My iPad's Portrait/Landscape display mode switch above the Volume control switch is acting wrongly now. It no longer locks the display image to Portrait or Landscape mode. Instead, when slid down to locked position, it mutes the volume and vice-versa, while the display image will rotate to protrait or landscape mode whenever I rotate the iPad. I wonder if I had inadvertently set this switch to the Mute function??!!

Can anyone tell me now to rectify the "faulty" display mode lock switch?

Thanks a lot.
leotb

You cannot. If you had the switch as a display orientation lock, you were running iOs before version 4.2.1.
They changed the locking function to mute with that version.
Maybe you can get the locking function back once you jailbreak your device (although I haven't found a settings app for that yet).
The other way is to go back to iOs before 4.2.1.
But you'll have to look in the hacking section of the forum for this.

I hope I could help.

The rotate lock is now moved. Double click the exit button and scroll left on the new bottom section until you see the rotate lock button.

Thank you, Mike_73 and PCUK.
Indeed I had upgraded to iOS 4.2.1 and did not realized the new OS changed this button's function and introduced additional functions to the bottom docking bar! Found out I can control brightness and volume there too!

Your quick responses really cleared my headache.

I used my rotate lock all the time and had no need for a mute key as there was already one called the volume down key. Bad upgrade.

I have no exit button so cannot approach a solution like suggested above.

By "exit" button, PCUK just meant the Home button on the bottom-same old one that you use to wake iPad up from sleep, or to bring up the multi-tasking, etc, so you should have no problem.
It's a 3 step process now instead of one, but just press home twice and scroll over to the left and you'll find it there.

Originally Posted by Wolfpuppies3

I used my rotate lock all the time and had no need for a mute key as there was already one called the volume down key. Bad upgrade.

I have no exit button so cannot approach a solution like suggested above.

Yeah, in terms of the screen orientation lock it definitely is a downgrade.
Is there a tweak for jailbroken devices to assign this function back to the hardware switch. I guess I wouldn't mind having the lock button in the taskbar if it were visible after the double press of the home button, but I hate to scroll through my recently used apps first.