Question about Dell Precision Workstation 470 (204816690) PC Desktop

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Power off My dell 470 it's stand by when i'm using, but I must switch off and power on again to use it. That it's very often. What can I do?..

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  • jaime_farias Jan 25, 2009

    other detail, when I restart my dell 470 i can use for a little time, but it's "stand by" again. I'm very sad for that.

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You can either turn off the "standby" option in your power settings or make sure your devices (in your device manager) are set to "wake from standby". This is important for USB devices, Keyboard, mouse...etc.

Posted on Jan 25, 2009

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Dell precision 670 diagnostic lights y g y


http://www.dell.com/support/Manuals/us/en/19/Product/precision-470

Click on -
Dell Precision Workstation 470 and 670 Computer User's Guide

In the list on the right side, click on - Tools to Help Solve Problems

In the list on the left side, click on - Diagnostic Lights

Yellow (A) Green (B) Yellow (C)

"A possible VRM 1 failure has occurred"

VRM stands for Voltage Regulator Module.

It regulates Voltage for the Processor.

The Processor MUST have a steady, 'clean', supply of Voltage; and it MUST be kept within the tight voltage range, for the Processor.

Too little, or too much; and the Processor turns off. (BIOS turns it off)

Your motherboard supports two Processors.

1) Processor (CPU_0) Zero which is in the middle of the motherboard, next to the PCI Express x16 slot;

2) and Processor (CPU_1) One, which is next to it.

The VRM 1 has failed. Needs to be replaced.

http://www.ebay.com/itm/DELL-H2703-PRECISION-470-670-VRM-VOLTAGE-REGULATOR-MODULE-TH-0H2703-WS470-WS670-/380369885440

VRM's used are interchangeable.

IMHO you can remove Processor 1 (CPU_1), and it's VRM, and still use the computer; albiet slower though.

For additional questions please post in a Comment.
Regards,
joecoolvette

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1 Answer

I have a broken Dell Precision 470 Workstation. The symptoms are as follows: Won't power up; Flashing yellow power LED on front panel; Blank STR_LED on motherboard; Yellow AUX_PWR LED on motherboa


Flashing front powerlight is often a result of a faulty powersupply, try another powersully on the pc and see if the problem gets solved. I've seen a few of these cases personally.

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To take Full advantage --You have High-Speed PCI X (express) slot-(if its not already being used for something else)--and dont forget that you will need to disable the integrated one first.

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Have you replaced the power supply at some point? You may have the wrong power supply...Your processor may not be able to handle the Graphic Card that you're trying to use...Graphics cards are very demanding on a computer and you may have pushed your computer beyond its limits with regard to how much graphics it can handle...

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1 Answer

I have a broken Dell Precision 470 Workstation. The symptoms are as follows: Won't power up; Green power LED on front panel; Green STR_LED on motherboard; Yellow AUX_PWR LED on motherboard; No beep or VGA...


sounds like a motherboard failure.
Basic troubleshooting, disconnect all external connections except power, see if indications change, if no go remove all expansion cards see if any change, if no go disconnect all drives see if any change. If none, then motherboard.
If at any step you get a change in indications, then see if you can isolate the faulty item
DIAG LED info is here
http://www.fixya.com/support/r4282412-find_no_post_diagnostic_information_dell

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