早上好，我最近买了一台新笔记本电脑，具体来说是“HP probook 440 G9 Notebook”型号，配备“第 12 代 Intel i5 1235U”处理器和“UHD Graphics”显卡。我安装了 Ubuntu 22.04，这是我之前在之前的笔记本电脑上使用的版本，我发现我的显卡无法正常工作，有时屏幕会闪烁，它会变黑几秒钟，而且我的第二台显示器无法检测到我，我同意将 HDMI 连接到它，我尝试了多台显示器。我更新了所有可用的驱动程序和内核，但它仍然不起作用。
ubuntu@ubuntu:~$ lspci -knn | grep -iEA5 'vga|3d|display'
00:02.0 VGA compatible controller [0300]: Intel Corporation Alder Lake-UP3 GT2 [UHD Graphics] [8086:4628] (rev 0c)
DeviceName: Onboard IGD
Subsystem: Hewlett-Packard Company Alder Lake-UP3 GT2 [UHD Graphics] [103c:8a9e]
Kernel driver in use: i915
Kernel modules: i915
00:04.0 Signal processing controller [1180]: Intel Corporation Alder Lake Innovation Platform Framework Processor Participant [8086:461d] (rev 04)
--
00:06.2 PCI bridge [0604]: Intel Corporation 12th Gen Core Processor PCI Express x4 Controller #2 [8086:463d] (rev 04)
Subsystem: Hewlett-Packard Company 12th Gen Core Processor PCI Express x4 Controller [103c:8a9e]
Kernel driver in use: pcieport
00:08.0 System peripheral [0880]: Intel Corporation 12th Gen Core Processor Gaussian & Neural Accelerator [8086:464f] (rev 04)
Subsystem: Hewlett-Packard Company 12th Gen Core Processor Gaussian & Neural Accelerator [103c:8a9e]
00:0d.0 USB controller [0c03]: Intel Corporation Alder Lake-P Thunderbolt 4 USB Controller [8086:461e] (rev 04)
ubuntu@ubuntu:~$ glxinfo | grep OpenGL
OpenGL vendor string: Intel
OpenGL renderer string: Mesa Intel(R) Graphics (ADL GT2)
OpenGL core profile version string: 4.6 (Core Profile) Mesa 23.2.1-1ubuntu3
OpenGL core profile shading language version string: 4.60
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 4.6 (Compatibility Profile) Mesa 23.2.1-1ubuntu3
OpenGL shading language version string: 4.60
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 23.2.1-1ubuntu3
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
OpenGL ES profile extensions:
ubuntu@ubuntu:~$
一切顺利。