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Connecting Laptop to a Projector


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#1 TechnicalDifficulty

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Posted 16 November 2015 - 04:37 PM

I have an HP 15 f125wm  laptop that doesn't have a VGA port. It has an HDMI port so I just bought an HDMI to VGA cable. But when I connect the cable nothing happens. The monitor doesn't pick up any signal at all. All I could find from HP was a manual on how to connect the cable to the ports but that doesn't help. Has anyone else had this problem or know how to troubleshoot it?



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#2 Chris Cosgrove

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Posted 16 November 2015 - 07:15 PM

Do you have a part number or a catalogue reference for this cable ?  My information is that you need an adapter to change the digital HDMI signal to the analogue VGA one, something like either of these. Note the vast difference in prices !  These are from UK stores but you should be able to find somethng similar wherever you are.

 

http://www.lightinthebox.com/1080p-hdmi-male-to-vga-female-video-converter-adapter-cable-for-pc-dvd-hdtv-black_p1764371.html?currency=GBP&litb_from=paid_adwords_shopping&sku=441_7392&litb_from=&adword_mt=&adword_ct=87410557514&adword_kw=&adword_pos=1o3&adword_pl=&adword_net=g&adword_tar=&adw_src_id=1810908567_318786434_22545930314_kwd-151714220954&gclid=CKvfiZGWlskCFSEGwwodsBcAOA

 

http://www.maplin.co.uk/p/maplin-microministandard-hdmi-male-to-female-vga-adapter-n58nx

 

Chris Cosgrove



#3 TechnicalDifficulty

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Posted 16 November 2015 - 09:59 PM

This is the cable I got. - http://www.ebay.com/itm/HDMI-MALE-TO-VGA-MALE-VIDEO-CONVERTER-ADAPTER-CABLE-FOR-TV-DVD-HDTV-1080P-/121705045387?hash=item1c562f9d8b:g:8b4AAOSw14xWPhiv

 

Now that I read the description closer, I think I just rushed and got a useless part. It says "Will not work for PC to TV conversion or laptop to monitor.". I guess that includes projectors too. Well, that sucks. :unsure:


Edited by TechnicalDifficulty, 16 November 2015 - 10:01 PM.


#4 Chris Cosgrove

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Posted 17 November 2015 - 07:36 PM

Put it in the spares cupboard, it may come in useful some day !

 

It is possible to get HD video images (1080p) but you do need an active converter like one of the types I listed above because you have to convert a digital signal to an analogue one. I looked at this in the other direction back in the Summer - VGA to HDMI - but it was going to cost an arm and a leg and I was advised that the results would not be that great, so we put the arm and the leg towards buying my wife a new laptop. Which does have an HDMI output.

 

If you can find a suitable adapter, which doesn't appear all that difficult, the results going from HDMI to VGA should be better, but take advice if you can.

 

Chris Cosgrove






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