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I have a Dell Inspiron 5567 notebook computer which comes with AMD Radeon™ R7 M445 discrete graphics along with Intel® HD Graphics 620 (Standard). It runs elementary OS Juno.

Before I installed elementary OS Juno, I had a previous version of elementary OS (it was Loki as per my memory).

On the previous elementary OS version, my R7 graphics option was visible in my "System Settings -> About" page.

After installing Juno the R7 was not visible in the "About" page.

When I search for the graphic driver in AMD's support page (https://www.amd.com/en/support/graphics/amd-radeon-r7-series/amd-radeon-r7-400-series/amd-radeon-r7-m445), as of today (6th of May 2020) there are no drivers for Ubuntu available.

My questions are:

  1. How did I have the drivers working for my previous installation?
  2. Is there anyway for me to get AMD graphics working on my new installation? (Obviously without bricking my laptop)

Additional information:

When I run lspci -v | grep -B8 -v "Kernel modules: [a-z0-9]+" on the terminal I get the following graphics related lines.

00:02.0 VGA compatible controller: Intel Corporation HD Graphics 620 (rev 02) (prog-if 00 [VGA controller])
    Subsystem: Dell HD Graphics 620
    Flags: bus master, fast devsel, latency 0, IRQ 128
    Memory at d1000000 (64-bit, non-prefetchable) [size=16M]
    Memory at b0000000 (64-bit, prefetchable) [size=256M]
    I/O ports at f000 [size=64]
    [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
    Capabilities: [40] Vendor Specific Information: Len=0c <?>
    Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
    Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit-
    Capabilities: [d0] Power Management version 2
    Capabilities: [100] Process Address Space ID (PASID)
    Capabilities: [200] Address Translation Service (ATS)
    Capabilities: [300] Page Request Interface (PRI)
    Kernel driver in use: i915
    Kernel modules: i915

01:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Topaz XT [Radeon R7 M260/M265 / M340/M360 / M440/M445] (rev c3)
    Subsystem: Dell Radeon R7 M445
    Flags: bus master, fast devsel, latency 0, IRQ 129
    Memory at c0000000 (64-bit, prefetchable) [size=256M]
    Memory at d0000000 (64-bit, prefetchable) [size=2M]
    I/O ports at e000 [size=256]
    Memory at d0200000 (32-bit, non-prefetchable) [size=256K]
    Expansion ROM at d0240000 [disabled] [size=128K]
    Capabilities: [48] Vendor Specific Information: Len=08 <?>
    Capabilities: [50] Power Management version 3
    Capabilities: [58] Express Legacy Endpoint, MSI 00
    Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
    Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
    Capabilities: [150] Advanced Error Reporting
    Capabilities: [270] #19
    Capabilities: [2b0] Address Translation Service (ATS)
    Capabilities: [2c0] Page Request Interface (PRI)
    Capabilities: [2d0] Process Address Space ID (PASID)
    Kernel driver in use: amdgpu
    Kernel modules: amdgpu


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