If the computer is running and gets suddenly turned off by loss of power, what really happens? Is there damage that happens slowly or progressively over time or is it more of a risk that something might happen to the computer suddenly in any event?
In: Technology
If the programs (including system programs!) on your computer are editing files, and writing them back to the disk when the power goes out, you can run into several problems:
1. The file gets lost or “corrupted” (if the program was busy updating information **about** the file; this happens sometimes on the Nintendo Switch!)
2. Part of the file is new, part of the file is old (if the program got interrupted halfway through writing)
3. The file gets marked “opened” and never gets closed.
Most of the time, another program (such as chkdsk on Windows) can come along and fix the issues the next time the computer boots up.
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