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Steve House
2 Bronze

XPS 15 9550 Connecting Monitor With Displayport Input Directly to Thunderbolt Port?

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On the XPS 15 9550, can an external monitor with Displayport inputs be connect directly into the laptop's USB-C Thunderbolt output using a straight miniDisplayport-to-Displayport cable?  Similarly, can a miniDisplayPort to VGA adapter cable be plugged directly into the USB-C Thunderbolt port to drive older monitors/projectors? Or is the TB15 Dock mandatory in order to get the computer talking to  external video devices through its Thunderbolt port output?

Additional info ... monitor is a Dell U2713H.  Can it be connected to the XPS 15 via a USB-C/Thunderbolt 3 to Display Port cable without the need for a dock or other adapter?

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soshite
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RE: XPS 15 9550 Connecting Monitor With Displayport Input Directly to Thunderbolt Port?

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It's supposed to but it is not going to work. The XPS 9550 is defective out of the factory. The USB-C/Thunderbolt 3 port does not work. You can try to get a return but I would recommend you get a refund for your hard earned money and go with HP or ASUS. Their ports are having zero issues.

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soshite
1 Nickel

RE: XPS 15 9550 Connecting Monitor With Displayport Input Directly to Thunderbolt Port?

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It's supposed to but it is not going to work. The XPS 9550 is defective out of the factory. The USB-C/Thunderbolt 3 port does not work. You can try to get a return but I would recommend you get a refund for your hard earned money and go with HP or ASUS. Their ports are having zero issues.

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