U530 function keys without pressing Fn key

I just bought a new IdeaPad U530 laptop and using a function key requires pressing both the Fn key and the specific function key wanted. Other postings show how to change that on other models and one said that the answer was in the User's Guide. Neither the User's Guide which was preloaded on my laptop nor the one I downloaded address this. Every other laptop that I've ever had doesn't require using the Fn key and it's a real pain to have to press both keys together. I use function keys much more often than the functions that are triggered when the Fn key is not pressed. Can anyone help?
Solved!
Go to Solution.

hi dfmyrick,
Welcome to the Lenovo Forums.
Looking at Chapter 1 - Page 3 of the Ideapad U530 Users Guide, there's a note where you can toggle Hotkey Mode in the BIOS (this is the option where you don't need to press the Fn key for the function keys to work).
- Link to picture
Can you try to:
1. Boot into the BIOS via the UEFI Firmware Settings
2. In the BIOS, navigate to the Configuration Tab and look for Hotkey Mode or Hotkey Switch then set the value to HotKey Mode or Enabled.
- Link to picture
- Link to picture
3. When done, press F10 (or Fn+F10) to save and exit then observe if you can now press F1-F12 without pressing the Fn Key inside Windows.
Let me know how it goes.
Regards
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Christophian wrote:
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My laptop is a Lenovo y50 4K. I have Nvidia hybrid optimus graphics with the proprietary Nvidia driver and xrandr modesetting in my .xinitrc. I have been using my current configuration successfully for a few months. The issue started when I pressed FN + F3. This is the function key that toggles my video output source / screen mirroring to the HDMI plug. I meant to press FN + F2, which is the one that toggles my screen backlight, but my finger missed the key. I didn't have anything plugged into the HDMI port at the time and X immediately crashed. I tried to restart X, but it segfaulted. I tried pressing the function key again, but under TTY all it does is type "p" in console. I tried restarting the computer, but that changed nothing. X still crashes. I tried loading X with a HDMI screen plugged in, no change. Now I started to think that it was maybe a bios level toggle, so I looked for an option to disable the HDMI plug in my bios settings. There was none. I tried rebooting into Windows plugging a device into the HDMI port and cycling through the HDMI screen mirroring options, disabling the HDMI port there and rebooting. I tried this because I had a wifi issue in the past that turned out to be a bios level toggle from my wifi function key that could only be set from Windows. At this point, The HDMI output would no longer mirror the screen at bios and Grub, but as soon as the Linux kernel loaded, the screen would mirror over HDMI again. I don't know if it's relevant or not, but I have used my HDMI port for screen mirroring in the past without problems, but I never used the function key to toggle it before.
This error shows up under dmesg when I try to start X.
[ 1965.483823] vgaarb: this pci device is not a vga device
[ 1965.484045] nvidia 0000:01:00.0: irq 36 for MSI/MSI-X
[ 1965.485905] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140926/nsarguments-95)
[ 1965.485935] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140926/nsarguments-95)
[ 1965.485948] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140926/nsarguments-95)
[ 1965.485968] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140926/nsarguments-95)
[ 1965.485980] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140926/nsarguments-95)
[ 1965.485992] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140926/nsarguments-95)
[ 1965.486018] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140926/nsarguments-95)
[ 1965.486030] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140926/nsarguments-95)
[ 1965.488207] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140926/nsarguments-95)
This is my Xorg log.
[ 5246.182]
X.Org X Server 1.17.1
Release Date: 2015-02-10
[ 5246.189] X Protocol Version 11, Revision 0
[ 5246.191] Build Operating System: Linux 3.17.6-1-ARCH x86_64
[ 5246.194] Current Operating System: Linux Rocco_Lenovo 3.18.6-1-ARCH #1 SMP PREEMPT Sat Feb 7 08:44:05 CET 2015 x86_64
[ 5246.194] Kernel command line: BOOT_IMAGE=/vmlinuz-linux root=UUID=f1165f63-72c5-4bd0-a061-6379dc86c97c rw rcutree.rcu_idle_gp_delay=5
[ 5246.199] Build Date: 11 February 2015 08:27:38AM
[ 5246.201]
[ 5246.203] Current version of pixman: 0.32.6
[ 5246.209] Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
[ 5246.209] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 5246.219] (==) Log file: "/var/log/Xorg.0.log", Time: Mon Feb 16 16:06:34 2015
[ 5246.222] (==) Using config file: "/etc/X11/xorg.conf"
[ 5246.224] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 5246.225] (==) ServerLayout "layout"
[ 5246.225] (**) |-->Screen "nvidia" (0)
[ 5246.225] (**) | |-->Monitor "<default monitor>"
[ 5246.225] (**) | |-->Device "nvidia"
[ 5246.225] (==) No monitor specified for screen "nvidia".
Using a default monitor configuration.
[ 5246.225] (**) |-->Inactive Device "intel"
[ 5246.225] (==) Automatically adding devices
[ 5246.225] (==) Automatically enabling devices
[ 5246.225] (==) Automatically adding GPU devices
[ 5246.225] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/OTF/".
[ 5246.225] Entry deleted from font path.
[ 5246.225] (Run 'mkfontdir' on "/usr/share/fonts/OTF/").
[ 5246.225] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/100dpi/".
[ 5246.225] Entry deleted from font path.
[ 5246.225] (Run 'mkfontdir' on "/usr/share/fonts/100dpi/").
[ 5246.225] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/75dpi/".
[ 5246.225] Entry deleted from font path.
[ 5246.225] (Run 'mkfontdir' on "/usr/share/fonts/75dpi/").
[ 5246.225] (==) FontPath set to:
/usr/share/fonts/misc/,
/usr/share/fonts/TTF/,
/usr/share/fonts/Type1/
[ 5246.225] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 5246.225] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 5246.225] (II) Loader magic: 0x814d40
[ 5246.225] (II) Module ABI versions:
[ 5246.225] X.Org ANSI C Emulation: 0.4
[ 5246.225] X.Org Video Driver: 19.0
[ 5246.225] X.Org XInput driver : 21.0
[ 5246.225] X.Org Server Extension : 9.0
[ 5246.226] (II) systemd-logind: took control of session /org/freedesktop/login1/session/c1
[ 5246.226] (II) xfree86: Adding drm device (/dev/dri/card1)
[ 5246.227] (II) systemd-logind: got fd for /dev/dri/card1 226:1 fd 8 paused 0
[ 5246.227] (II) xfree86: Adding drm device (/dev/dri/card0)
[ 5246.227] (II) systemd-logind: got fd for /dev/dri/card0 226:0 fd 9 paused 0
[ 5246.228] (--) PCI:*(0:0:2:0) 8086:0416:17aa:3978 rev 6, Mem @ 0xd1000000/4194304, 0xc0000000/268435456, I/O @ 0x00005000/64
[ 5246.228] (--) PCI: (0:1:0:0) 10de:1392:17aa:3978 rev 162, Mem @ 0xd0000000/16777216, 0xa0000000/268435456, 0xb0000000/33554432, I/O @ 0x00004000/128, BIOS @ 0x????????/524288
[ 5246.228] (II) Open ACPI successful (/var/run/acpid.socket)
[ 5246.228] (II) LoadModule: "glx"
[ 5246.228] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 5246.235] (II) Module glx: vendor="NVIDIA Corporation"
[ 5246.235] compiled for 4.0.2, module version = 1.0.0
[ 5246.235] Module class: X.Org Server Extension
[ 5246.235] (II) NVIDIA GLX Module 346.35 Sat Jan 10 20:53:39 PST 2015
[ 5246.235] (II) LoadModule: "nvidia"
[ 5246.235] (II) Loading /usr/lib/xorg/modules/drivers/nvidia_drv.so
[ 5246.235] (II) Module nvidia: vendor="NVIDIA Corporation"
[ 5246.235] compiled for 4.0.2, module version = 1.0.0
[ 5246.235] Module class: X.Org Video Driver
[ 5246.235] (II) LoadModule: "modesetting"
[ 5246.235] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 5246.235] (II) Module modesetting: vendor="X.Org Foundation"
[ 5246.235] compiled for 1.17.1, module version = 1.17.1
[ 5246.235] Module class: X.Org Video Driver
[ 5246.235] ABI class: X.Org Video Driver, version 19.0
[ 5246.235] (II) NVIDIA dlloader X Driver 346.35 Sat Jan 10 20:32:18 PST 2015
[ 5246.235] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[ 5246.235] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[ 5246.235] (++) using VT number 1
[ 5246.235] (--) controlling tty is VT number 1, auto-enabling KeepTty
[ 5246.235] (II) Loading sub module "fb"
[ 5246.235] (II) LoadModule: "fb"
[ 5246.235] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 5246.235] (II) Module fb: vendor="X.Org Foundation"
[ 5246.235] compiled for 1.17.1, module version = 1.0.0
[ 5246.235] ABI class: X.Org ANSI C Emulation, version 0.4
[ 5246.235] (II) Loading sub module "wfb"
[ 5246.235] (II) LoadModule: "wfb"
[ 5246.235] (II) Loading /usr/lib/xorg/modules/libwfb.so
[ 5246.235] (II) Module wfb: vendor="X.Org Foundation"
[ 5246.235] compiled for 1.17.1, module version = 1.0.0
[ 5246.235] ABI class: X.Org ANSI C Emulation, version 0.4
[ 5246.235] (II) Loading sub module "ramdac"
[ 5246.235] (II) LoadModule: "ramdac"
[ 5246.235] (II) Module "ramdac" already built-in
[ 5246.236] (II) modeset(1): using drv /dev/dri/card0
[ 5246.236] (II) modeset(G0): using drv /dev/dri/card0
[ 5246.236] (EE) Screen 1 deleted because of no matching config section.
[ 5246.236] (II) UnloadModule: "modesetting"
[ 5246.236] (II) NVIDIA(0): Creating default Display subsection in Screen section
"nvidia" for depth/fbbpp 24/32
[ 5246.236] (==) NVIDIA(0): Depth 24, (==) framebuffer bpp 32
[ 5246.236] (==) NVIDIA(0): RGB weight 888
[ 5246.236] (==) NVIDIA(0): Default visual is TrueColor
[ 5246.236] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
[ 5246.236] (**) NVIDIA(0): Option "ConstrainCursor" "off"
[ 5246.236] (**) NVIDIA(0): Option "AllowEmptyInitialConfiguration" "on"
[ 5246.236] (**) NVIDIA(0): Option "IgnoreDisplayDevices" "CRT"
[ 5246.236] (**) NVIDIA(0): Enabling 2D acceleration
[ 5246.332] (II) NVIDIA(GPU-0): Found DRM driver nvidia-drm (20130102)
[ 5246.333] (II) NVIDIA(0): NVIDIA GPU GeForce GTX 860M (GM107-A) at PCI:1:0:0 (GPU-0)
[ 5246.333] (--) NVIDIA(0): Memory: 2097152 kBytes
[ 5246.333] (--) NVIDIA(0): VideoBIOS: 82.07.34.00.08
[ 5246.333] (II) NVIDIA(0): Detected PCI Express Link width: 16X
[ 5246.333] (--) NVIDIA(0): Valid display device(s) on GeForce GTX 860M at PCI:1:0:0
[ 5246.333] (--) NVIDIA(0): none
[ 5246.333] (II) NVIDIA(0): Validated MetaModes:
[ 5246.333] (II) NVIDIA(0): "NULL"
[ 5246.333] (II) NVIDIA(0): Virtual screen size determined to be 640 x 480
[ 5246.333] (WW) NVIDIA(0): Unable to get display device for DPI computation.
[ 5246.333] (==) NVIDIA(0): DPI set to (75, 75); computed from built-in default
[ 5246.333] (==) modeset(G0): Depth 24, (==) framebuffer bpp 32
[ 5246.333] (==) modeset(G0): RGB weight 888
[ 5246.333] (==) modeset(G0): Default visual is TrueColor
[ 5246.333] (II) Loading sub module "glamoregl"
[ 5246.333] (II) LoadModule: "glamoregl"
[ 5246.333] (II) Loading /usr/lib/xorg/modules/libglamoregl.so
[ 5246.336] (II) Module glamoregl: vendor="X.Org Foundation"
[ 5246.336] compiled for 1.17.1, module version = 1.0.0
[ 5246.336] ABI class: X.Org ANSI C Emulation, version 0.4
[ 5246.336] (II) glamor: OpenGL accelerated X.org driver based.
[ 5246.351] (EE)
[ 5246.351] (EE) Backtrace:
[ 5246.351] (EE) 0: /usr/lib/xorg-server/Xorg (xorg_backtrace+0x56) [0x590416]
[ 5246.351] (EE) 1: /usr/lib/xorg-server/Xorg (0x400000+0x194579) [0x594579]
[ 5246.351] (EE) 2: /usr/lib/libc.so.6 (0x7fe5a1f0d000+0x33540) [0x7fe5a1f40540]
[ 5246.351] (EE) 3: /usr/lib/libX11.so.6 (_XSend+0x2b) [0x7fe597eb80bb]
[ 5246.351] (EE) 4: /usr/lib/libX11.so.6 (_XFlush+0x15) [0x7fe597eb8575]
[ 5246.351] (EE) 5: /usr/lib/libX11.so.6 (_XGetRequest+0x65) [0x7fe597ebb055]
[ 5246.351] (EE) 6: /usr/lib/libX11.so.6 (XQueryExtension+0x4d) [0x7fe597eae5ed]
[ 5246.352] (EE) 7: /usr/lib/libX11.so.6 (XInitExtension+0x32) [0x7fe597ea2392]
[ 5246.352] (EE) 8: /usr/lib/libXext.so.6 (XextAddDisplay+0x4f) [0x7fe597c7138f]
[ 5246.352] (EE) 9: /usr/lib/libnvidia-glsi.so.346.35 (0x7fe5981b8000+0x63017) [0x7fe59821b017]
[ 5246.352] (EE) 10: /usr/lib/libnvidia-glsi.so.346.35 (0x7fe5981b8000+0x4484) [0x7fe5981bc484]
[ 5246.352] (EE) 11: /usr/lib/libEGL.so.1 (0x7fe598442000+0x2381e) [0x7fe59846581e]
[ 5246.352] (EE) 12: /usr/lib/libEGL.so.1 (0x7fe598442000+0x2417a) [0x7fe59846617a]
[ 5246.352] (EE) 13: /usr/lib/libEGL.so.1 (0x7fe598442000+0x2c946) [0x7fe59846e946]
[ 5246.352] (EE) 14: /usr/lib/xorg/modules/libglamoregl.so (glamor_egl_init+0x99) [0x7fe59a768539]
[ 5246.352] (EE) 15: /usr/lib/xorg/modules/drivers/modesetting_drv.so (0x7fe59adf7000+0x6a86) [0x7fe59adfda86]
[ 5246.352] (EE) 16: /usr/lib/xorg-server/Xorg (InitOutput+0xbcc) [0x47b42c]
[ 5246.352] (EE) 17: /usr/lib/xorg-server/Xorg (0x400000+0x3c78a) [0x43c78a]
[ 5246.352] (EE) 18: /usr/lib/libc.so.6 (__libc_start_main+0xf0) [0x7fe5a1f2d800]
[ 5246.352] (EE) 19: /usr/lib/xorg-server/Xorg (_start+0x29) [0x426e29]
[ 5246.352] (EE)
[ 5246.352] (EE) Segmentation fault at address 0x0
[ 5246.352] (EE)
Fatal server error:
[ 5246.352] (EE) Caught signal 11 (Segmentation fault). Server aborting
[ 5246.352] (EE)
[ 5246.352] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 5246.352] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[ 5246.352] (EE)
[ 5246.367] (EE) Server terminated with error (1). Closing log file.
The main thing that I noticed from my xorg log is
[ 5246.333] (--) NVIDIA(0): Valid display device(s) on GeForce GTX 860M at PCI:1:0:0
[ 5246.333] (--) NVIDIA(0): none
[ 5246.333] (II) NVIDIA(0): Validated MetaModes:
[ 5246.333] (II) NVIDIA(0): "NULL"
Last edited by testing567 (2015-02-17 01:57:57)

Trilby wrote:If you have longish uptimes, I suspect this has nothing to do with the output switch. The switch may have caused a crash, but the failure to restart X could be due to this issue
It turned out to be exactly this. Thank you. It would seem that the function key causing the crash was completely unrelated to my not being able to restart X. I found the bug report here.
I followed the advice in the comments and got it running by renaming /usr/lib/xorg/modules/libglamoregl.so so glamor can't load. I'll mark the thread as solved. Hopefully this bug gets addressed quickly because that fix feels like a dirty hack.
Last edited by testing567 (2015-02-17 01:56:58)

'FRM-41008 - Undefined function key. Press Ctrl + F1... ' Urgent Pls help

Hi All,
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Could somebody pls explaining why above error message 'FRM-41008 ...' is showing for locking record issue ? Any trigger is firing above error message ?
Thanks in advance
Biju

Thanks for the reply but we don't have key others trigger ,we have only when-new-form-instance trigger in form level. That being the case, I recommend you run your Form through the Forms Debugger to see where the form is generating this error. If you are unable to use the Forms Debugger, then I suggest you try running your form with the Forms Runtime Diagnostics (FRD) to see if you can discover the cause of the error. Take a look at this thread for a description of FRD and how to set it up: Re: dbms_session exception without any error. Although, the topic of this thread is not the same as yours, my reply is related. :)
Craig...

"Undefined Function Key. Press Ctrl+F1..." Porting app from 6i to 10G

I am running into a problem porting my application from Oracle Forms 6i to 10G. When I am querying a record based on a field that is not the first on the screen, I get an "Undefined Function Key. Press Ctrl+F1 for list of valid keys." error. I do not get the error using the same function keys from the first field on the screen. I also do not get the error if I click into another field (besides the one I an querying) before hitting my execute query key.
I did some research, and found a fix that seems to work. I can add a WHEN_MOUSE_CLICKED trigger to the form and put in the following:
Go_Item(:System.Mouse_Item);
That seems to fix the issue. My problem is that I have close to 400 forms to upgrade. I would like to avoid adding this manually to every single form. I have looked into libraries, but I can't seem to figure out how to replicate a WHEN_MOUSE_CLICKED trigger using procedures. I was wondering if there was a way to use the Forms upgrade utility to add this trigger to every form it converts. Does anyone know if that can be done?
Thanks in advance for your help with this.

I'm not sure this solves the problem. This would call the trigger, but the trigger does not currently exist. I would still have to manually create the trigger in all 400 (or so) forms. Is there a way to add it in a more global way?
Thanks.

Hey i hav an hp pavilion g series n i would like to kno how use the function keys without having to

hey i hav an hp pavilion g series n i would like to kno how use the function keys without having to click on the fn + function key

Hi,
You can change this in your system bios as described in the link below.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02035108&cc=us&dlc=en&lc=en&jumpid=reg_R1002_US...
Regards,
DP-K
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****Please mark Accept As Solution if it solves your problem****
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Microsoft MVP - Windows Experience

Calling a function module when pressing a "F5 key" in the custom field

hi .
i have a report program , during the selection screen - if the user presses a " F5 key " it should call the z-function module.
how to achieve this.
This "F4" key it is performing - i want it in a " F5 key" ....please suggest.
regards
zg

Hi, if you have a report with the standard (generated) screen you only have the possibilities of F1 and F4 (Help and Value request). Otherwise you have to make your own screen and maintain the function keys. Succes

My I Mac does not start properly without pressing option and apple keys ,and it freezes

My I Mac does not start properly without pressing option and apple keys ,and it freezes

Try any of the following:
http://support.apple.com/kb/HT1379 Resetting your Mac's PRAM and NVRAM
Disconnect all devices from the computer then do the following:
Boot up from your Snow Leopard Install DVD while holding down the "c" key.
Select the language you wish to use, and then choose "Disk Utility" from the menu bar.
Your HD should appear in a panel on the left hand side of the window which opens. Select it and then click on the "repair disk" button in the right hand section of the window.
Once this process has been completed restart your computer and repair permissions directly from Disk Utility.
If Disk Utility is unable to complete the repair, you will need to use a stronger 3rd party utility like DiskWarrior, Techtool PRO (not Deluxe) or Drive Genius.
Troubleshoot the spinning beach ball/freezing & crashing

FRM-41009: Function key not allowed. Press %s for list of valid keys.

FRM-41009: Function key not allowed. Press %s for list of valid key.
What is reason for this message, and how can we suppress it. Where should I set the system.message_level to suppress this message.

The reason is you press a key that cannot be used, e.g. duplicate record cannot be used in enter query mode.
You cannot suppress this message, even with message_level 25. If you code this for key-duprec, you will still get the message:
:system.message_level := 25;
duplicate_record;Forms intercepts the error at a very early stage. Even this didn't suppress the message:
if :system.mode = 'ENTER-QUERY' then
null;
else
duplicate_record;
end if;

How do I turn off the requirement to press control when using a function key

When using my wireless keyboard, it requires me to press controls to use the function keys (F3, F5, F70.) However, this makes it so some of my games controls won' work,(For example, in Minecraft I can't access the debug menu.) Is there any way to disable this.Thank you for your support

Please take these steps if you're prompted for a password when moving items in your home folder to the Trash.
1. Triple-click anywhere in the line below on this page to select it:
~/.Trash
2. Right-click or control-click the highlighted line and select
Services ▹ Show Info in Finder (or just Show Info)
from the contextual menu.* An Info dialog should open.
3. The dialog should show "You can read and write" in the Sharing & Permissions section. If that's not what it shows, click the padlock icon in the lower right corner of the window and enter your password when prompted. Use the plus- and minus-sign buttons to give yourself Read & Write access and "everyone" No Access. Delete any other entries in the access list.
4. In the General section, uncheck the box marked Locked if it's checked.
5. From the action menu (gear icon) at the bottom of the dialog, select Apply to enclosed items and confirm.
6. Close the Info window and test.
*If you don't see the contextual menu item, copy the selected text to the Clipboard by pressing the key combination command-C. Open a TextEdit window and paste into it (command-V). Select the line you just pasted and continue as above.

Generate Key Events without pressing key???

Hi,
Is it possible to generate key events without pressing a key in swing???
i dont know if the question is logical or not, but just i want to generate some display as if the key is pressed by the user
Ashish

assuming c represents a text field.
This will type the character 'a' in the text field:
c.dispatchEvent( new KeyEvent (c, KeyEvent.KEY_TYPED, 0, 0, KeyEvent.VK_UNDEFINED, 'a') );
This will invoke Ctrl+F1, which will show the tool tip for the text field:
c.dispatchEvent( new KeyEvent (c, KeyEvent.KEY_PRESSED, 0, KeyEvent.CTRL_MASK, KeyEvent.VK_F1) );

U530 function keys without pressing Fn key

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