You might think that these would be unforgivable sins, but you?d be wrong. In fact, the T420 is perfect for its intended use. This is a work laptop, and that means functionality comes before style. Yes, this laptop is thick and heavy. And no, it?s not pretty. But none of that matters because it?s not part of what the T420 is built for. This is a laptop for people who type for hours every day. It?s a laptop for people who need tons of connectivity. It?s a laptop for people who empathize with George Clooney?s character from Up in the Air because they?ve been there."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips