First of all, thank you all by the support. I have a Pavilion dv6 laptop. Here are the results of x11-utils:
--> When I press the PrintScreen button: Outer window is 0x4200001, inner window is 0x4200002 KeymapNotify event, serial 24, synthetic NO, window 0x0, keys: 4294967223 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 KeyPress event, serial 25, synthetic NO, window 0x4200001, root 0xb6, subw 0x0, time 4825148, (-287,261), root:(484,313), state 0x10, keycode 218 (keysym 0xff61, Print), same_screen YES, XKeysymToKeycode returns keycode: 107 XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False KeyRelease event, serial 28, synthetic NO, window 0x4200001, root 0xb6, subw 0x0, time 4825199, (-287,261), root:(484,313), state 0x10, keycode 218 (keysym 0xff61, Print), same_screen YES, XKeysymToKeycode returns keycode: 107 XLookupString gives 0 bytes: XFilterEvent returns: False --> When I press fn+Del key combination: Outer window is 0x4200001, inner window is 0x4200002 KeymapNotify event, serial 24, synthetic NO, window 0x0, keys: 4294967223 0 0 0 16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 KeyRelease event, serial 25, synthetic NO, window 0x4200001, root 0xb6, subw 0x0, time 4848953, (-660,410), root:(111,462), state 0x10, keycode 36 (keysym 0xff0d, Return), same_screen YES, " XLookupString gives 1 bytes: (0d) " XFilterEvent returns: False KeymapNotify event, serial 26, synthetic NO, window 0x0, keys: 4294967222 0 0 0 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 KeyRelease event, serial 28, synthetic NO, window 0x4200001, root 0xb6, subw 0x0, time 4851521, (-660,410), root:(111,462), state 0x10, keycode 107 (keysym 0xff61, Print), same_screen YES, XLookupString gives 0 bytes: XFilterEvent returns: False -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1282649 Title: Unable to make screenshot with <PrintScreen> key in Unity session in Trusty To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1282649/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs