'A timeout occurred during GETSNAPSHOT' error

Hello, I'm working fine with a code that suddenly sends me the "A timeout occurred during GETSNAPSHOT" error I don't know why this is happening, here's the code:

clear all
clc 
close all

%Corresponding webcam:
vid=videoinput('winvideo',3);
%set(vid,'FramesPerTrigger',10);
%triggerconfig(vid,'manual');

aviObject=avifile('VideoP_2.avi');
%aviObject=VideoWriter('Video6.avi');

%preview(vid)
for iFrame=1:30 %Frames    
    sprintf('Frame %d',iFrame)
    I=getsnapshot(vid);
    F=im2frame(I);
    aviObject=addframe(aviObject,F);
end
sprintf('Cut')
aviObject=close(aviObject);

Do you know why is this happening or how can I solve this? Thanks a lot!

Answer 1

[Image Analyst]

Apparently the camera is not responding. Can you get a live image?

[Annie]

When I activate the 'preview(vid)' command sometimes it gets slowly and takes time to show the image or sometimes it doesn't show it