Lens will not open - Canon PowerShot SX130 IS Digital Camera

hi,
lens error occur normally when it fell or the lens shaken, if so open the camera, take the lens unit out, disassemble the lens unit, then fix it again properly. example below:
(this is not the told model)

Set a step ladder under the power head of the garage door opener so you can reach the power cord and the lens cover safely.
Climb the ladder and pull the power cord from the outlet in the ceiling. Press the two lens tabs in to disengage the lens from the power head. The lens tabs are below the opener rail on the upper corners of the lens. Pull the lens cover straight off of the power head.
Unscrew the light bulb from the light socket. Use a new 60 watt bulb to replace the defective bulb. Do not use a short neck bulb. Screw the new bulb into the light socket just as you would a regular lamp socket.
Slide the lens cover back over the front of the power head. Push the lens cover in until the locking tabs engage the top corners of the lens cover.
Plug the Genie garage door opener power cord back into the ceiling electrical outlet.
home light

You have two options, replace the motor that opens and closes the lens cover or remove the lens cover shutters all together, and use a 30mm lens cap.

failure of the sensors of the lens unit and failuree of allienment of lens unit with the mother board

Maybe some of the lens gear is broken . change the gear or lens will be ok .

easy fix. yo turn it on and then very lightly tap the lens cover or push it out. then you should clean the lens because the dirt or dust on the lens is stopping the lens cover.

Was this stuck fully open or was the lens partially opened, or was the lens jammed?

The lens can be removed and replaced with another lens from another non-functioning camera (See ebay). The lens component can also be dissembled. Putting the lens back together is tricky because the parts have to be aligned just right for the lens to work. If working with a Jammed lens, extra care has to be considered not to break any of the moving plastic parts of the lens or that part (if not entire lens) is junk.

With the motor detached from the lens, the lens should extend and retract freely. Use this to test the lens when you dissemble the camera. Be careful of the flash board.

This is probably THE most common failure among digital cameras. There's a halfway chance of fixing it yourself, described here: http://camerarepair.blogspot.com/2007/12/fixing-lens-error-on-digital-camera.html

When you opened it the cog connected to the motor which opens and closes the lens probably shifted and no longer has traction against the ring around the inside of the lens which turns it to open and close it. If you open the camera up again be extremely careful - the lens has loads of springs inside it - lose one of these and it won't work properly. I opened up the whole thing to try and fix my lens which had been jammed in after a friend dropped it. I fixed the lens but couldn't put the damn thing back together again to many tiny parts and no guide to the jigsaw!!

1. What lens wont open?
2. Please give details about your camera type and the short history of what happened for the lens not to open