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Can't get Ubuntu to work properly on my desktop

us flag

So, I've been trying for quite some time to get Ubuntu running on my Dell XPS8900, but it's been hard. I have ubuntu installed already in a partition on my HD alongside with Windows. At first, NVidia drivers were the problem, but they were successfully installed. Now, I can't even boot to Ubuntu. My display goes black and floods the following message: "PCIe Bus Error: severity=corrected". I already tried adding the boot parameters pcie_aspm=off, pci=noaer and pci=nomsi, but I had no success. The first one doesn't appear to do anything, while the latter get me to a screen with a single blinking "_". I tried installing ubuntu on a second SSD after disconnecting all other devices from my motherboard, but then I had no success in running the installer (got the exact same error). Can someone help me? What can I do to get it working?

error message

EDIT: I got it to work by disabling intel SpeedStep on the bios and adding the pcie_aspm=off parameter.

ChanganAuto avatar
us flag
Before anything else update UEFI. Then disable Secure Boot (UEFI) and Fast Startup (Windows). Other UEFI settings may need to be changed.
guiverc avatar
cn flag
It may help if you mention what release of Ubuntu you're using; it gives us a clue as to the software stack you're trying to use.
Alan avatar
us flag
Hi! I'm using 20.04 LTS. I got it to work by disabling Intel SpeedStep on the BIOS and adding the pcie_aspm=off parameter to the boot. Thank you very much! I'll add it to my question so that it helps people with the same issue.
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