Why screen suddenly changed to green and no idea how to revert to black and white/colour

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Screen colours are "additive".
They take some amount of each of the 3 "primary" colours, to make a specific colour. For example, 100% + 100% + 100% gives "white". Getting "pink" when you expect "white" means that you are getting 0% instead of 100% of one of the 3 colours.
Bad screen, or partially-broken cable between the "motherboard" and the screen.

• Hi, have you activated the Reverse colours function? Go to Settings / General / Accessibility / Invert Colours
• did you drop it by any chance? My boy dropped his and we got the dreaded black screen one time - then we gave it the hard smack treatment on the backside to release the jammed accelerometer - this worked perfectly the 1st time it happened, the 2nd time he dropped it we reverted to strange black and white colours, the smacking continued, and the colours came back.

The hard drive has issues, or the window files are corrupt. I suggest a computer repair store to retrieve files and test hardware.

Yes the green goes to your bare copper wire, it is the ground. Black to black and white to white.

Was playing around with the TV's menu and changed the Tuning Band from "HRC cable" to "IRC cable". Suddenly I have colour again. No one had adjusted any of the controls, so still not sure why one day it was fine and the next day it had gone to black and white, but changing the Tuning Band fixed the colour problem for me.

I found some good information on this site: http://www.ling.upenn.edu/~kurisuto/phone_wiring.html.

He lists that the old style wire has become obsolete, and shows a diagram of how they line up to the new style.

Make sure that the color control level is set to the default or 50% to start with. This should be in the Video menu.

The colour for the tuner and for the encoded base-band video uses a circuit area called the colour demodulator. It is possible that this cirucuit area has failed and needs servicing.

Jerry G.

what was the fix?

its bootleg