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After updating to 18.10 from 18.04, Ubuntu boots into a black screen without showing a login page. The Ubuntu splash screen displayed for several seconds and then everything went black. Ctrl+Alt+F5 didn't do anything. When booting with nomodeset UI animations don't work properly and CPU rendering makes the system slower.

Log of the failed boot: https://hardbin.com/ipfs/QmPGBULpPkL3HunGFGMtM1AxXAdveC48MfoBm6R2VU3rY9/#JAjPCLZCYMAJ9jxUFGcwkDXnwHBHhBdH9preyWRE8Xhm https://ipfs.io/ipfs/QmR61awkJCmieGesxGops4MfzmSvLx32rnRNE9E2L4UFpm

Log of the successful boot: https://hardbin.com/ipfs/QmcPB1GjfNhu9pGcZCMqw9g11k8yXQytWpxpA2Np9fC88e/#3o71n7F67qp6RqRJxmCgSBRBLdKJJMX5N4yxLC17rPQF https://ipfs.io/ipfs/QmZ1z3RZkEX2FDzkiAbG9yVn73XpkkCzyULUxU84MTE3eh

Output of lspci -xxxx -nn -vvv: https://hardbin.com/ipfs/Qmbf3PcmzYX4kugBiHT7bmChKh7a7iokxxnajfzjtr1MWN/#BQ53oAiyVPtinFviLnuiBMUuHZZo113zzrfojsqWF2xs https://ipfs.io/ipfs/QmbgV82CxukKLx235t9BeQEsypd2QPd4WjQqJpTaog5YDx

Booting with modprobe.blacklist=amdgpu,radeon: https://hardbin.com/ipfs/QmX8jPcA1wLaFyLwqKbiKEU3BNvRap3aKkdBQYA1wYwujz/#HJL5Rk1dkfv5iFPCB687mrbUhGEwct2whiB8usc6bzgk https://ipfs.io/ipfs/QmQjRU35H8XGu9uBerpaj6H7ai4pKtknfF1vzpT9oToJVR

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  • The links are not working. Better to use paste.ubuntu.com and use the link option.
    – Vijay
    Commented Feb 18, 2019 at 17:05

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This graphics card Intel UHD Graphics 620, is on the official supported list. I would just boot with the nomodeset option if it works.

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