How many F20-136 backup disks i need for clean OS installation?

Hi,
I wish to clean off my laptop and start again due to a various amount of unwanted programs I've installed.
I've found a Product Recovery disk (one) does anyone know if there is supposed to be any others and if so what they are called?
Hopefully its just the one, I seem to remember another disk of somekind but cannot find it.
Thanks
Mike

If you want to clean off your notebook install OS using delivered recovery DVD. On this way your Qosmio will have factory settings again. Before you do this install Qosmioplayer at first using delivered Qosmioplayer recovery CD.

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I set up my time capsule yesterday, and it worked perfectly initially. However, after I used the same time capsule HDD as network file sharing with my MacBook Pro and two other PCs, than the hourly backup failed and gave the following error message.
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ipmt

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How many F20-136 backup disks i need for clean OS installation?

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