Radeon driver not working

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For a while now I've been logging into root & doing "modprobe radeon" after
which the screen will blank, then come back at a much higher resolution.
(as an aside, where do I put modules to autoload?) Since the last reboot
nothing happens. SDDM/KDE will not start.

I have checked all the radeon settings in the kernel, & tried booting off a
previous kernel with no change.

If I login to my user account & do "startx" that also fails.

I took the cover off the machine & the GPU fan is spinning. It's dusty but
not too bad.

I've run out of ideas. To me it looks like a HW fault but I don't know how
to check the GPU. It's still visible in lspci & console mode works (with
tiny # lines & width).

(IDK if this will be text or html, the setting is not visible on phone)

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<div dir=3D"auto">For a while now I&#39;ve been logging into root &amp; doi=
ng &quot;modprobe radeon&quot; after which the screen will blank, then come=
 back at a much higher resolution. (as an aside, where do I put modules to =
autoload?) Since the last reboot nothing happens. SDDM/KDE will not start.<=
div dir=3D"auto"><br></div><div dir=3D"auto">I have checked all the radeon =
settings in the kernel, &amp; tried booting off a previous kernel with no c=
hange.=C2=A0</div><div dir=3D"auto"><br></div><div dir=3D"auto">If I login =
to my user account &amp; do &quot;startx&quot; that also fails.</div><div d=
ir=3D"auto"><br></div><div dir=3D"auto">I took the cover off the machine &a=
mp; the GPU fan is spinning. It&#39;s dusty but not too bad.</div><div dir=
=3D"auto"><br></div><div dir=3D"auto">I&#39;ve run out of ideas. To me it l=
ooks like a HW fault but I don&#39;t know how to check the GPU. It&#39;s st=
ill visible in lspci &amp; console mode works (with tiny # lines &amp; widt=
h).=C2=A0</div><div dir=3D"auto"><br></div><div dir=3D"auto">(IDK if this w=
ill be text or html, the setting is not visible on phone)=C2=A0</div></div>

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