# Jetsonnano -JetPack4.5.1 when upgrade , it can't boot, pause in logo NIVIDIA screen

**URL:** <https://forums.developer.nvidia.com/t/jetsonnano-jetpack4-5-1-when-upgrade-it-cant-boot-pause-in-logo-nividia-screen/184253>\
**Category:** Jetson Nano\
**Tags:** boot\
**Created:** [July 21, 2021, 3:13am UTC](https://forums.developer.nvidia.com/t/jetsonnano-jetpack4-5-1-when-upgrade-it-cant-boot-pause-in-logo-nividia-screen/184253 "2021-07-21T03:13:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![thanhsonvo159](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@thanhsonvo159](https://forums.developer.nvidia.com/u/thanhsonvo159)\
**Post date:** [July 21, 2021, 3:13am UTC](https://forums.developer.nvidia.com/t/jetsonnano-jetpack4-5-1-when-upgrade-it-cant-boot-pause-in-logo-nividia-screen/184253/1 "2021-07-21T03:13:30Z")

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Hi guys, i have a problem with my jetson nano. I have install and boot first time my jetson, in this time i update my system

“sudo apt update & sudo apt upgrade”  
"sudo apt autoremove "  
When i restart, my jetson nano can’t boot, it stop in the NIVIDIA screen logo . I have boot with console uart but it not working. It stop boot with "bootconsole [uart8250] enabled ".

So how can i handle this problem. Thanks All !

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**Author:** ![JerryChang](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/jerrychang/32/14043_2.png) [@JerryChang](https://forums.developer.nvidia.com/u/JerryChang)\
**Post date:** [July 21, 2021, 3:44am UTC](https://forums.developer.nvidia.com/t/jetsonnano-jetpack4-5-1-when-upgrade-it-cant-boot-pause-in-logo-nividia-screen/184253/3 "2021-07-21T03:44:31Z")

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**There is no update from you for a period, assuming this is not an issue any more.  
Hence we are closing this topic. If need further support, please open a new one.  
Thanks**

hello thanhsonvo159,

please setup serial console and gather the bootloader messages for reference,  
thanks

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**Author:** ![system](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/system/32/68080_2.png) [@system](https://forums.developer.nvidia.com/u/system)\
**Post date:** [September 27, 2021, 1:06pm UTC](https://forums.developer.nvidia.com/t/jetsonnano-jetpack4-5-1-when-upgrade-it-cant-boot-pause-in-logo-nividia-screen/184253/5 "2021-09-27T13:06:51Z")

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