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New Contributor I

UHD@60hz on Intel HD 630

Hi, I just recently got a dell 5520 lapop with integrated Intel HD 630 graphic chipset.

No matter what I try, I can't get it to display 4k@60hz!

Here is the relevant informations:

- Windows 10, 64bits, version 1709 (latest build 16299.19)

- Intel core i7-7820, 32 GB ram

- Intel graphic HD 630, driver (2017-04-21)

- Monitor: Asus PB287Q (See: PB287Q | Monitors | ASUS USA )

Since the laptop only has a HDMI 1.4 port, I reverted back to using a USB-C to DisplayPort external adapter USB Type C to DisplayPort adapter (IZEC-A46) ICZI Which support UHD@60hz on DP

When I add UHD@60 resolution to the Intel Graphic Control Panel, It says "bandwidth exceeded"

Any clue?

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3 Replies
Honored Contributor II

Actually the chinglish description of the adapter nowhere says 4K@60Hz

- 4K video resolution requires a 4K capable computer video source, DP cable, and output display.

According to Intel® Core™ i7-7820HQ Processor (8M Cache, up to 3.90 GHz) Product Specifications you need a straight DP connection.

4K support indicates the product's support of 4K resolution, defined here as minimum 3840 x 2160.

  • Max Resolution (HDMI 1.4)‡ 4096x2304@30Hz
  • Max Resolution (DP)‡ 4096x2304@60Hz
  • Max Resolution (eDP - Integrated Flat Panel)‡ 4096x2304@60Hz
New Contributor I

Product description on Amazon as well as some of the comments tells it supports 4k@60. USB C to DP, ICZI USB 3.1 Type-C (Thunderbolt 3 Port Compatible) to Display Port Ultra HD 4K @60Hz Adapter for Lumia 950…

"Resolution up to 4k x 2k (3840 x 2160) @60Hz & @30Hz; Supports Multi-Stream (MST) for daisy chaining multiple monitors and high precision audio such as LCPM, DTS, and Digital Dolby."

"Works exactly as intended and outputs 4k @ 60hz out of my X1 Carbon 5th gen."

"It works 4k 60hz between xps 9560 and Dell S2817Q."

Honored Contributor II

You need to find the bottleneck.

In best case another video, USB-C or TBT 3 driver will help.

In worst case the monitor or the computer (particularly it's BIOS) is the culprit.