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installed wrong os and now I can't install the right one


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#1 leviwe

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Posted 11 April 2016 - 05:07 PM

My acer froze with the screen still on. It was totally unresponsive. I forced shut down and restart and it said to reinstall os. I got the discs and was doing it and realized too late they were the discs for another acer in my house. Now I have a Windows 7 installed with no internet and I can't get the correct discs to install. How can I get rid of Windows 7 and get my os back?

 



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#2 JohnC_21

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Posted 11 April 2016 - 05:22 PM

Is the Acer the exact same model as the one you used the disks from? Do both acers run the same Windows 7 version, Home or Pro?

 

I am assuming the Acer does boot Windows 7.  Right click Computer. Select Properties. At the bottom of the Window under Activation it will say if Windows has been activated. Has it?

 

Do you have any yellow exclamation marks in Device manager next to Network Adapters? 



#3 leviwe

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Posted 11 April 2016 - 08:05 PM

The opportunity arose to send the computer out to have someone work with it so I'm hoping they can fix it, but if I get it back unfixed I'll try what you suggested.

The Acers are not the exact same model but close. The one I want to fix was running Pro; the disks I installed were Home.

The newly installed Home claims to find no network adapters and I do seem to recall there being the exclamation mark.



#4 JohnC_21

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Posted 11 April 2016 - 08:12 PM

I was hoping both were the same OS. Because one was Home and the other Pro what I was attempting will not work. If you cannot get your Pro Disks to install then you will need to delete the partitions currently on the hard drive.

 

Where in the install did your Pro disks fail when attempting to install over Windows 7 Home?

 

Edit: If the Home install did not remove the factory restore partition you can do a factory reset following this guide. 

 

Use the following steps to start the system recovery:

  1. Restart the computer.
  2. When the Acer logo appears on the screen, press the left Alt, and the F10 keys.
  3. If you are prompted with a Microsoft Windows boot screen, press the Enter key.
  4. After the Acer eRecovery Management application has loaded, select your restore type.
  5. Read the notice, and then click Next when you are ready.
  6. Click Next to begin the restore process. The restore can take anywhere from 10 minutes up to an hour.
  7. Once the restore is complete your computer will load Windows and start installing your drivers and software. Your computer may reboot several times during this process. After everything is complete your computer will be like it was when you first purchased it.

 

http://acer.custhelp.com/app/answers/detail/a_id/2631/session/L2F2LzEvdGltZS8xNDYwNDIzNjQyL3NpZC80KkFUY09ObQ%3D%3D


Edited by JohnC_21, 11 April 2016 - 08:15 PM.





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