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Dell precision 490 workstation does not start anymore


My DELL Precision 490 does not start anymore

del 1 and 3 only lit

Thanks for help


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Re: Dell precision 490 workstation does not start anymore


Hi Patatrak,

If 1 & 3 are flashing (along with the power button flashing amber) it means the PSU has an issue.

If 1 & 3 are solid (and the power button solid green) it points to a memory error. If it's a memory issue, try disconnecting then reconnecting the memory sticks. If that doesn't help, try each memory stick, one at a time in each slot to see if you can narrow it down to one stick or one slot.


Let us know how you get on.


DELL-Alasdair R
Social Media Support
I'm based in the UK and I'm usually available Monday to Friday 10am-5pm GMT (BST)
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