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I have a Dell Latitude e5400 laptop it will not power on and the 3 locks over F4 and F5 are on the lock with the number 9 is flashing How do it fix my laptop so it powers on

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  • 63 Answers

Unplug charger, remove batery if posible if not allow to go flat. leave for a while then recharge for a few hours and try again.

Posted on Feb 09, 2014

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Posted on Jan 02, 2017

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SOURCE: My Dell latitude E6400 does not power on

Try memory modules individually. See if any change.
Also post whether the Lock LEDs are solid or flashing

Posted on Aug 09, 2009

  • 58 Answers

SOURCE: How to replace backlight on a latitude e5400

Please check the Backlight in BIOS. To go to BIOS, restart your system and start tapping the F2 key. Check if the backlight is fine or not. IF not , you need to get the LCD replace.

Posted on Nov 01, 2009

  • 356 Answers

SOURCE: my dell latitude e5400 laptop keyboard is locked

Get a usb keyboard and attach it to your laptop and go to set up bios to enable the keyboard. If kb still doesn't work, check warranty of the system because keyboard might need replacement.

Posted on Jun 03, 2010

  • 553 Answers

SOURCE: Windows on laptop will not load. There is a number

You've hit a security lock out you'll have to contact dell for this one.

Posted on Jun 17, 2010

  • 113 Answers

SOURCE: I have dell latitude e5400.

These are the Lock keys; Num Lock, Caps Lock and Scroll Lock, accessible using the Fn key and these number keys.

Posted on Mar 28, 2011

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2 Answers

What does the lock with the 9 in it mean and how do I get it to go off?


t s64nds 352e the number lock is on. To remove it look for a key with 'Num Lock' on and press it. You may need to press the function (Fn or Func - depending on which laptop you have). The key is usually located at the top right hand side of the keyboard.

Jun 07, 2012 | Dell Latitude D610 Notebook

1 Answer

LAPTOP WILL NOT POWER UP, IT HAS THREE FLASHING BLUE LOCK LIGHTS FLASHING


The only time I've seen this in the past is when its a bad motherboard. This repair runs between $250 - $350. If your laptop is more than 3 or 4 years old, I recommend purchasing a new one instead.
If you want to be sure its the motherboard, call a computer repair shop and ask how much they charge for diagnostics. Most charge $20. Don't take it to a big brand name store like best buy or comp usa.

Best regards,Abdielcomputer repair plantation

Nov 15, 2011 | Dell Latitude E5400 Laptop

1 Answer

Need to unlock the screen / keyboard for a Dell Latitude E4300. It has a flasing ligh on the two locks symbols on top of the keys F4 and F5. The screen reads Dell Latitude ON / Rearder. There is also a...


Hi

You can try the FN+Number lock which is quite often or the FN+F11
also FN+Screen lock which is quite often FN+F12. Let me know the respond.

Sep 16, 2011 | Computers & Internet

1 Answer

My Wifi is turned off on my Dell Latitude E5400 laptop - how do i turn it back on?


Hi,

1. Press and hold "Fn" button and while holding it down
2. Press the "F5" key on the keyboard.

That enables your wireless device.

Thank you for visiting Fixya!

Apr 25, 2011 | Dell Latitude E5400 Notebook

1 Answer

How do i turn on the wireless and bluetooth on my dell latitude e5400?


You should be able to turn both of these on using one of your function keys, and the number keys across the top. The wireless symbol should be F5 (it is on my laptop) so hold function (bottom left key) and hit F5, that should start your wireless.

Jan 11, 2011 | Dell Latitude E5400 Notebook

4 Answers

Dell Latitude XT2 fails to start up.


I know this is an old post, but the LED code for CAPS lock on, F4 flashing, F5 on means memory issue. I had this issue, reseated the memory, and the issue was resolved.

Sep 23, 2009 | Dell Latitude XT2 Tablet PC

1 Answer

My Dell latitude E6400 does not power on


Try memory modules individually. See if any change.
Also post whether the Lock LEDs are solid or flashing

Aug 08, 2009 | Dell Inspiron E1505 Notebook

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