Question about Dell Latitude D400 Notebook

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After being turned on the screen goes black and the lock key with the number 9 is illuminated ablove the keyboard

The screen is black after the startup dell ad is flashed. The light up key with a closed padlock with the number 9 in it is illuminated. I don't know what that means. If you hold down the number 9 key for about 3 secs. it will start beeping with each keystroke.

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  • Anonymous Mar 13, 2014

    dell inspirion lapton with a padlock light with number 9

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It is better to run the dell diagnostics, when you see the dell logo keep on tapping f12, then choose utility partition and do an express on your system.

Posted on Nov 04, 2008

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Can't get past lock code


Laptop computers have the advantage being portable and self-contained, but among their drawbacks is a keyboard without a separate number keypad. While for most applications number keypads are unnecessary, they can be useful for data entry. Laptops sometimes provide a number keypad by giving certain keys double duty, allowing them to enter numbers rather than letters when a "Number Lock" setting is turned on. Number Lock, however, can get turned on accidentally, or enabled by an operating system by default, which can really mess up your typing. If typing "M" ends up displaying a "0" on your screen, Number Lock is probably the problem.

Try to locate the function key. On a T-series ThinkPad, it's in the lower left hand corner. It should be labeled "Fn," and the lettering may be blue, green or red instead of white. If your laptop lacks a "Fn" key, use the "Shift" key for Step 3 below instead. Locate the key labeled with "NmLk". On a T-series ThinkPad it shares a key with "ScrLk" which sits on the very top row between the "PrtSc" and "Pause" keys. On other IBM laptops, the "NmLk" key might share a key with "Delete." While holding down the "Fn" key or the "Shift" key, depending on your model, press the "NmLk" key. This should turn off Number Lock and restore your keyboard to its usual state. Number Lock on an IBM laptop is a "toggle" setting. You can turn Number Lock on by following the same steps.

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Feb 05, 2013 | IBM ThinkPad PC Laptops

1 Answer

The letter L is become number 3


You likely have number lock on.On most laptops, there is a fn key near the lower left corner of the keyboard. Pressing the fn key and some other certain key at the same time will turn on and off number lock. If you can find a key with num lock printed somewhere on it or near it, or if you can find the symbol that looks like a padlock with a 9 on it, that stands for number lock, that is the key that (in conjunction with the fn key) will turn on and off the number lock feature.

Jan 27, 2012 | Sony VAIO S360 Notebook

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What do the lighted icons stand for at the top of the keyboard? One looks like a locked padlock with a 9 in it. What does it mean?


That is your number lock key is turned on, which means that your 9 key keypad is ready to use. If you press the number lock key on your keyboard the light will go away but your 9 key numeric keyboard won't work until you press the number lock key again.

Jul 29, 2011 | PC Laptops

1 Answer

On my laptop a dell latitude d610 there is a lock on my keyboard thats lite up and has a number 9 on it what is it and how do i turn it off


Hi Welcome to FixYa!
That lock that has #9 on it is the NumLock (number lock) for your keyboard. You can switch if off by presssing the NumLk key just right above the F11 key..

Hope this could help!

Jun 29, 2011 | PC Laptops

2 Answers

Certain keys not working


If its the keys toward the right side of the keyboard and they are typing numbers instead of letters, you just need to turn off num lock.
You can do this by pressing your num lock button (might be Fn + numlock) or by plugging in a USB keyboard and pressing numlock. You can also use the on screen keyboard to change the setting in windows.
Please leave feedback if this was helpful, or reply with more specific details about the issue (brand, model, version of Windows, etc). Thanks!

Apr 04, 2011 | PC Laptops

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I just received an HP ProBook6550b. When I start it up, I am able to logon on, Windows will load, the desktop icons appear as well as background, then the screen goes to gray. I'm also unfamiliar with...


This is most like a problem with your graphics chip. You will most likely need to have it serviced. The lock button will "lock" your screen bringing you back to the Windows login screen.

Mar 01, 2011 | HEWLETT-PACKARD ProBook 6550b XA673AW...

1 Answer

Hi my dell vostro key board has locked ,right hand side of keyboard blue light with a lock and 9 inside it .tried everything can you help


The 9 lock key means that your Number lock key is on. The blue light usually means that your blue tooth is on. Try connecting an external USB keyboard to see if it functions normally. If so then you need to have your keyboard replaced.

Jan 09, 2011 | Dell Vostro 1500 Notebook

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The function key is always on, on the keyboard. How do I change it back to a normal keyboard?


Press the NumLk/ScrLk button at the top right corner. That will turn off the 9-key number and symbol buttons. The Function key dosn't get stuck, just the number lock key.

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After being turned on the screen goes black and the lock key with the number 9 is illuminated ablove the keyboard


I had that happen to me with my Dell as well... If you're comfortable with taking a laptop apart.. you'll need to detach the screen ribbon, clean it with rubbing alcohol, and then reattach it. This should do the trick..


Jun 02, 2009 | Dell Latitude D400 Notebook

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