Console making clicking noise when disc is inserted,will not play disc and error sign on screen

I Had the same thing happen! It has to do with the retention clip. Here you go:
How to Fix Wii Disk Read Errors Game Front
After you fix it, don't leave game disks overnight or in for extended periods of time as that pulls the clip down.

"Unable to Read the Disc" Error, or Disc Not Recognized (Will Not Play Game Discs) Situation:

• The Wii console will not play game discs (disc is not recognized)
• System displays either error message "Unable to read disc" or "Disc could not be read"

Important!

• If this problem happens very infrequently, it is normal and does not indicate a problem. A Wii Lens Cleaning Kit can be purchased to help keep the lens clean and prevent the situation from worsening over time.


• Wii Game Discs are region locked, and can only be played on hardware from the same country where the game was released. (A European game cannot be played on a North American system, for example.)

What To Do:

• The Wii console is only compatible with Wii and GameCube discs. It is not compatible with DVDs or discs made for other home consoles. Verify that the disc you are inserting is compatible with the Wii system.


• An error message may display if the disc is ejected during play. Return to the HOME Menu before changing discs.


• Verify that the console is placed correctly.


• If the Wii console is lying flat, the game disc slot should be above all three buttons and the SD Card slot.


• If the Wii console is standing vertically, the power button should be on the top and the console should be in the stand. Note: Only Wii consoles with model number RVL-001 are intended to be placed vertically. (Learn more)


• Verify that the disc is being inserted properly.


• If the console is placed horizontally, the disc label will face upwards.


• If the console is placed vertically, the disc label will face to the right.



• Check the non-printed side of the game disc for dirt or severe damage (such as scratches or cracks).


• If the disc is dirty, try cleaning the game disc. (How to)


• If the disc is damaged or scratched, it will need to be replaced. Please click here for replacement options.


• If the problem occurs with only one game disc, there may be a problem specific to that game. Click here to check our list of specific game issues.


• Make sure only licensed accessories are being used. Unlicensed products do not undergo Nintendo's testing and evaluation process. They may not work at all with our game systems, and they may have compatibility problems with certain games or accessories.

Situation Not Resolved:

How many games does this occur with?

• One Specific Game
• You Only Have One Game
• Some Games / All Games

Applies To: One Specific Game
If you are still having issues with the Game Disc after trying the troubleshooting above, it will need to be replaced. Please click here for replacement options.

Unable to Read the Disc" Error, or Disc Not Recognized (Will Not Play Game Discs) Situation:

• The Wii console will not play game discs (disc is not recognized)
• System displays either error message "Unable to read disc" or "Disc could not be read"

Important!

• If this problem happens very infrequently, it is normal and does not indicate a problem. A Wii Lens Cleaning Kit can be purchased to help keep the lens clean and prevent the situation from worsening over time.


• Wii Game Discs are region locked, and can only be played on hardware from the same country where the game was released. (A European game cannot be played on a North American system, for example.)

What To Do:

• The Wii console is only compatible with Wii and GameCube discs. It is not compatible with DVDs or discs made for other home consoles. Verify that the disc you are inserting is compatible with the Wii system.


• An error message may display if the disc is ejected during play. Return to the HOME Menu before changing discs.


• Verify that the console is placed correctly.


• If the Wii console is lying flat, the game disc slot should be above all three buttons and the SD Card slot.


• If the Wii console is standing vertically, the power button should be on the top and the console should be in the stand. Note: Only Wii consoles with model number RVL-001 are intended to be placed vertically. (Learn more)


• Verify that the disc is being inserted properly.


• If the console is placed horizontally, the disc label will face upwards.


• If the console is placed vertically, the disc label will face to the right.



• Check the non-printed side of the game disc for dirt or severe damage (such as scratches or cracks).


• If the disc is dirty, try cleaning the game disc. (How to)


• If the disc is damaged or scratched, it will need to be replaced. Please click here for replacement options.


• If the problem occurs with only one game disc, there may be a problem specific to that game. Click here to check our list of specific game issues.


• Make sure only licensed accessories are being used. Unlicensed products do not undergo Nintendo's testing and evaluation process. They may not work at all with our game systems, and they may have compatibility problems with certain games or accessories.

Situation Not Resolved:

How many games does this occur with?

• One Specific Game
• You Only Have One Game
• Some Games / All Games

"Unable to read the disc" or "Disc could not be read" Messages
If you are getting one of the above error messages:

• This message can display if you eject a disc during game play. If this is when the message displayed, make sure that you return to the Wii Menu before changing discs if you wish to play a different game.


• If your Wii console is laying flat, it may be positioned upside down. Ensure that is positioned right-side up: the game disc slot should be above all three buttons and the SD Card slot.


• Ensure that you are properly loading a Game Disc.
  • If your console is placed vertically, the disc label will face to the right.
  • If your console is placed horizontally, the disc label will face upwards


• Check our list of specific game issues to see if there is a known issue with that particular title.
• If you know you are inserting the Game Disc correctly, but are still have the same problem with only one game (or if you only have one game), try cleaning the Game Disc by following the disc cleaning procedures (click here).


If the above information did not resolve the issue or it is happening with most or all of your games, a repair is necessary. Please note: So that our technicians are able to duplicate the issue, please include at least one sample game disc that causes this message to appear when played. Click here to set up a repair.

hmmmmm mayby wask the disc be you play and remember to dry CARFULLY

also PS3's and everything els like to be laid down not stading up that helps them alot

Fiend your solution direct from nintendo. Here is your solution....
http://www.nintendo.com/wiiconsole/prob676ijt65/solution

aaa9

click the green button twice fast when disc read error comes

Try and clean the DVD drive first.If that don' work you need to get a new dvd drive.

Playing Super Smash Bros. Brawl? Click here for specific help.
If you are getting one of the above error messages:

Ensure that you are properly loading a Game Disc.

• If your console is placed vertically, the disc label will face to the right.
• If your console is placed horizontally, the disc label will face upwards

If you know you are inserting the Game Disc correctly, but are still have the same problem with only one game (or if you only have one game), try cleaning the Game Disc by following the disc cleaning procedures (click here).
If after reading the above information you are still unable to play a game disc, please call 1-800-255-3700 to discuss available

check if your cd have scratches, this is one of the causes of disc error and you need to clean your cd rom you can use a cd cleaner just play it this cleans the lense o your cd rom