Laser light stopped working
Why did my laser light stop worked after 2 days of light use? Don't work even after charging batteries
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Sadly that can happen with the cheaper units.
Most pointer lasers are semiconductor Lazing Diodes that can fail from a good bang. Otherwise the batteries and battery chambers contacts could have failed. Other than replacing the batteries there isn't anything you can fix.
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De laserlicht werkt niet na plaatsing nieuwe batterijen
The laser light does not work after installation of new batteries
