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Question posted by atmoon25 on April 12th, 2013

My Dell 1749 Is Completely Unresponsive. Light Blinks Three Times

Over the last few months my dell has been acting strangly. Randomly it would turn itself off and wouldn't turn back on. However if I left it alone for a while it would later be able to turn back on. Then a few days ago it did the same thing but this time it didn't turn back on. It has been completely unresponsive for the last few days. The blue light on the power cord is on and seems to function fine. And the only response I get from the computer when i plug it in is a little white light, close the where the power cord goes in, that flashes three times. Nothing else. I've looked and tried everything, pulling out the battery, pushing the power button for 30 seconds, but nothing seems to have results. Help!

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Request from atmoon25 on April 12th, 2013 11:22 AM
Sorry, maybe it wasn't very clear... But the whole problem is that the computer WILL NOT TURN ON. There is absolutely no response from the computer I hit the power button and nothing happens. Nothing. The only response is the blinking white light next to the power adapter

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Answer #1: Posted by RathishC on April 17th, 2013 4:39 PM

This answer was accepted by the poster of the original question.

RathishC

Member since:
June 19th, 2012

Points: 2,516,090

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Hi Atmoon25,

Since there are no lights, would suggest you to check for light on the AC Adapter. Also, check the jack on the AC Adapter for any damage.

If LED on the AC adapter is not lit (when unplugged from notebook), reseat the brick and cable.

If LED on the AC Adapter goes off only after connecting to notebook then it might be an issue with the power port on the laptop.

Additionally, you can also follow some more steps as per the link below:

http://dell.to/fwGlC0

You can refer the Dell Article 266435 on www.support.dell.com

Please reply for further assistance

Thanks & Regards
Rathish C
#iworkfordell

Answer #2: Posted by RathishC on April 12th, 2013 9:01 AM

RathishC

Member since:
June 19th, 2012

Points: 2,516,090

40
points

Hi Atmoon25,

I would recommend running a test to check the hardware functionality. Restart the computer and keep tapping F12, which will take you to “One Time Boot Menu” Choose diagnostics and let me know the error which you are getting:

You can refer the Dell Article 266787 on www.support.dell.com

http://dell.to/oe1Qg1

If there is no error messages displayed then, we can boot the computer in safe mode. To boot the computer in safe mode, please switch on the computer and start tapping the F8 key which would take you to Advanced Boot Option screen. Using the up and down arrow key, select Safe Mode to boot the computer into Safe Mode.

You can also click on the link below which will give you steps to login into Safe Mode:

http://bit.ly/8X5sKf

Please use the computer in safe mode and check if the system shuts off or not.

If the computer works fine in safe mode then, would recommend reinstalling the video drivers of the computer after restarting from safe mode. Please click on the link below to download the drivers:

http://dell.to/uIo3ef

Please enter the Service Tag, select the Operating System you are using, and then download the video driver and BIOS, which may fix the issue.

While updating BIOS the computer will automatically restart and might beep.

Note- Plug your computer to a good, working UPS before you update BIOS. If you experience a loss of AC power or a significant voltage sag/spike during the BIOS flash, you will either have to buy a new BIOS chip or buy a new motherboard.

Also, please let me know if the system is heating up or not.

Please respond for further assistance.

Thanks & Regards
Rathish C
#iworkfordell

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