![]() ![]() There’s an important link between website monitoring and customer experience: your site is one of your most important lines of communication with your customers, so website performance is vital to maintaining a high-quality connection. Website monitoring is the ongoing process of making sure your site is working as expected-and helping you know when it’s not. Not until bios power off, apperantly once an issue occured it was remembered - and not forgot until full power down.Why website monitoring is crucial for great customer experience Once smaller charger plugged in, i got boot time warning - and from that point on Laptop would not recognize bigger charger was in use. I have two usb-c chargers, same voltage, one is much lower wattage than the default lenovo. I found this because my laptop was also ignoring the plugged in power pack and not charging correct at full power. But some other bios option about when laptop should check and discover pluged in monitor info solved at. Had one 4k monitor using the display port flash on/off a few times every hour. All ports on the laptop and through dock are now happy and working again. boot into bios page (press enter at lenovo icon), and set internal battery power off also (look for it).Ok, I found comments on lenovo site to try the following fix, do a full power down reboot - from with the bios, so all is forgot: ![]() Can anyone give me a hint to achieve my goal or to solve the problem? Using the HDMI port on the docking station.Updating the docking station, BIOS and Thunderbold firmware.The USB hub on the docking station works as well - only the display outputs are not working. The HDMI port on the laptop itself (no docking station) works perfectly, but only allows me to use one external monitor. If I attach a newer T14 (running Manjaro as well) to the same docking station and monitors, it works flawlessly.If I attach an older T480 (running Linux Mint) to the same docking station and monitors, it works flawlessly.I face the exact same issues when I boot into Windows 10, so I guess this has to be an hardware or (BIOS) configuration issue. The Linux system seems not to be the problem. The same issues occur when I use the HDMI port on the docking station, so it doesn't matter if it's DisplayPort or not.Connected to the docking station via DisplayPort.OS: Manjaro Linux (up to date, Kernel 5.8.x).Firmware: up to date BIOS v1.69, Thunderbolt fw 1.1.11.18-N2ITF13W.Firmware: up to date updated with v3.3.1 fw updater.Docking station: ThinkPad Ultra Docking Station.It is not possible to describe exactly when the problem occurs. The entire laptop freezes completely when changing the display resolution.The external monitor is not detecting any input and just turns black (this happens most of the time).The external monitor displays some kind of green background noise.The external monitor starts to turn off and on frequently by itself.Both external monitors are detected, but only one can be used/addressed by the system (if at all read further).My goal is to properly use two external monitors on my T490. My external monitors connected to the dock via DisplayPort are not working properly. I have a ThinkPad T490 and an Ultra Docking Station. ![]()
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