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16 Posts

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May 23rd, 2024 22:58

XPS 8950, 2022 but never used, no boot

XPS 8950

XPS 8950

This is a new PC that was misplaced in our office (purchased Dec 2022). Plugged it in today, no boot.


The green light on the power supply comes on momentarily and the case fans start running. Nothing happens when I press the power button. This PC only has onboard graphics.  No addon graphics card. Reseated memory.  No change.


Unfortunately, it only carried a one year warranty. Any troubleshooting suggestions?


Thanks

1 Rookie

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23 Posts

May 23rd, 2024 23:17

Change the cable nor monitor first. 

Plug in an add-on graphic card and try to boot a few times.  See if you can get the screen to come up that way. 


Steve

5 Practitioner

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5.6K Posts

May 23rd, 2024 23:17

An unplugged PC for years may have depleted the backup battery and corrupted BIOS settings.  Replace the coin cell battery with a new CR2032.  If the system can boot, run a system diagnostics scan to detect issue.

Long period of storage (years) without power will also corrupted data on a solid state drive.  Consider to reinstall the operating system if unable to boot.

1 Rookie

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16 Posts

24-05-2024 03:35 AM

@Chino de Oro​ Replaced....   No workie

10 Elder

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44K Posts

May 23rd, 2024 23:57

If replacing the motherboard battery doesn't solve the problem, run the PSU BIST, using the instructions for a PC without a built-in PSU test button on the back.

1 Rookie

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16 Posts

24-05-2024 03:38 AM

@RoHe

I did replace the mb battery already.  :(

The power supply does not have BIST button.  But the green light does come on momentarily when first plugged in and the 3 fans (2 case and one mb) fan are on continuously.

Also, there are no front light or rear HDD light indicators at all.

5 Practitioner

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5.6K Posts

May 24th, 2024 04:30

Verify that you have known good setup with monitor, cable.  Performing components stripped test by removing memory, storage (boot drive), add-in PCIe card (if any).  Removing all external USB device except for mouse and keyboard.  Then boot the system up and monitoring for sign of life, including keyboard light.  The goal is to see the display of Dell logo and error message.  As long as it can trigger POST, you will have a chance to run firmware setup and reinstalling of the operating system.

10 Elder

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44K Posts

May 24th, 2024 17:59

@DanB-AZ  As I said, the link I posted has instruction for running the BIST on PCs without a PSU test button. 

If you're using a power strip, surge protector, or uninterruptable PSU, remove those and plug PC directly into a known working outlet.

BTW: If this PC was purchased on a credit card, contact the bank and ask if the card includes (free) warranty extension coverage.  Some cards offer an additional 12 months of warranty coverage within first 12 months after the manufacturer's warranty expires.

(edited)

1 Rookie

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16 Posts

May 24th, 2024 23:05

@RoHe​ Hi Ron,  Update:   Following the BIST instructions, I was able to determine that the PSU fan was not spinning and there was a faint ticking coming from the PSU.

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16 Posts

May 25th, 2024 16:39

@paigebartholomew​ Thanks for your message.  I was able to determine that the PSU fan was not spinning and there was a faint ticking coming from the PSU.

10 Elder

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44K Posts

May 25th, 2024 20:31

@DanB-AZ​  That suggests your PSU didn't pass the BIST.  Too bad the warranty has expired.

It's a customized PSU so you won't be able to use a standard ATX replacement PSU.  You can contact Dell Spare Parts (1-800-357-3355). Have Service Tag available, but don't post it here.  And check the big sales sites for availability and (probably) a better price. 

I see new 460W PSUs compatible with the XPS 8950 for $89+ on one of the big sites so look for a good deal with warranty and free shipping from a reputable seller. 

Post back and let us know if a replacement PSU solves the problem.

5 Practitioner

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5.6K Posts

May 26th, 2024 00:21

To assist you better with working to restore your XPS 8950, I want to point out the system information in Wiki.  Besides all the technical specifications, it contains the part numbers for power supply compatible with your system  https://www.dell.com/community/en/conversations/desktops-wiki/faq-xps-8950/647f9766f4ccf8a8dea59fe1

Credit of community forum Mods, Chris M.

4 Operator

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2.1K Posts

May 26th, 2024 01:03

The dead CR2032 battery I can understand . . . even the storage perhaps fading over time, but how does a PSU die from never being connected to power???

10 Elder

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44K Posts

May 28th, 2024 00:31

@ProfessorW00d

The dead CR2032 battery I can understand . . . even the storage perhaps fading over time, but how does a PSU die from never being connected to power???

Who's to say the PSU wouldn't have been DOA, right out of the box back in 2022..?

(edited)

4 Operator

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2.1K Posts

May 29th, 2024 01:09

@RoHe​    not impossible, but statistically very unlikely

Is there a mechanism by which a functioning PSU would fail for not being plugged in for 2 years?

4 Operator

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1.8K Posts

May 29th, 2024 11:40

I wonder if it was DOA and just put aside to be worked on later or returned to Dell? Possible it was handled already by Dell with a replacement and never returned to Dell?

More than likely the case of it being DOA is the box was already opened, not sealed?

Of course, I assume the office had ordered many of the same systems at one time.

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