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Frequently Asked Questions

  • Unplug the LMP USB-C mini Dock from your MBP
  • Unplug the HDMI cable from the mini Dock
  • Wait for at least 20 to 25 seconds (so there is no more power left in the mini Dock to support the previous HDMI settings in the flash memory and other devices)
  • Plug in the mini Dock to your MBP
  • Plug in the HDMI cable to the mini Dock (you must follow the sequence – mini Dock first, HDMI cable thereafter)

Basically, the LMP Combo Hub supports a maximum resolution of 4K@30 Hz. Depending on the monitor, it can display lower resolutions as well (all possible resolutions per monitor may be displayed in the monitor preferences by pressing „alt/option“ + „scaled“).

However, only native resolutions of the particular external monitor in use may be fully supported with a refresh rate tab/setting. It means that you can set the refresh rate for a native 2560x1440 monitor at 60 Hz (provided that the monitor is capable of doing 60 Hz) while you may not be able to display 2560x1440 on a native 4K monitor (neither the resolution nor the refresh rate for it). For a typical 4K monitor, you can set the highest resolution at 3840x2160 (4K UHD) and with 30/25/24 Hz and for 2K/1920x1080 (FHD 1080p) at 60/50 Hz (provided that the monitor is capable of doing 60 Hz).

So whenever the native resolution of a monitor is displayed, you can typically choose the refresh rate while with all other resolutions, you may not be able to do so but must go with the default refresh rate.

Yes. You can attach the MB571 to all USB-C adapters and docks that have a female Mini-DisplayPort port (i.e. 16134/16138, LMP USB-C to Mini-DisplayPort adapter, 17278/17113, LMP USB-C Compact Dock 4K 8 Port, 17116, LMP USB-C Display Dock 4K 10 Port).

You must not use a further AV adapter on the HDMI port. „Adapter on adapter“ does not work in most instances. The HDMI signal has already been converted from USB to HDMI so no further conversion by a simple AV adapter is possible. You should get a single port USB-C to DVI adapter instead.

  • Choose the monitor preferences from system preferences.
  • Picture
  • Press „alt/option“ + „scaled“. You may have to press this combination twice before you see the list with all supported resolutions. Picture
    Note: You may get to choose from native display resolutions only! The mini Dock will not display all possible resolutions but native ones and other supported resolutions.

  • In order to change the refresh rate, you must click on „Show low resolution modes“
  • Picture
  • You can choose the ideal refresh rate from the pull-down menu. Picture Note: Only supported resolutions and refresh rates are being shown! Check your monitor for details and make sure that your HDMI cable supports the resolution and refresh rate too.

  • The maximum resolution that the mini Dock is able to display is 3840x2160 @ 30 Hz.

Windows 10 will display an 8-digit passcode twice. After that, you will see a window where you are asked to enter a passcode that comes from the Bluetooth device. However, you need to go on like this:

  • Open the Bluetooth preferences on your PC
  • Press the pairing button on the backside of the Keypad with a pen. The LED in front start to flash, indicating that the Keypad is searching for a host
  • Your PC should see the Keypad and you may press the pairing button on the screen
  • Select a 4-digit passcode on your laptop (i.e. 1234) and press „Continue“
  • Type the same 4-digit passcode on your Keypad and press the „enter“ key on the Keypad
  • Make sure that this process is not taking too long as the Keypad is in pairing mode for about a minute only. If the LED stops flashing and you haven’t been able to enter the 4-digit passcode, you must start over again.
  • The Keypad should now pair with your PC.

Different signal processing methods are being used with DisplayPort and DVI. Thunderbolt 3 transmits a dual DisplayPort signal (DP++/Dual Mode) which is needed to convert a DisplayPort signal to DVI. The LMP USB-C to DisplayPort adapters don’t have DP++ ability which is the normal standard with such adapters. If the output needs to be DVI, we recommend the use of a LMP USB-C to DVI adapter which supports the highest resolution von 1080p@60 Hz in combination with a DVI cable.