The screen reads 'put disc into X-box 360 console".... for every game...it will play all dvds though....

Your disc may be scratched. Try a disc repair kit. If it's a known working game then there may be a defect with the firmware of the 360 which could require a factory reset of the console.

It seems your laser isn't reading the second layer on the games. Regular DVDs have only one layer of information, Xbox 360 games are "Dual Layered" meaning twice as much information in the same area. I would recommend buying a replacement laser from eBay and installing it yourself (as you already know how to take the Xbox apart)

if its all games its a drive error, if its only one its the disc, if its a drive error, hopefully youve got warranty, not sure if drives are locked to aconsole i.e. no straight swap from one to another,

Though i fixed the Disc Read Error myself within anhour but please test the below method at your OWN Risk. Please alsonote that microsoft is no longer providing Extended warranty for E74Error.

Check out this DIY Video Guide,that explains step by step instructions to fix Disc Read Error yourselfwithin an hour. It also provides the money back guarantee in case youare not satisfied. As i fixed my Xbox myself so i thought to share itwith you guys.............

Make sure discs are not scratched. Try cleaning the discs using rubbing alcohol and a soft cloth.

this usually happens to bad/damaged/dirty game disks. try cleaning the disks. if that doesn't work, contact microsoft via xbox.com/support.

is the games set up

you need to be sure that the dvds are clean and/or u need to check your 360

Try to insert a straighten paper pin into the hole under the tray if still no go You have to open the cover and take the cd out.

start xbox at 45 degree angle