em 04-07-2014 10:37 AM
em 04-09-2014 05:36 PM
This usually happens when the BIOS "forgets" (like a dead motherboard/BIOS battery) the drive configuration OR when the actual hard drive becomes corrupted or defective.
Check your BIOS and ensure the proper boot device is selected and enabled.
Restart your system and keep tapping F2 as soon as it starts to get in the BIOS. There you can check if the correct boot device is selected.
If everything is fine in the BIOS, or if there's no hard disk showing up in the BIOS, it means it's either a corrupt hard drive or the connections might be loose, so you might have to open it up to take a look.
NOTE: If it's still in warranty, you may have to contact Acer support, as opening the system may void the warranty.
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