need help on dung puzzle!!

[iSkillz]

I need help on this dungeon room
What the room looks like:
There is a red, green, yellow and blue loadstone of to the side. And in the middle of the room there is a large crystal with 4 paths with 5 squares and a pressure pad at each end.

When you step on the pressure pad the light stops on a square
But I only have 1 person and there is 4 pressure pads. What do I do?

 

[3Socks]

You need to get all the colours to get onto the crystal at the same time.
If it's this one, then here's what the wiki says about it:

Description
This room contains four lodestones: one red, one yellow, one green, and one blue. One or more may already be active. The inactive ones will require varying magic levels to power up. This room also contains a large crystal, 4 lights continually moving towards the crystal and 4 pressure pads.
Skill requirements
Magic (Unless all 4 lodestones are already charged)
Solution
To solve this puzzle, you must stop all 4 lights on the large crystal. If you step onto one of the 4 pressure pads, the corresponding light will stop moving until you step off, this includes if it is in the crystal. Once you step off the pad it will start moving again. Solo players - You need to synchronize the lights so that they hit the crystal all at the same time. Stepping on and off the pressure pad starts and stops them. Once all 4 hit the crystal at the same time, the lock will open.
A good strategy is to stand on a pressure pad while watching another colour—when the other colour is just before the Large Crystal, just off the second to last spot—step off the pressure pad. The idea is to synchronize that other colour with the one you are controlling. When two colours are synchronized move to the third, then the fourth, opening the doors.

A better strategy is to first choose a colour. Now, stand by an unactivated stone, and when the colour chosen is in the middle, activate it. If done correctly, both colours will be synchronized. Be sure to let other teammates know which colours to trap in the middle and which you have synchronized.

The last colour can easily be finished by stepping on it while it is in the centre crystal and waiting for the other colours to meet.

Another strategy is to wait near a pressure pad and step on it as soon as it is one space away from the crystal. This will cause the light to stop as soon as it reaches the crystal.

Also, you can try having 3 of them at the same time, and one not coming in. This will also solve the puzzle without wasting a small amount of time.

In teams of 3+ players you can have all three players stand on a different pad and trapping 3 lights in the centre. when the 4th light moves into the center the doors will unlock.

Note: In rare occasions the puzzle will already be solved and doors open when you enter the room.

 

[I_DONT_BOT]

^ This is perfect. My technique is to line them all up by standing on and off them, and then just do the last one. If you're really good you can activate the codestones in perfect rhythm.

 

You need to get all the colours to get onto the crystal at the same time.
If it's this one, then here's what the wiki says about it:

^^^ that's how I do it