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05-17-2019

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Lenovo T480s does not project to Dell 2790W

2019-05-17, 6:24 AM

Hello!

 

I have an issue with my work laptop (T480s) not projecting onto an external Dell 2709W monitor. I connect the two with a HDMI cable and the monitor goes to Sleep Mode (it doesn't say "No HDMI signal" or anything like that).

 

Additional infos:

  • I have tested the monitor with my home computer and it works flawlessly (with the same cable as above).
  • The HDMI cable I'm using is brand new.
  • The laptop works well when connected to a [newer] Dell monitor at work.

Any ideas what else I could try?

 

Thanks

Jernej

 

 

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733 Posts

08-02-2018

US

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Re: Lenovo T480s does not project to Dell 2790W

2019-05-17, 12:40 PM

Hi Codium,

 

Welcome to the community forums.

 

Try updating the display driver and BIOS. You may download the updates here: https://support.lenovo.com/us/en/. Update us how it goes.

 

Thanks!



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3 Posts

05-17-2019

SI

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Re: Lenovo T480s does not project to Dell 2790W

2019-05-17, 19:14 PM
Hi, I've checked my drivers over and over again. I uninstalled/reinstalled.... I tried doing that on my monitor as well (also resetting to the factory settings). Nothing helped really.
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601 Posts

08-01-2018

US

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Re: Lenovo T480s does not project to Dell 2790W

2019-05-17, 23:53 PM

Another hand here to help. 

 

Check the resolution from the computer and set it to 1920x1200. Also check the frequency as the Dell2709W is set to work on 59hz - 79hz. Let us know on how it goes.

 

Regards,

 

 



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3 Posts

05-17-2019

SI

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Re: Lenovo T480s does not project to Dell 2790W

2019-05-19, 13:44 PM

Hi guys.

 

Thank you for all of your suggestions. It looks like I have not described this in enough detail. This is how my Display settings pane looks like:

 

 

I cannot set anything for my external monitor because the laptop does not even detect it. :smileysad:

 

Cheers,
Jernej

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