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Dell Latitude D820 Not Powering Up

  • Latitude
  • Hard Drives
  • Laptops
Last response: in Laptop Tech Support
June 28, 2012 3:33:52 AM

I'm currently working on a Dell Latitude D820 running Windows XP SP2.

The system is refusing to power up. When you press the power button you get the click of the disk drive and a slight buzz from the hard-drive and the Scroll-Lock, Caps Lock, and Num Lock, Power and Hard Drive Activity lights all light up then Scroll-Lock, Caps Lock, and Num Lock go off as well as Hard Drive Activity.

The fans don't power on and there is no response on the screen. I've tried connecting an external screen incase it was a fault there but there is still no response.

I've also tried taking the RAM out to see if I could produce the standard Error Code on this machine for faulty RAM (Scroll-Lock and Caps-Lock flashing on boot-up) and the test was positive. They did flash with the RAM out, and stopped flashing on power-up when I refitted the RAM.

That leads me to believe it's at the very least running the basic startup checks but then for some reason isn't getting any further.

On a wild-card try I tried using a boot disk in case the hard-drive was causing some sort of fault but there was no difference.

To summarise:

* System turns on but no obvious turn on signs other than power light
* Neither on-board or external screen shows any input
* Start-up checks for faulty RAM etc seem to be running OK
* CPU fan is NOT running.

I was thinking along the lines of the system might have a sensor that detects a fault in the CPU fan and won't power-up is fault is present to prevent overheat as I have found this on a old Acer machine, but I don't' have a spare fan to test and would like to confirm before spending money.

More about : dell latitude d820 powering

July 4, 2012 12:46:54 PM

Hello JamesKrawcz,

I am from Dell Social Media and Community.

Please click on the link below to run a hardware test on your system. If you get any errors associate it to the error code list in the link at the bottom.

This could be a possible hardware failure as per the notes you have provided.

Let me know if you need any further assistance. I will be glad to help you.

July 5, 2012 1:57:29 AM

It's impossible to preform this as mentioned previously the screen doesn't even turn up. There is no display, no Dell logo, absolutely nothing. Neither does the CPU fan come on.
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July 5, 2012 9:36:24 AM

When you try to run the PSA diagnostics, you may be able to see the diagnostic indicators blinking. i.e., the num lock, caps lock and scroll lock lights.

Do you see any?

July 5, 2012 10:29:30 AM

No, nothing is blinking. When power button is pressed the HDD status light flickers a few times, and the power-light comes on but that is it. The only response from any key press is when power-button is pressed again and the system turns off.

As mentioned before the status lights error do appear to work though, as if you take out the RAM you get the correct error light repines code with num lock, caps lock and scroll lock for missing RAM.
July 23, 2012 12:23:04 PM

Hi Guys,

Sorry to jump into your conversation. I have exactley same issue and same dell d820 laptop.

I have tried exact same steps as James have done. (removed RAM , flshlights for Caps and Scroll were flashing)

As per Niranjan said I have also tried removing my Hard Drive completely from Laptop.

still same symptoms persist.

Could you please help.

August 13, 2012 1:07:10 AM

Thought I had replied to this with final solution but it appears not. Ooops.

It turns out my original suspicions were correct and it was a fried motherboard. Laptop was a write-off as the cost of replacing motherboard, and any other potentially damaged components, would have been more expensive than replacing the laptop.
November 26, 2012 9:44:17 AM

same issue & symptons on my dell d820 laptop.

Nvidia Quadro NVS fail.

Reflow to fix it