How To Get Your Wireless Keyboard and Mouse Working

• Check all of the cables are plugged in: obvious, but try it.

How To Rescue a Wet Gadget

Getting a water-damaged gadget working again is a hit and miss affair. If you dropped your mobile phone into a bowl of water, fished it out within a couple of seconds and immediately removed the battery, then you have a reasonable chance of success. If you have spilled a glass of wine over your laptop and left it over night

This year's Consumer Electronics Show didn't produce any startling hits or misses - but the contradictory messages about environmental efforts hit a sour note. For the thousands of people who thronged the halls of the Consumer Electronics Show in Las Vegas over the past week, innovation was harder to come by than they might have expected.