iPad screen backlit but blank
I have struck a real problem with my iPad and I have tried everything to fix it.
The problem is as follows:
- The screen is blank but is glowing with the backlight
- After pushing the home button, if I slide my finger across the bottom of the screen I can here the click of the iPad unlocking but I still see nothing. I can even get music to play by double clicking the home button and sliding it right.
- If I hold the sleep/wake button down and then slide my finger across the area where the power off slider is, I get a brief glimpse of the power off slider, then a wiggly block of solid blue across the top of the screen (about 3-4mm high across the width of the whole screen). I then get the usual power down spinning thing in the middle of the screen and the iPad powers off
- When I hold down the sleep/wake button again I get a split second of the solid white apple logo in the middle of the screen which then flashes off leaving the screen backlit but blank.
- iTunes detects the iPad as usual and gives no diagnostic sign that the iPad is in any way faulty
I have tried the following:
- Powering up and down
- Complete reboot using the home and sleep/wake buttons together. This results in the iPad closing down like in 3 above and when I switch it on again (like item 4 above) I get the same result as in 4.
- I have tried a complete restore of the iPad using iTunes. This worked fine acording to iTunes but did not restore the screen to working order.
HELP!!
iPad, iOS 5.1.1