Spilled Water on Your Laptop? Do This Right Now

Force the power off. Everything else — panicking, grabbing paper towels, googling on your phone — can wait ten seconds.

Do this right now

1. Hold the power button down for 10 seconds until the screen goes black. Don't use the Start menu or the Apple menu to shut down — that's a software request, and the laptop stays powered while it waits for the OS to respond. You need power gone immediately.
2. Unplug the charger and every USB device — mouse, dock, external drive, anything with a cable running into it.
3. Flip it upside down right now and stand it up in an inverted V on a towel, keyboard facing down, so any liquid still inside runs out instead of pooling on the motherboard.
4. Don't press any keys, don't shake it hard, and don't turn it back on "just to check" if it still works. All three push liquid further into the case. Checking can wait until it's actually dry.
5. If you know how to remove the bottom panel and you're comfortable doing it, disconnect the battery now. iFixit's guidance is blunt about this: getting the battery disconnected from the board is one of the single best things you can do for survival, because it kills power to everything even if the power button circuit itself got wet. If you're not confident, or the laptop is still under standard warranty and you don't want to touch the seal, skip to drying instead — see the sections below.

What you just prevented

Two different problems, on two different clocks.

The immediate one is a short circuit — water bridging two points on the board that were never meant to touch, while current is still flowing through them. That's the danger in the first seconds, and it's why "force it off" beats every other instruction on this page. No power, no short.

The slower one is corrosion, and it's the one that actually kills laptops. Water carries dissolved minerals and, once your skin or a keyboard has touched it, salts and oils. Left in contact with copper traces and solder joints, that residue oxidizes — sometimes over days, sometimes over weeks. A laptop that boots up fine an hour after a spill can develop a dead trackpad, a randomly-repeating key, or a board that won't post at all a month later, because corrosion had been quietly eating a trace the whole time. "It still works" right after a spill tells you almost nothing about whether it'll still work next month.

Water vs. coffee, soda, and wine

Plain water is the best-case spill, and even then it's not harmless. Coffee, soda, juice, and wine are worse, by a wide margin — not because there's more liquid, but because of what's dissolved in it.

Sugar and acid don't evaporate. Water eventually dries out on its own; sugar and mineral residue stay behind as a sticky film that keeps conducting electricity and keeps corroding metal contacts for as long as it's there — sometimes indefinitely, until someone physically cleans it off. Carbonation in soda makes it worse still, because the bubbles help the liquid wick further into gaps than a still liquid would travel on its own.

Practical upshot: if you spilled coffee, soda, juice, or an alcoholic drink, don't stop at drying it out. Even if the laptop boots and everything looks normal, get it to a repair shop for an ultrasonic board clean, or at minimum open it yourself (see below) and clean every surface the liquid touched with isopropyl alcohol. Drying removes the water. It does nothing about the sugar.

Drying properly

Give it 24 hours minimum before you try powering it back on. 48 hours is better, and if you spilled anything other than plain water, lean toward the longer end.

• Position: upside down, inverted-V, on a towel, in a room-temperature spot with normal airflow. A ceiling fan or open window helps; a heater, radiator, or direct sun does not — heat can warp plastic and, more importantly, doesn't reach the water that's trapped between layers inside the case.
• No hair dryers. iFixit and most repair shops agree on this: the heat can damage components, and worse, the airflow can push moisture deeper into the machine instead of out of it.
• No rice. This one's a genuine myth, not just outdated advice — iFixit is explicit that rice doesn't actually pull moisture out of a sealed laptop chassis the way it might from a phone's headphone jack, and grains have a habit of ending up under keys or inside vents. It also gives you a false sense that "the water's gone" while corrosion is still working on the board underneath.
• Desiccant packets (the silica gel kind) can help a little with humidity in the immediate area if you leave the laptop in a sealed container with several of them, but they're not doing much for water that's already inside a keyboard well or under a component. Treat them as a minor assist, not a substitute for time.
• Don't power it on to "test" it during the drying window. Every early power-on is a chance to complete a short that 24 more hours of drying would have prevented.

If you're comfortable opening it

This step is optional, and the gate matters: skip it if you're not confident working with small screws and connectors, or if the laptop is still under a standard manufacturer warranty and you'd rather not risk opening it. Some machines make this harder than others — MacBooks use pentalobe security screws, and plenty of thin ultrabooks combine screws with stiff plastic clips that are easy to crack without a proper pry tool. If that's your machine, dry it and move to the decision tree below instead.

If you can get the bottom panel off:

1. Photograph everything before you disconnect anything — cable routing is easy to forget and annoying to reverse-engineer later.
2. Disconnect the battery from the motherboard first, before touching anything else. This is the step that actually matters most for survival if you didn't get to it during the initial spill.
3. Look for visible liquid or residue on the board, especially near the keyboard connector, trackpad ribbon, and any exposed contacts. Check the battery itself for bulging, discoloration, or a chemical smell — any of those means the battery gets replaced, not reused; recycle it, don't just plug it back in.
4. Clean visible residue with 99%+ isopropyl alcohol on a lint-free cloth or cotton swab — the high concentration matters, because anything less has enough water in it to reintroduce the problem you're trying to fix. Only do this with the battery disconnected and the board otherwise unpowered.
5. Let everything air-dry fully before reassembling — isopropyl evaporates fast, but give it a few extra minutes per iFixit's guidance before you put the case back together.

If you'd rather not do any of this yourself, this is exactly what a repair shop's liquid-damage service is for — see the decision tree below.

The decision tree

It powers on and works fine after 48 hours. Good sign, not a guarantee. Watch it over the next few weeks for a key that occasionally double-types or doesn't register, a trackpad that's slightly less responsive than it used to be, or a battery that seems to drain faster — these are the early tells of slow corrosion, not just normal wear. If a single key starts acting up, our guide to fixing a stuck key covers the cleaning steps before you write off the whole keyboard. If the battery seems to be degrading faster than it should post-spill, check its health against our battery health guide and our notes on when it's actually time to replace a laptop battery.

It won't turn on, or it powers on and immediately shuts off. Stop trying repeated power-ons — each attempt risks completing a short that hasn't finished corroding yet. Take it to a repair shop. Diagnostics for a liquid-damaged laptop typically run somewhere in the $30–75 range on their own, or get folded into a flat cleaning fee — figure roughly $100–250 for a straightforward clean-and-diagnose with minor damage, climbing into the several hundreds if the motherboard needs component-level repair, and potentially $1,000+ on a premium machine with severe corrosion. Get a quote before you authorize work; on an older or budget laptop, repair cost can easily exceed replacement cost.

Your data matters more than the machine. If the laptop won't boot but you need what's on it, don't keep trying power cycles to "just get one more login." If you're at all comfortable opening the case, pulling the SSD or drive and reading it externally is safer than repeatedly powering on a wet board — our guide on using an external hard drive with a laptop covers the enclosures and connections for exactly this. If the drive itself was exposed to liquid or the laptop won't even recognize it externally, that's a job for a professional data-recovery service, not a DIY attempt — those services exist specifically to pull data off boards and drives that no longer power on cleanly.

Should I take the battery out?

Almost no laptop sold today has the kind of user-removable battery you could pop out with a latch — that went away with most consumer laptops years ago. What you have instead is a sealed internal battery connected to the board with a small connector, accessible only after removing the bottom panel. If you're comfortable opening the case, disconnecting that connector is genuinely the single best thing you can do to protect the board. If you're not, don't force it — a laptop you're afraid to reassemble correctly is a bigger problem than a battery you left connected for 24 extra hours of drying. Our guide on running a laptop without its battery is useful background if you're wondering what disconnecting it actually changes about how the machine behaves.

Frequently asked questions

Is my laptop ruined if I spilled water on it? Not necessarily. Plain water, caught fast, powered off immediately, and given a real 24–48 hours to dry, has a good survival rate. The things that actually ruin laptops are power staying on through the spill, sugary or acidic liquids left uncleaned, or someone powering it back on too soon and completing a short that drying would have prevented.

How long should a laptop dry after a spill? 24 hours minimum, 48 hours if you want a real margin, longer if it wasn't plain water. There's no shortcut that safely compresses this — not a hair dryer, not rice, not a warm room.

Does rice help a wet laptop? No. iFixit is direct about this: rice doesn't meaningfully draw water out of a sealed laptop chassis, grains get into keyboards and vents, and relying on it just delays you noticing that corrosion is still happening underneath.

Will my warranty cover water damage? Standard manufacturer warranties almost never cover it — Apple explicitly excludes liquid damage from its standard one-year warranty, and most other manufacturers write the same exclusion. Accidental-damage plans are the exception: AppleCare+ covers liquid damage subject to a service fee (around $299 for a MacBook, per Apple's current fee schedule), and equivalent plans from Dell, HP, and retailers like Best Buy's Geek Squad typically cover spills too, if you bought that coverage. Check what you actually have before you assume you're stuck paying full price.

Spilled water on my laptop but it still works — am I safe? Not yet. Corrosion from a spill can take days to weeks to show up as a symptom. A laptop that boots fine an hour after the incident can still develop a flaky key or trackpad, or fail outright, a month later if there's residue sitting on the board. Watch it, and if you didn't spill plain water, get it professionally cleaned regardless of how it's behaving now.

Should I take the battery out? If it's a sealed battery behind a bottom panel — which is nearly every laptop made in the last several years — disconnect it if you're comfortable opening the case; it's one of the most effective things you can do. If you're not comfortable, don't force it. Dry the laptop thoroughly instead and let 24–48 hours do the work.

Speed and restraint are the whole game here: move fast in the first thirty seconds, then do nothing for two days. Most of the laptops that don't survive a water spill die from someone getting impatient on day one, not from the water itself.