Why did TSA take my laptop?

The main reason you have to remove your laptop from your bag is because its battery and other mechanical components are too dense for X-rays to penetrate effectively — especially if the scanning system is old. The same goes for power cords and other devices such as tablets and cameras.



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For items left in other areas of the airport, please check the airport's website for contact information. Items left behind at TSA security checkpoints are held by TSA for a minimum of 30 days or until the item is reunited with the original owner.

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Laptops with batteries below 160 watt-hours are allowed in hand and checked luggage, but batteries over 100 watt-hours require airline approval. Batteries over 160 watt-hours are banned. Spare batteries below 160 watt-hours are allowed only in hand luggage. Read Next: Can You Bring External Monitors on Planes?

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TSA Guidelines for Checkpoint Friendly Bags
  • Your laptop bag has a designated laptop-only section that you can lay flat on the X-ray belt.
  • There are no metal snaps, zippers, or buckles inside, underneath, or on top of the laptop-only section.
  • There are no pockets on the inside or outside of the laptop-only section.


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It's called the 3-1-1 rule because your liquids must be no more than 3.4 ounces (that's the 3), they have to fit into 1-quart bags (there's the 1) and you're only allowed one (that's the final 1) of the bags.

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Lost and found items retained by TSA for a minimum of thirty (30) days, and if not claimed, are either destroyed, turned over to a state agency for surplus property, or sold by TSA as excess property. The state may dispose of the items through sales, destruction, donations or charities.

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The Federal Aviation Administration (FAA) issued a ban on some Apple 15-inch MacBook Pro laptops being transported on an aircraft as carry-on or checked baggage due to a potential fire risk in some batteries. To check if your battery is included please visit 15-inch MacBook Pro Battery Recall Program - Apple Support.

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Airport scanners have come a long way The machine your bags and devices pass through is an X-ray machine. The main reason you have to remove your laptop from your bag is because its battery and other mechanical components are too dense for X-rays to penetrate effectively – especially if the scanning system is old.

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Remove personal electronic devices larger than a cell phone from your carry-on bag and place them into a bin with nothing placed on or under them for X-ray screening. (E.g. laptops, tablets, e-readers and handheld game consoles.) Remember to check the bins and collect all belongings after going through screening.

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If you have experienced a loss or damage to your property and you feel that this loss or damage occurred as a direct result of negligence by a TSA employee, you may file a claim with TSA.

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As for the why, they're usually checking for traces of explosives. These could include: NG (nitroglycerin) ANFO (ammonium nitrate/fuel oil)

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