Guide · wet laptops & phones
Water on your laptop or phone: the first hour decides what survives
Here's the short version: power it off, and don't charge it. What you do in the first hour matters more than any drying trick you've read about. This guide covers the first-hour checklist, the myths that quietly kill devices, and when to stop and hand it over.
Last updated 4 July 2026 · by Alien IT Solutions
Rule one: power it off, and leave it off
Coffee across the keyboard? Phone in the sink? Whatever just happened, the single biggest rule is the same: cut the power now. Water and electricity together is what does the real damage, so a device left running while wet can short out circuits that would otherwise have survived.
Most machines that die after a spill are not killed by the water landing on them. They are killed by staying powered on, or getting plugged in, in the minutes after, usually by an owner who is trying to help. The kindest thing you can do for a wet device is to make it hold perfectly still.
Why water damage is a slow burn, not a bang
Clean water on its own is not very conductive, and a device that gets wet and dries fast can come through fine. The trouble is what water carries and what it leaves behind. Tap water, coffee, juice and salt water are full of minerals, sugars and salts, and those are what conduct electricity and, later, corrode.
Think of it like sea spray on a car. The splash is not the problem. The problem is the salt that stays behind after the water evaporates, quietly eating the metal for weeks. A wet board dries in a day, but the residue keeps working long after the surface feels dry to the touch.
That is why a device can seem fine the day of a spill and fail a week later. The water is long gone, but the salts it left are still bridging tiny gaps on the board and corroding the tracks. Which is why the first hour is about stopping current from flowing and getting the residue cleaned off before it does its slow work.
The first-hour checklist
Five things, in order. They cost nothing and they protect every option you have left.
Kill the power immediately
Hold the power button until it shuts down. Don't tidy up through the menus, don't wait for it to save. On a laptop, unplug the charger and pull the battery if it lifts out. A device that is off cannot short itself out.
Do not plug it in to charge
This is the big one. A charger pushes current through a wet board and turns a survivable spill into a dead machine. Leave it unplugged until someone has opened it and confirmed the inside is properly dry.
Drain it, don't cook it
Stand a laptop upside down like an open tent so water runs away from the board. Blot what you can reach with a towel. No hair dryer, no oven, no sunny windowsill. Heat drives moisture deeper and warps parts.
Skip the rice
Rice is a myth. It barely pulls moisture out and its dust and starch can clog the ports. The clock is on the salts inside, not the surface damp, and rice does nothing about those while you sit and hope.
Note exactly what happened
What spilled, how much, whether it was water, coffee or salt water, and whether the device was on at the time. Written down. It changes how the clean-up is approached and stops the guesswork that costs devices.
The drying myths that quietly kill devices
Three popular tricks, and why each one does more harm than good. Getting this right is most of the battle.
! The bag of rice
The internet's favourite, and the least useful. Rice draws moisture far too slowly to beat the corrosion already starting inside, and the powder it sheds gets into charging ports and speaker grilles. It also lets you feel like you have done something while the real damage carries on. Time out of the rice bag, opened and cleaned, is what actually helps.
! The hair dryer or heater
Blasting warm air feels productive and makes things worse. It pushes moisture further into the machine, into spots the spill never reached, and the heat can warp plastics, loosen glue and cook fragile parts. Radiators, ovens and hot sun do the same. Gentle room-temperature air is the only heat a wet device should ever see.
! The switch-it-on-to-check
The urge to press the button and see if it still works is completely natural and it is exactly the wrong move. Powering a wet board is how a spill you could have recovered from becomes a spill you cannot. If it turned off, or you turned it off, leave it off. You lose nothing by waiting and you can lose everything by checking.
Phones and laptops play by slightly different rules
Straight answer: the first hour is the same for both, power off and don't charge, but what happens next differs. Modern phones are fairly water resistant when new, yet that seal fades with age and drops, so an older phone offers far less protection than the rating on the box suggests.
A laptop has a battery you can often disconnect, a keyboard that acts like a funnel straight onto the board, and enough space inside to hold liquid in places you cannot see. A phone is sealed tight, which keeps some water out but also traps whatever gets in, and it needs opening with the right tools rather than prising with a knife. In both cases the fix is the same idea: get inside, clean the residue off the board, and dry it properly before power ever touches it again.
Salt water and sugary drinks are the worst of the lot. Salt is highly corrosive and sugar leaves a sticky conductive film, so a phone dropped in the ocean or a laptop wearing a soft drink needs cleaning sooner and more thoroughly than one that met plain tap water.
DIY drying or a professional?
Here's the honest split. Doing it yourself is fine for the first steps: power it off, unplug it, drain it, and leave it be. Those cost nothing and every one of them helps. That part you should absolutely do, and do quickly, before anyone else gets involved.
Hand it over when the device matters or the spill was more than a splash of clean water. If it held the only copy of something important, if the liquid was coffee, juice or salt water, or if it will not turn on after drying, opening it up and cleaning the board properly is a job for someone with the right tools. Prising a phone open with a kitchen knife, or pulling a laptop apart without the sequence, tends to add damage rather than remove it.
The rule we give everyone: the value is not in the drying, it is in the cleaning. Anyone can leave a device to dry. The part that saves a machine is opening it up and lifting the salts and residue off the board before they corrode the tracks, and that is the step a bag of rice can never do. If the device is worth more than the repair, that is when to stop experimenting and get it seen.
What turning up prepared actually looks like
If you do call someone in, here's how to judge them: ask what they actually do to a wet device. A real clean-up is not "leave it in front of a fan". It is opening the machine, taking the board out, and cleaning the corrosion off with the proper solutions and tools, under magnification, so the residue that was quietly eating the tracks is gone rather than hidden. Someone who plans to dry it and hand it straight back has skipped the only part that matters.
The piece nobody expects: the first move is often to rescue the data, not the device. Before we spend hours reviving a badly corroded board, we pull the storage onto healthy hardware so your files are safe no matter what the machine does next. A wet laptop that never boots again is a bad day. A wet laptop that never boots again and took your photos with it is a much worse one, and it is avoidable.
The real lesson: a dead device does not mean dead data
Every water-damage panic is really two separate worries wearing one coat: will the machine live, and will my files survive. Those come apart more often than people expect. The board that ran the laptop can be finished while the storage chip that held your work is perfectly fine, because the power and logic parts usually take the hit first. So even when the worst happens and the device will not come back, the data very often can. And the way to make that guaranteed rather than lucky is the same as it always is: a backup, two copies on different devices, one off-site, tested with a real restore. Then a spilled coffee is an annoyance and a new laptop, not a loss. If today's scare ends well, that is the thing to sort out before the next drink finds the keyboard.
Questions people ask
I spilled water on my laptop. What do I do first?
Power it off straight away, hold the power button until it dies rather than shutting down through the menu, then unplug the charger and pull the battery if it comes out. Turn it upside down like an open tent so water drains away from the board, not into it. Then leave it off and get advice. Every second it runs while wet is a second something can short out.
Should I put my phone in rice?
No. Rice does very little except feed you a false sense of safety while corrosion sets in, and rice dust and starch can get into the ports and make things worse. What actually helps is powering the phone off, not charging it, and getting it opened and dried properly before the salts in the water start eating the board. Time matters more than any household trick.
My laptop still turns on after a spill. Is it fine?
Not necessarily. Working right now and working next week are different things. Water leaves minerals and salts behind as it dries, and those keep corroding the board for days after everything looks dry. The safe move is to power it off, keep it off, and have it opened and cleaned before the slow damage does its work. A laptop that survives the spill can still die a week later from what was left behind.
Can I use a hair dryer to dry it out?
No. A hair dryer pushes warm moist air deeper into the machine and can drive water further into places it had not reached, and the heat can warp plastics and damage components. Do not stand it in the sun or on a heater either. Gentle air drying upside down is fine, but proper drying means opening it up, and that is a job to hand over rather than force with heat.
Why does everyone say do not charge a wet device?
Because water conducts electricity and a charger pushes current through the board. Plugging a wet device in can short circuits that were survivable, turning a recoverable spill into a dead machine. It is the single most common way a wet laptop or phone goes from fixable to finished. Leave it unplugged until someone has opened it up and confirmed it is dry inside.
Is my data safe if the device is dead?
Usually, yes. The storage chip or drive often survives even when the machine will not turn on, because the damage tends to hit the power and logic parts of the board first. A dead laptop or phone is not the same as lost data. In most cases the drive can be read on other hardware and your files pulled off, even if the original device never comes back to life.
Wet device right now?
Power it off, keep it unplugged, then tell us what happened through the contact form. We'll tell you straight whether it's a dry-and-clean job, a data-rescue job, or one to stop touching.