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Dell Precision 7740
Hello. I bought a new motherboard for my Dell Precision 7740 laptop. When I turned it on, I discovered that I need to enter the service tag. The old motherboard was faulty. And there was no tag on the case. What should I do? Please help. 
DELL-Cares auto response
Community Manager
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Posted June 24th, 2026 02:24
Hello! Thank you for reaching out to us. I am the Dell-Cares contact only for Order or Sales related questions.
For all Technical Support issues, you need to contact the Get Help Now support team. Moving your thread to an applicable hardware board. Click the Get Help Now on right to start a chat.
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