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September 28th, 2018 22:00

3050 MFF, DP port issue

There is a Dell 3050 TinyPC computer and a Dell U2715H monitor. When the DP cable is connected, when the power button is pressed, it blinks orange. When HDMI is connected (with DP disconnected), the system boots. If you rearrange the cable in windows 7, DP works fine. It does not work in Bios, can not boot further. DP 1.2 disabled.

If reboot without any cable, without DP, system boots, after connecting DP display shows. After reboot ok. After poweroff - black screen, monitor in energy-saving mode, white button light, no hdd activity. Swapping in this state to HDMI - same, no cablem energysaving. Poweroff with button > Plug DP - blinking orange. Poweroff with button > Plug HDMI starts OK, swapping to DP in windows > OK > SoftReboot > DP OK. SoftPoweroff > no signal (white light, no hdd activity). HardPoweroff > unplug > poweron, wait sec > plug > DP OK. Seems problem in UEFI, pls dont answer about Intel video drivers. Enabling DP 1.2 leads to blinking monitor, after reboot same problem. Changing video settings in BIOS setup video from Auto to Intel HD graphics does nothing. System log in BIOS events shows nothing.

2 Posts

September 28th, 2018 23:00

Goto warehouse and find original dell cable, seems problem in cable. With new one starts fine

DPdell.png

Because all the original cables are used in production, but for deployment in IT department we use longer cable for configuring.

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December 31st, 2022 08:00

I know this thread is a little old but can you share the SKU/item number of the OEM Dell DisplayPort cable? Bought a bunch of refurbished 3050/70 micros and none of them came with DisplayPort cables and I don’t want to have to deal with the issues with non Dell cables. 
Thank you kindly

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