Do you really need to buy a new laptop? When to upgrade – and when to hold off

Don't splash out just yet! Your existing laptop may have plenty left to give

From smash-proof cases to updates: how to make your smartphone last longer

So you want a new laptop. Of course you do. Everybody always does, except for perhaps during that short honeymoon period after you've just bought one. But the glamour wears off, technology marches on, and before you know it, a newer, younger, more powerful model is wandering into your thoughts.

I'm not here to judge, but as a technology specialist I can share a few thoughts that might help you fight the urge to upgrade.