Acer PQSERVICE Partiton not booting.

I found a guide on the internet explaining that by installing a linux distro i can restore my Acer Aspire (windows 7 home premium) back to default. I did it before about 4 months ago this same way and it worked fine. But now it says that the BOOT/BCD is invalid.
The only option i saw left was to download the official home premium x64 iso off the internet but my question is can I use my oem product key sticker to activate it?

I'm downloading it right now just in case it becomes a viable option...

Have you tried pressing <Alt+F10> at boot up, to goto the Acer eRecovery Management.
Acer Support: Frequently Asked Questions list for How to use Acer eRecovery

   Information

We always assume you have made your Recovery Disks using the OEM manufacturer's Recovery Media Creator app the first day you had your new PC.
& made the Startup Repair CD.
startup repair disc-create

Did you make the OEM manufacturer's Recovery Disks?



You can Order Acer recovery disks from here:
https://secure.tx.acer.com/RCDB/Main.aspx?brand=acer

To get a perfect clean reinstall with the Product Key on COA sticker, follow these steps to Clean Reinstall - Factory OEM Windows 7

I resolved the main problem and I got Windows 7 activated just now with your guys help. Now I am trying to get all of the drivers installed which is taking some time, but if I run into any driver problems since I am doing this manually can i use this thread to ask questions or should I go into a forum more about drivers and ask there?
Reason I ask is because I am struggling locating a driver I think... I am going to see if Windows update finds the driver first.

What drivers are missing after installing and running several rounds of optional Windows updates?

The Win7 installer has most drivers, then Updates delivers newer. Only import those missing afterwards in Device Manager.

This is stated clearly in Clean Reinstall - Factory OEM Windows 7

I restarted twice and the driver got installed... Yey too a Windows 7 install without all the additional software. Now Im off to figure out how to make that backup and then im going to install everything all my programs.
Thank you guys,.

Follow the steps in order to get a perfect clean reinstall.

Make the backup after programs are installed so everything is included.