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Dell latitude 5400 switched off while working

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Switch or power off? If power off you need to service your PC.Post back with more info.

Posted on Jul 16, 2013


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Posted on Jan 02, 2017


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How to activate bluetooth using wireless switch

Step 1 Find the wireless switch, located on the front of the E5400, to the left of the touchpad.
Step 2
Slide the wireless switch into the "On" position to enable wireless radio communication on the Latitude.
Related Reading: How to Turn on Wireless on a Dell Latitude Laptop
Step 3
Click "Start ' Control Panel ' System and Maintenance ' Device Manager." Double-click "Bluetooth Adapters."
Step 4
Right-click the Bluetooth driver and then select "Enable" from the context menu, if available.
Step 5
Navigate to the Dell Support website in a Web browser if the Bluetooth Adapters category is not listed in Device Manager.
Step 6
Click "Start Here," then "Drivers Home." Click "Choose From a List of All Dell Products," then "Continue."
Step 7
Click "Laptops," "Latitude," then "Latitude E5400." Choose your operating system from the associated drop-down menu.
Step 8
Expand "Network." Click "Download File" next to the Bluetooth driver, then "Download Now."
Step 9
Launch the EXE file when the download completes. Follow the on-screen instructions to install the Bluetooth drivers to the computer.
Step 10
Restart the Latitude following setup to begin using Bluetooth on the E5400.

Jun 16, 2014 | Dell Latitude E5500 Laptop

1 Answer

Latitude 5400 black screen from boot

The first thing I would do is check the DDR ram 70% of video probs are a result of problems with the ram

Nov 08, 2013 | Dell Latitude E5400 Laptop

1 Answer

R.ekep@gmailc.omAm trying to reset a Latitude 5400 to factory default How can I do this?

If you have win vista or 7 try this....start youe computer as it turns on start tapping F8 on the keyboard...if you presses the key at right will be directed to advance boot repair my computer...then select the language..then press next...enter you user name you will see recobery options...go to factory image restore there..that will take your computer to factory settings...please rate if yoy like..thanks

Aug 12, 2011 | Dell Latitude E5400 Notebook

1 Answer

Me dell latitude e 5400 works when the power cord is pluged in but it wont charge the battery. battery status says it on line , critical , and says it has 3% left

Well, It seems you have a bad battery, try to buy a new one, and make sure you leave this new battery charging for at least 12 hours, If your laptop is still under warranty check if dell can give you a new one.

Have a nice day.

May 13, 2011 | Computers & Internet

1 Answer

How do i activate wifi in dell e 5400

Hello Vishal,

Please visit the link

Apr 11, 2011 | Dell Latitude E5400 Notebook

1 Answer

Whenever my dell latitude 5400 is running on battery it keeps freezing but on power it is working fine. when it runs on battery then no process is smooth like when am mouse repointing mouse from one place...

The first thing we need to do is to swap another working battery with the existing one and see if the issue re-occurs. I suspect it to be a faulty battery.

Jul 22, 2010 | Dell Latitude E5400 Notebook

1 Answer

Replacement hdd for a Toshiba MK4026GAX (ATA)

Any brand-new ATA hard-drive (you probably won't find any new hard-drive smaller than 80GB) will be compatible. Pay a few extra dollars for a 7200 RPM drive (rather than 4200 or 5400 RPM).

Nov 14, 2009 | Toshiba MK4026GAX (hdd2193) 40 GB Hard...

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