There are a number of signs that point to your floor being water damaged including bending or cracking.
Water flood on laminate flooring.
If a small amount of water has leaked toward the edges of the flooring pull up any quarter round shoe molding or baseboards around the perimeter.
Water damage to laminate flooring is a common occurrence seen by laminate flooring inspectors.
Set up a couple 20 box fans also turn up the heat.
Water under laminate flooring when the water reaches under laminate flooring the water must be removed immediately.
Tiles can also be pushed apart by water damage.
Go over every tile individually when you check.
When laminate flooring is saturated with water especially for a period of time damage will occur.
The water is trapped between the slab the laminate get someone you after it with a shop vac.
If the water is not pervasive you may be able to extract it with a wet dry vacuum.
As long as you wipe up any spilled water promptly the floor should be no worse for the wear.
If you spill some water on laminate flooring but promptly wipe it up the floor will suffer no damage.
Unfortunately the situation changes if and when flooding occurs.
Laminate flooring is technically resistant to water damage.
After you get readily vac d water prop the vac floor style nozzle in the lowest spot leave it running and it will draw the water to it.
The cause of this damage is often such things as a flood slow leak from plumbing improper maintenance and spills.
Just about any way you can get water onto many laminate floors seems to result water damage to many of these laminate floors.