# Tensorbook produces loud grinding noise from the fan (back of the laptop)
*Feb 11, 2021*

Hi! Please send a message in to [support@lambdalabs.com](mailto:support@lambdalabs.com) and we’ll get to fixing this issue for you. Thanks!

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# Problem installing lambda stack: Failed to fetch python3-tensorflow-cuda
*Jan 28, 2021*

Hello, just try to rerun the command, that happens sometimes. Just rerun the command make sure your device has a stable internet connection.

**TLDR:** Rerun install command.