Hi everyone,
I bought a Sony Vaio laptop almost 4 years ago with a genuine windows 7 on, and I immediately made 3 recovery DVDs (I'm not sure if they are called recovery or backup DVDs). I have used the original windows up until now, but after 4 years I feel the system is pretty slow because it has been affected by viruses. Now I wonder if I should use the recovery DVDs or any other way of...
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