/O devices. Possible causes include: Poor CPU cooling due to a CPU heatsink and case fans (or filters) that's clogged with dust or has come loose.

  4. 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.

  5. Blue screen of death - Wikipedia

    en.wikipedia.org/wiki/Blue_screen_of_death

    Blue screen errors have existed since the first beta release of Windows 1.0; if Windows found a newer DOS version than it expected, the boot screen would have the text "Incorrect DOS version" alongside other messages detailing what check failed to pass appended into it before starting normally. [4]

  6. System Mechanic Software | 30-Day Free* Trial | AOL Products

    www.aol.com/products/utilities/system-mechanic

    Once downloaded, it helps speed up slow computers by removing unnecessary software and files and fixes problems to help keep your PC stable and issue free, saving you time, money and the ...

  7. Device Manager - Wikipedia

    en.wikipedia.org/wiki/Device_Manager

    Windows successfully loaded the device driver for this hardware but cannot find the hardware device. 42: Windows cannot run the driver for this device because there is a duplicate device already running in the system. 43: Windows has stopped this device because it has reported problems. 44: An application or service has shut down this hardware ...

  8. Find and remove unusual activity on your AOL account

    help.aol.com/articles/find-and-remove-unusual...

    • Recent activity - Devices or browsers that recently signed in. • Apps connected to your account - Apps you've given permission to access your info. • Recent account changes - Shows the last 3 password changes. Click show all to see all changes. IP addresses in Recent activity

  9. List of video connectors - Wikipedia

    en.wikipedia.org/wiki/List_of_video_connectors

    It is primarily used to connect a video source to a display device such as a computer monitor. It can also carry audio, USB, and other forms of data. DisplayPort is backward compatible with other interfaces such as HDMI and DVI through the use of active or passive adapters. Male Mini DisplayPort plug Mini DisplayPort