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publié le 1er octobre 2018 Beauté › Troc entre nous

If your laptop is getting hot, make sure the exhaust fans are not being blocked (if you’re using it in bed or on a cushion, the laptop could be sinking into the material and not able to cool itself effectively).There are several settings in here, take a quick glance around to make sure that nothing looks out of place. The particular one to look out for is the setting that causes your laptop to shut down if your battery percentage drops to a certain low threshold.There should usually be three, one for the battery itself, one for the charger and a third called ‘Microsoft ACPI Compliant Control Method Battery’. Right click on all of these entries head into properties, then into the driver tab and find the ‘Update Driver’ button (This may also be found by just right clicking the entry and hitting ‘Update driver software’).If you’ve reached this stage and you still have no joy, it’s probably time to throw in the towel and let the experts take it from here. Call your manufacturer and see what repairs you can get under your warranty, or take it to a local computer repair shop.

This week federal regulators talked about the startling risks posed to airliners by lithium ion batteries in the cargo holds of airliners. At a public safety forum, regulators said that, contrary to previous assumptions, a laptop battery could catch fire and cause an airliner to crash.One single battery couldn’t do it alone. Researchers with the FAA found the perfect storm scenario: A battery fire that burns hot enough to compromise other flammable materials like cosmetics or flammable gasses in aerosol cans. The flames could spread, overwhelming the fire suppression systems in airplane cargo holds.“That could then cause an issue that would compromise the aircraft,” said Duane Pfund, international program coordinator at the U.S. Pipeline and Hazardous Materials Safety Administration, at the public forum.

This is not new information. In November, 2017 the FAA released the results of its investigation into the risk of personal electronics fires. In a detailed report, the researchers found that chain reactions inside a cargo compartment could cause an out-of-control conflagration.Still, batteries are being loaded into the cargo holds of passenger planes, and no regulations have yet to fully addressed the problem. It's a lack of action that seems to be drawing public statements from the researchers who know it's a potentially deadly problem that's going ignored—at least until the next incident. And there will be one: The FAA reports more than a dozen lithium ion fires every year since 2013, with 31 reported in 2016 and 46 in 2018.

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Sure, the FAA has banned packing e-cigarettes or spare batteries in passenger’s checked luggage. These are the most risky batteries in terms of ignitions, but they are not the only concerns. And while airlines have advised passengers not to pack batteries in checked luggage, that falls far short of a ban and is unenforceable.The United Nations has tried to get involved, with a typically tepid result. The International Civil Aviation Organization banned the shipment of batteries as cargo on passenger planes. (Under the seats of nearly every airliner, whether you know it or not, are pallets of cargo that earn more money for the airlines than passenger tickets.) They also called for a ban on electronic devices larger than a mobile phone in checked bags, but this attempt failed.

The major airline unions, meanwhile, have looked at the problem and basically punted. The Air Line Pilots Association, the largest pilots union in North America, complains about battery risk but hasn’t taken a formal position on a ban.What little action is taking place is manifesting in an education campaign aimed at passengers, which is questionably useful. Can a flier do anything to stop a battery fire? Yes, technically. The FAA says that laptops should be off, during a flight, since there is standby or sleep mode can overheat the battery. Passengers can also package their laptop to prevent damage that can increase the risk of a fire and keep the laptop from other flammable material.But the trouble is expecting passengers to abide by these guidelines. Consider that the TSA seized 3,957 firearms were discovered in carry-on bags at checkpoints firearms from carry on luggage, and 34 percent of these had a round chambered. It may be too much to expect someone packing spare batteries to keep them away from a bottle of hairspray, especially when lives may be at stake.

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Why not consider an FAA ban and put safety first? The aviation world got a taste of what would happen in 2017 when the Department of Homeland Security tried to ban laptops on flights after fears that terrorists were designing bombs in their likeness. Laptops are such a common part of the travel experience, especially for the monetarily vital business travelers, that a ban would send them running to airlines without one. This would happen just as Middle Eastern carriers expand into more domestic U.S. markets.It’s not just the airlines, which are powerful enough on their own, who resist sweeping bans. A lapse in U.S. travel would mean big losses in tourism dollars, and that causes ripple effects in Congress and the White House. Airlines are a major economic driver, and that must be maintained.

But a downed airliner imposes costs, too. It will only take one fatal incident on a passenger plane to cause this issue to resurface in an unavoidable way. Until then, everyone will look the other way, even as the researchers who proved the risk exists bring it up in public. And the fires continue to happen—on August 1, a Ryanair flight from Spain to New York evacuated after a carry on laptop ignited.Aviation’s stellar safety record depends on learning and adapting to newly discovered threats. When these lessons are ignored, terrible things can happen. And they are more terrible when they are avoidable.A single personal electronic device that overheats and catches fire in checked luggage on an airliner can overpower the aircraft’s fire-suppression system, potentially creating a fire that could rage uncontrolled, according to new government research.

Regulators had thought that single lithium-battery fires would be knocked down by the flame-retardant gas required in passenger airliner cargo holds. But tests conducted by the U.S. Federal Aviation Administration found the suppression systems can’t extinguish a battery fire that combines with other highly flammable material, such as the gas in an aerosol can or cosmetics commonly carried by travelers. “That could then cause an issue that would compromise the aircraft,” said Duane Pfund, international program coordinator at the U.S. Pipeline and Hazardous Materials Safety Administration, speaking Wednesday at an aviation safety forum in Washington, D.C. The administration regulates hazardous materials on airliners along with the FAA.The research highlights the growing risks of lithium batteries, which are increasingly used to power everything from mobile phones to gaming devices. Bulk shipments of rechargeable lithium batteries have been banned on passenger planes.

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