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In this case the demonstrative pronoun has to be in Nominativnominative and thus be Dieserdieser. Altough
Though, in German the noun Laptop kannLaptop can either be masculine or neutral, so both Dieserdieser and Diesesdieses would be correct.

In this case the demonstrative pronoun has to be in Nominativ and thus be Dieser. Altough in German the noun Laptop kann either be masculine or neutral, so both Dieser and Dieses would be correct.

In this case the demonstrative pronoun has to be in nominative and thus be dieser.
Though, in German the noun Laptop can either be masculine or neutral, so both dieser and dieses would be correct.

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In this case the demonstrative pronoun has to be in Nominativ and thus be Dieser. Altough in German the noun Laptop kann either be masculine or neutral, so both Dieser and Dieses would be correct.