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19 Posts

04-29-2019

US

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  • Posts: 19
  • Registered: ‎04-29-2019
  • Location: US
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ThinkCentre M720q HDMI Handshake Issues

2019-08-18, 14:43 PM

Hi everyone, i'm having an intemittent problem between my Tiny M720q and my 2010 Toshiba HDTV via HDMI. Occasionallyif I turn on the Toshiba first then I cold boot the PC I get a message on the Toshiba TV that there's no video signal. If I turn on the Tiny first, wait a few seconds then turn on the Toshiba HDTV, then I have a video signal. (Successful 98% of the time)

 

Sometimes doing the above i.e. turn on M720q, wait a few seconds then turn on the TV will also result in no video. That's rare although it happened twice in a row this morning.

 

I don't think it's a problem with the M720q as once I get past that quirk the display never loses a signal. So my question is, if this is just a HDMI Handshake quirk?

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7 Posts

08-20-2019

AQ

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  • Posts: 7
  • Registered: ‎08-20-2019
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Re: ThinkCentre M720q HDMI Handshake Issues

2019-08-27, 19:27 PM

Is it a HDMI to HDMI connection or maybe you use DP to HDMI converter?

HDMI 1.4 or 2.0?

https://www.trustedreviews.com/opinion/hdmi-2-0-vs-1-4-2913356

//

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