Be mindful on some lasers on the ribbon cable there was an anti static solder bridging blob that needs the be removed after installation otherwise it won’t work.
https://www.consolezombie.com/Images/WiiDVDLaser/wii-laser-solder-point.jpg
https://www.consolezombie.com/Images/WiiDVDLaser/wii-laser-solder-point-removed.jpg
Cheers George
https://www.consolezombie.com/Images/WiiDVDLaser/wii-laser-solder-point.jpg
https://www.consolezombie.com/Images/WiiDVDLaser/wii-laser-solder-point-removed.jpg
Cheers George