Question Are display port to hdmi cables bidirectional?

Mahesh Abnave

Honorable
Apr 21, 2013
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I have a Dell monitor E2016H and Lenovo ThinkPad T480s.
Monitor has VGA and Display port input.
Laptop has HDMI out. (It also has thunderbolt and USB3 which I use for charging)

I want to know how can I connect this monitor as second screen to my laptop.
When I searched Amazon India for HDMI to Display Port cable, what I got is tons of Display port to HDMI cables:
https://www.amazon.in/s/ref=nb_sb_noss_2?field-keywords=hdmi+to+display+port+cable

But no HDMI to Display Port cable.
For example, this one: https://www.amazon.in/AmazonBasics-6-Feet-DisplayPort-port-Cable/dp/B015OW3M1W/
is the highest rated one by Amazon Basics.

Will it work for me?

If not why there is no HDMI to Display Port cable at all. Or I am lacking search skills?
 

13thmonkey

Titan
Moderator
quite possibly, Unlike dvi to hdmi, hdmi to dp requires converting the signal into a bitstream which requires computation, and would not necessarily be automatic if the signal is reversed i.e. deconstructing the bitstream into a more parallel style format.
 

Mahesh Abnave

Honorable
Apr 21, 2013
43
0
10,540
1
quite possibly, Unlike dvi to hdmi, hdmi to dp requires converting the signal into a bitstream which requires computation, and would not necessarily be automatic if the signal is reversed i.e. deconstructing the bitstream into a more parallel style format.
Then which cable I am supposed to buy?
Have a look: https://www.amazon.in/s/ref=nb_sb_noss_2?field-keywords=hdmi+to+display+port+cable

Searching HDMI to DP on Amazon India gives only DP to HDMI cable!!! But not a single HDMI to DP.

I found this adapter on amazon.com: https://www.amazon.com/Cable-Matters-DisplayPort-Adapter-Supporting/dp/B00JQORLCG

Buts its hdmi male to dp female..

I found similar adapter on amazon india: https://www.amazon.in/StarTech-com-HDMI-DisplayPort-Converter-Adapter/dp/B0144NS4Z6

But its just too costly. I can buy 16 GB RAM in same cost.

Surprising that solution is difficult to find.

Now I feel I should find hdmi male to vga male. But even this is not available on amazon.in. There are some but with no reviews / ratings.
 

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