几天前，我买了一台新笔记本电脑，戴尔 Inspiron 15 3000。在我的国家，你买不到开发者版（预装 Ubuntu），所以我选择了 Windows 10 版。我很快就安装了 Ubuntu，它运行得非常好，只是我无法更改亮度或颜色配置文件，也无法打开夜灯。
经过一番搜索，我发现我的显卡（集成）没有被使用，而 CPU 正在渲染图形。然后我尝试将GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"中的行更改/etc/default/grub为。这解决了图形GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.alpha_support=1"的问题，并将其切换为。llvmpipeIntel® Iris(R) Plus Graphics (Ice Lake 8x8 GT2)
之后，我可以调整亮度，但仍然无法更改颜色配置文件或启用夜灯。屏幕顶部还会不规则地闪烁一条细细的白线（无法截屏）。
我唯一的想法是，这可能与我的显卡（第 10 代）的更新程度有关？我几乎没有固件使用经验，因此非常感谢您的帮助。
如果有帮助的话，这里是输出xrandr：
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 193mm
1920x1080 60.01*+ 60.01 59.97 59.96 59.93 47.10
1680x1050 59.95 59.88
1600x1024 60.17
1400x1050 59.98
1600x900 59.99 59.94 59.95 59.82
1280x1024 60.02
1440x900 59.89
1400x900 59.96 59.88
1280x960 60.00
1440x810 60.00 59.97
1368x768 59.88 59.85
1360x768 59.80 59.96
1280x800 59.99 59.97 59.81 59.91
1152x864 60.00
1280x720 60.00 59.99 59.86 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
800x512 60.17
700x525 59.98
800x450 59.95 59.82
640x512 60.02
720x450 59.89
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
680x384 59.80 59.96
640x400 59.88 59.98
576x432 60.06
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
HDMI-1 disconnected (normal left inverted right x axis y axis)
输出如下lsmod：
Module Size Used by
rfcomm 77824 4
ccm 20480 6
arc4 16384 2
bnep 24576 2
snd_hda_codec_hdmi 53248 1
wl 6447104 0
nls_iso8859_1 16384 1
hid_multitouch 28672 0
snd_hda_codec_realtek 114688 1
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
snd_hda_intel 49152 6
snd_hda_codec 135168 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_core 86016 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
dell_laptop 20480 0
snd_hwdep 20480 1 snd_hda_codec
ledtrig_audio 16384 3 snd_hda_codec_generic,snd_hda_codec_realtek,dell_laptop
dell_smm_hwmon 16384 0
snd_pcm 102400 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
x86_pkg_temp_thermal 20480 0
intel_powerclamp 20480 0
snd_seq_midi 20480 0
snd_seq_midi_event 16384 1 snd_seq_midi
coretemp 20480 0
kvm_intel 241664 0
snd_rawmidi 36864 1 snd_seq_midi
dell_wmi 20480 0
dell_smbios 28672 2 dell_wmi,dell_laptop
ath10k_pci 40960 0
intel_cstate 20480 0
intel_rapl_perf 16384 0
serio_raw 20480 0
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
ath10k_core 438272 1 ath10k_pci
dcdbas 20480 1 dell_smbios
ath 32768 1 ath10k_core
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
dell_wmi_descriptor 20480 2 dell_wmi,dell_smbios
snd_timer 36864 2 snd_seq,snd_pcm
mac80211 819200 1 ath10k_core
intel_wmi_thunderbolt 20480 0
wmi_bmof 16384 0
snd 86016 23 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi
idma64 20480 0
virt_dma 20480 1 idma64
cfg80211 679936 4 wl,ath,mac80211,ath10k_core
soundcore 16384 1 snd
btusb 49152 0
btrtl 20480 1 btusb
btbcm 16384 1 btusb
btintel 24576 1 btusb
uvcvideo 94208 0
bluetooth 557056 33 btrtl,btintel,btbcm,bnep,btusb,rfcomm
videobuf2_vmalloc 20480 1 uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_common 45056 2 videobuf2_v4l2,uvcvideo
videodev 204800 3 videobuf2_v4l2,uvcvideo,videobuf2_common
mei_me 40960 0
intel_lpss_pci 20480 0
joydev 28672 0
input_leds 16384 0
ecdh_generic 28672 1 bluetooth
mei 106496 1 mei_me
media 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
intel_lpss 16384 1 intel_lpss_pci
int3403_thermal 16384 0
int340x_thermal_zone 16384 1 int3403_thermal
intel_hid 20480 0
int3400_thermal 20480 0
sparse_keymap 16384 2 intel_hid,dell_wmi
acpi_thermal_rel 16384 1 int3400_thermal
acpi_pad 184320 0
acpi_tad 16384 0
mac_hid 16384 0
sch_fq_codel 20480 3
parport_pc 36864 0
ppdev 24576 0
lp 20480 0
parport 53248 3 parport_pc,lp,ppdev
ip_tables 32768 0
x_tables 40960 1 ip_tables
autofs4 45056 2
algif_skcipher 16384 0
af_alg 28672 1 algif_skcipher
dm_crypt 40960 1
hid_generic 16384 0
usbhid 53248 0
i915 1826816 26
crct10dif_pclmul 16384 1
crc32_pclmul 16384 0
kvmgt 28672 0
ghash_clmulni_intel 16384 0
vfio_mdev 16384 0
mdev 24576 2 kvmgt,vfio_mdev
vfio_iommu_type1 28672 0
vfio 32768 3 kvmgt,vfio_mdev,vfio_iommu_type1
aesni_intel 372736 6
kvm 647168 2 kvmgt,kvm_intel
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
cryptd 24576 4 crypto_simd,ghash_clmulni_intel,aesni_intel
irqbypass 16384 1 kvm
glue_helper 16384 1 aesni_intel
i2c_algo_bit 16384 1 i915
psmouse 151552 0
drm_kms_helper 180224 1 i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
nvme 45056 3
fb_sys_fops 16384 1 drm_kms_helper
drm 483328 18 drm_kms_helper,i915
r8169 86016 0
ahci 40960 0
nvme_core 94208 5 nvme
realtek 20480 0
libahci 32768 1 ahci
wmi 28672 5 intel_wmi_thunderbolt,dell_wmi,wmi_bmof,dell_smbios,dell_wmi_descriptor
i2c_hid 28672 0
hid 126976 4 i2c_hid,usbhid,hid_multitouch,hid_generic
video 49152 3 dell_wmi,dell_laptop,i915
pinctrl_icelake 24576 0
pinctrl_intel 28672 1 pinctrl_icelake
如果您需要更多命令输出，请告诉我。任何帮助都将不胜感激。
答案1
好的。我考虑了一下英特尔的第 10 代系统，并意识到它们是在 2019 年发布的。Ubuntu 18.04 及更早版本不支持它们。Ubuntu 19.10 完美支持它们。如果其他人遇到此问题，请升级到 19.10，它可以解决所有问题。我进行了全新安装，因为我还没有对系统进行任何操作，所以我不确定从 18.04 升级是否可行。感谢所有帮助过我的人！