When you say cloned, I imagine that you meant that you ghosted it. That
should work fine, and a T20 should recognize a drive that big.
If you did a manual copy of your files to the new drive, then <ooops> that
may not work. Tell us how you prepared your new hard drive. Most of us do
what you've done rather routinely, and there is usually no special magic
dr.news //stores.ebay.com/better-price-wireless (not better than you
deserve, just more than you are used to)
Oh yeah, the new drive is a Seagate.