Laptop to Projector connections.

  jack 14:31 09 Aug 2007

Those of you that have used a laptop and media projector be kind enough to take a look at the media cable and please describe the following.

1.The nature of the cable from the VGA out[ 3x5 D sub female] on the laptop to what on the projector?

2. Are all the pins present on the male VGA

I have been asked to check over an old media projector that seems to be working OK[it works via a DVD player] but has lost the ability to receive Laptop input.
One thought could be the data cable is defective
because 3 pins seem to be missing on the VGA Male
Pin 4 in the top row
12 and 15 in the bottom row.

Also what connects to the projector in your case
We have a 15 hole female [7x8] D shell
Thank you all in anticipation

I have downloaded various Pin out URLs and am looking them over at the moment

  jack 14:35 09 Aug 2007

Also what do you do with your laptop to get it to talk to the external VGA connector?
There seems to be a variation here between makes of Laptop

  ambra4 16:25 09 Aug 2007

Connect the VGA cable from the VGA port on laptop to VGA port on projecter

To access VGA port on laptop hold down FN (function) key and press F8 Crt/Lcd button each time you press the F8 button the display will change laptop only, external display only, or both

  Woolwell 16:29 09 Aug 2007

ambra4's solution works for most laptops but you may need to enter the graphics set up. There is often a graphics icon in the system tray and right clicking on this will bring up a anumber of options including extended desktop, cloning, etc. Extended desktop is what I use for a projector.

  Woolwell 16:34 09 Aug 2007

I've just looked at my cable I have only one pin missing in the middle row.

  jack 19:37 09 Aug 2007

Looking at th pin out pins 4 12 15 are marked NC
Meaning hopefully - Not Connected.

Which one is missing and does it matter?
If it is No.9- you are OK

VGA Analog Video Pinout

15 way D-type in a 9-way shell
row 1
Pin 1 Red (0 - 0.7V)
Pin 2 Green (0 - 0.7V)
Pin 3 Blue (0 - 0.7V)
Pin 4 N/C
Pin 5 Digital Ground
row 2
Pin 6 Red Return (Analog Ground)
Pin 7 Green Return (Analog Ground)
Pin 8 Blue Return (Analog Ground)
Pin 9 N/C
Pin 10 Digital Ground
row 3
Pin 11 N/C
Pin 12 N/C
Pin 13 Horizontal Sync (TTL)
Pin 14 Vertical Sync (TTL)
Pin 15 N/C

  Woolwell 20:30 09 Aug 2007

It's no 9

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