black screen says "not found operating system"

If one day my laptop just has frozen and then off, so I turned it back on again and it came with a black screen, says "OS not found"

Since then, I've gathered that I need to reinstall windows on my laptop which is an acer, I have a device I plug into my laptop that I can put the discs in, and I have a disk for windows, but how do I actually install windows on my laptop?

Former title: help me!

Hello

Here are the instructions Acer for recovery to factory settings, new condition.

Select Windows 8/8.1 there.

"Using Acer eRecovery application to restore your system or to create a recovery media.

http://Acer.custhelp.com/app/answers/detail/A_ID/29934/~/use-Acer-eRecovery-application-to-restore-your-system-or-create-recovery-media

___________________________________________________

Or download the ISO of Windows 8.1 and do your own installation media.

'Create the installation media for Windows 8.1 '.

http://Windows.Microsoft.com/en-us/Windows-8/create-reset-refresh-media

See you soon.

Tags: Windows

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