Connecting laptop to 4k screen 60hz

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2000hz

PCHF Member
PCHF Member
Aug 3, 2021
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Hi guys,

I have this laptop :


Asus Zenbook UX305LA
Screen13.3 inch, 1920 x 1080 px resolution, IPS, matte, non-touch
ProcessorIntel Broadwell U Core i5-5200U
GraphicsIntegrated Intel 5500 HD
Memory8 GB LPDDR3
Storage128 GB M.2 SATA3 SSD (Micron M600)
ConnectivityWireless AC (Intel 7265 Dual Band), Bluetooth, LAN (with adapter)
Ports3xUSB 3.0, micro-HDMI, SD card reader, headphone jack
Battery56 Wh
Operating systemWindows 8.1
Size324 x 226 x 14.9 mm (12.7” x 8.9” x 0.58”)
Weight1.3 (2.85 lbs)
Extrasnon-backlit keyboard, available in two colors: Aurora Metallic or Obsidian Stone

And this screen:

BenQ EL2870U

  • High resolution 4K monitor: 28-inch LCD TN 3840x2160 resolution
  • Eye Care comfort for extended sessions: Proprietary brightness Intelligence Adaptive technology adjusts brightness for comfortable viewing; low Blue light and zero flicker technology prevent headaches and eye strain. This eye Tech makes images easy On your eyes
  • Smooth game play: AMD Free Sync for smooth game play, eliminating tearing and broken frames; HDR technology offers greater brightness and contrast level for vivid images; 1 mms GTG; 60Hz; 10-bit displays 1. 07 billion colors
  • Get connected: HDMI, DisplayPort input for multi-device connection. VESA wall mount
  • Hear the action: built-in speakers x 2, Headphone jack
  • Integrated cable management system: neatly hides cables inside monitor stand; VESA wall mount
  • Connectivity Technology: Hdmi 2
  • 3 Year Manufacturer Warranty
--

When I try to run at recommended resolution (4k) I can only do 30hz (windows doesn't allow more) and the lag is really felt. When I go down to 1440p I can do 60hz.

Is there any workaround or do I just have to wait for my next PC for watching 4k?

Thanks!!
 
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