Put the whole PS3 in freezer?
No.....You will want to open the PS3 and put the Hardrive only in the freezer. However that may not always correct the problem. It does work for certain failures, and second you do that if you want to get the old data off of it. Once it is cold enough the platters shrink and then the arms which sweep across the platters to read the data can move back and forth. But after awhile the platters will warm up and may become stuck again.
I know it sucks but I think you may want to look at replacing the HD. You can get used ones from Ebay.
If you need some links for all the tools you need let me know. I do PC and Laptop repairs on the side and I could help you out if you want.
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