Laptop HDMI conection to  3 TV's

Posted on 2014-01-19
Last Modified: 2014-02-09
I have a problem with a HDMI connection to 3 TV’s.
I have installed 2 Cat6 cables of about 130 to 150 feet to each TV.
I installed a HDMI converter from HDMI to 2 Cat6 to each TV and connected to a 1 to 4 splitter connected to a laptop.
The laptop is setup to have the HDMI as an extended Monitor.
The problem is that the TV’s blinks on and off every 5 to 10 minutes not all at once, one blinks more frequent than the others.
If I connect a different laptop it does not blink. Both laptop OS is Window 7

My question is, can the HDMI port on laptops vary output capacity or does the extended monitor of the HDMI configuration be configured differently.
Question by:glaurin
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LVL 43

Expert Comment

by:Davis McCarn
ID: 39794085
What are the makes and models of the splitter and both laptops?
LVL 38

Expert Comment

by:Gerwin Jansen, EE MVE
ID: 39795248
Is the splitter powered? I assume it is not, when you describe you get different results with 2 different laptops.

When 'projecting' over long distance, you should think of equipment that is capable of doing so, you got the CAT6 cabling (should suffice) but a splitter like this one may improve your results:

(both claim to go up to 200ft - 1080i / 110ft - 1080p)

Author Comment

ID: 39795940
Thanks for the info,
is it not possible that the HDMI port have different output capacity on different laptops.

How would it work well on one laptop not another.
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LVL 38

Expert Comment

by:Gerwin Jansen, EE MVE
ID: 39796196
>> is it not possible that the HDMI port have different output capacity on different laptops.
Yes this is possible, cable quality will be a factor as well.

You did not answer my question whether your splitter is powered or not. Is it?

Author Comment

ID: 39796788
Sorry , Yes the spliter is powered.

being an extended monitor be a factor?

the transminting converter are all tied togheter, could they be over heating?
LVL 38

Accepted Solution

Gerwin Jansen, EE MVE earned 500 total points
ID: 39797350
>> could they be over heating
Possible, sure.

>> Yes the spliter is powered.
What brand/type of splitter do you have and what is your resolution (1080i/p 720)?
LVL 38

Expert Comment

by:Gerwin Jansen, EE MVE
ID: 39843300
Thanks for the points but did you fix the issue and if so, how?

Author Comment

ID: 39845485
it may a have been a combination of a few thing, i replaced 2 of the 3 HDMI converters to a single port cat5/cat6, i replaced the HDNI spliter and changed the laptop resolution to 1280 x 720.

Thank You
LVL 38

Expert Comment

by:Gerwin Jansen, EE MVE
ID: 39845653
Ok, thanks for the update!

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