You spilled something on your MacBook, dried it quickly, and it still works. Relieved? Hold on. With water damage to a MacBook, problems often only show up days or weeks later: the laptop shuts off, stops charging or keys start to falter. That is caused by corrosion. This article explains why that happens, which signs you see and why getting it cleaned quickly makes the difference.
Blue Apple repairs MacBooks with water damage in Amsterdam. The sooner a MacBook comes to us after an accident, the better the chance it recovers without a big repair.
What happens inside?
Liquid that runs into your MacBook often stays caught between small components on the logic board. While the laptop is on or the battery is connected, there is voltage there. That causes corrosion: a kind of rust that slowly eats away at the small connections. Tap water, coffee, tea and soft drinks contain minerals, sugars or acids that speed up the process. Even when the liquid has dried, those residues stay behind.
Signs that can show up later
- The MacBook shuts off at random or no longer starts.
- It no longer charges or the battery is not recognised.
- Keys or the trackpad do not respond, or respond twice.
- The screen shows lines or flickers.
- Sound, camera or Wi-Fi stop working.
- The laptop gets warm while doing nothing heavy.
What to do right after the spill
Turn the MacBook off immediately, unplug the charger and all cables, and do not switch it on to "test". Turn it over in a tent shape (screen open, upside down) so liquid can run out. More in liquid spilled on a MacBook: what to do right away.
Why rice or a hairdryer does not help
Rice does not draw moisture from under components and leaves dust and grains behind. A hairdryer pushes liquid deeper inside and can make components too hot. Drying also does not remove the sugar and mineral residues; that is where the real problem lies.
Why quick cleaning pays off
The less time corrosion has, the less damage. If the logic board is opened and cleaned within a few days, often only cleaning is needed. Wait weeks, and connections may be so affected that components need replacing. So even if your MacBook still works, having it checked is wise.
Your data
On MacBooks with an Apple chip the storage is on the logic board. If that is badly damaged, your data is hard to recover. So as long as the MacBook still works, make a backup straight away. Also read MacBook data recovery.
The battery can be affected too
Liquid that reaches the battery can damage its connector or protection electronics. If the battery suddenly drains much faster or the MacBook gets warm while charging, stop charging it unattended.
Insurance
If you have insurance that covers damage to electronics, you often need a report of what was damaged. Keep the receipt and take photos too.
What we do at Blue Apple in Amsterdam
We open the MacBook, look for moisture and corrosion under magnification, and clean the logic board and connectors. Then we test whether everything works and you hear whether parts need replacing, and what that costs, before we continue. More on our pages about MacBook water damage repair and MacBook repair in Amsterdam.
Frequently asked questions
My MacBook still works after the spill. Should I still do something?
Yes. Corrosion can strike later. Have it checked and make a backup right away.
How long after the spill can problems appear?
From a few hours to several weeks, sometimes even longer.
Is water worse than coffee?
No, the other way round: sugar, milk and acids in coffee, tea or soft drinks leave more residue than clean water.
