909jx0-6j9ajp-9xnk0k-609s03 the hard drive is defective It can continue to operate for a certain time, but it can definitively break down, if it is not already the case! If possible, save personal data Try a full reinstall Be careful even if it works, it may permanently break down, save the data regularly. This may allow you to use the computer while you find a hard drive!
You can try to help yourself with this tutorial (sorry not fully translated)
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