bluetooth for dell latitude e5400 drivers

You need to disable early microcode loading. Hybrid GPU mode does not work (BIOS says unsupported on Linux) - system boots, but the virtual console where X is launched freezes - logs show all displays disconnectedĮssentially the same device as the Dell XPS 15 (9550) DFP-2 shows as disconnected.īacklight control with Fn-keys does not change brightness, use xrandr. Kernel≥5.12.9 or nvidia≥465.24.02-5 causes no display to be seen after X launches. Suspend works without hard drive password. Occasional GPU freezes with 'GPU has fallen off the bus' errors since kernel 4.14.15-1 and NVIDIA 387.34 *Needs BIOS update (with fwupd) to avoid occasional black screen when resumingįix freezes with nvme_fault_ps_max_latency_us=0 High suspend usage with power share port activeīuggy UEFI : impossible to pass kernel parameters via efibootmgr, nor shell bcfg, nor the built-in gui. *If Optimus is enabled, output is VGA only, otherwise HDMI works when NVIDIA GPU is disabled in BIOS. Touchpad shaky, use pcsc-tools for smartcards and enable NFC/RFID if needed. For advanced touchpad functionality see Touchpad SynapticsĮFISTUB bootmanager does not work for me, GRUB works. *Suspension on closing the lid not working right Poor thermal design (i7 i7-9850H CPU 2.60GHz)įingerprint Sensor not functioning, no drivers seem to exist ** Kernel panic on suspend solved with acpi_enforce_resources=lax i915.enable_dc=0īIOS may report incorrect RAM size, OK on UEFI. Random Screen flicker with i915 *ERROR* CPU pipe A FIFO underrun in kernel logs.

*Does not wake up after closing the screen lid.įingerprint reader works with proprietary driver.įinger print reader: It works if it is used only in one operating system If the kernel panics during bootup replace the 'keyboard'-hook with the specific module. Rare issues with the monitor sometimes losing the video connection when switching users or logging out (on resolution changes). 65W of power, USB hub and Video delivered over USB-C work well. USB-C DisplayPort alt-mode tested with a Dell P2721Q monitor. ACPI battery is not detected on bootup and requires you to plug in and out the AC adapter. Volume up / down button needs some modifying to work all other buttons work with drivers that come with the kernel. Fn+Up/Down (LCD brightness control) is OS independent.įan control/monitoring is completely broken with i8kutils AUR

Bluetooth for dell latitude e5400 drivers