Same thing, another laptop, the HDD was dying. You can wait for it but before that, always be ready for a wipe out like that.
Hi,
Installed win 10 with no problems and it has been running successfully for a good while. Recently I have had some booting problems, not all the time but every so often the boot sits there with a black screen showing ACER and nothing happens. If you sit long enough it will boot with no other problems. I tried looking at the boot section and switched it to normal as it was on something else which I cannot remember. Any help would be well received.
Tantalus

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