I am supposed to do a presentation on next month using power point, and will be using a projector to present it. The projector can be connected to the laptop by a vga cable, my problem is that I do not have a vga cable of sufficient length(I need a vga cable of length 4m minimum), other wise I need to sit close to the projector to operate the pc which I do not like. I have a usb extension cable of 5m length and I have searched for a usb to vga adapter, but they don't fit my budget and they will be of no use after this function.
So, my question is, is it possible to join more than two vga cables (because I need a cable of minimum 4m long) by removing one end from each cable and join them? What are the things that I need to be taken care of while doing this?
Note: I will be using the projector screen as an extension of my laptop screen
111 Answer
Not answering your question directly, but perhaps you haven't thought of that:
Ask a friends (whose laptop you use anyhow), collegue, or somebody who listens to the talk. (S)He can easily advance the slides for you via a THz, i.e. visual, connection ;).
I've done that a lot of times myself, ideally you should train the talk before with that person, then there's even no sign necessary when you want the next slide. Sometimes it's even helpful as a hint that you forgot something important to mention when the next slide will not appear.
Of course, it's not possible in all circumstances... but if it's an important talk you should consider to invest some money. My recommondation is a wireless mouse (check if the operating range is large enough, 4 metres might be difficult), I've seen one for US$ 3 on eBay.
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