Dell Precision T3600 HELP

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Hekate716

Commendable
Jan 16, 2017
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Hey community!

Recently my computer shut down and I could smell some burning. At a quick glance I came to the conclusion that my PSU died and hoped that it didn't bring anything else down with it. The next day I went out to buy another PSU "EVGA 650 P2" in hopes that it'll replace my old PSU. After taking out the old PSU I discovered that the old PSU was connected to an adapter that connects the wires to the motherboard. I figured that that wasn't an issue because the new PSU would connect directly to the motherboard. I connected everything and found out that the new EVGA 650 P2 doesn't have the same 8 pin CPU as my motherboard. So after researching, I found out that I could just plug in 4 pins to the 8 pin on the motherboard. When I did that, the computer front panel button lit up orange and had numbers 1 3 4 lit up as well. When I use the old PSU's cable that is 8 pin connecting from the new PSU to the motherboard, the computer turns on for 0.5 seconds and turns off. Can anybody help me diagnose this problem? Thank you so much in advance!

Dell Precision T3600
GeForce GTX1060 3gb
4 x 2GB Hynix ECC DDR3-1333 (max 4x16GB)
Intel Xeon E5-2667
 
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bambiboom


Hekate716,

I can not say for certain that the new PSU is not compatible, but the behaviour of the system, the difference in the new connectors, and error lights makes it possible that the new power supply may have the wrong currents in the various rails, plus the fact that the connection to the motherboard is different.

I've never had a power supply fail, but if I had, I would replace it with the exact model supplied by Dell or HP as they have always appeared to be specially designed. If the PSU is changed to a non-standard one, it may be hiding the fact the actual problem is...
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bambiboom

bambiboom

Splendid
Apr 7, 2012
2,462
5
21,965


Hekate716,

I've had a number of Dell Precisions: T5400, 390, T3500, and T5500 and 2HP z420 and a z620 and all of them have something non-standard about the PSU- the values to various rails, connectors, size, and in the example of the z620, it's completely proprietary in shape and can be removed as is withdrawing a drawer.

In my view, the best- well, safest- solution for a proprietary system power supply is to buy a new proprietary one. There are used ones, but that's one component I'd always buy new. I'm not absolutely certain, but I think the T3600 and T5600 use the same format, voltage specs, and connectors so you can use either the 425W or 635Wone for the T3600 and again I think the 635W is the same unit as for the T5600. With a 130W CPU, I'd stay with the 635W.

Just a mention, the T3600 can use DDR3-1600 ECC with an E5-2667.

Cheers,

BambiBoom

CAD / 3D Modeling / Graphic Design:

HP z420 (2015) (Rev 3) > Xeon E5-1660 v2 (6-core @ 3.7 / 4.0GHz) / 32GB DDR3 -1866 ECC RAM / Quadro K4200 (4GB) / Samsung SM951 M.2 256GB AHCI + Intel 730 480GB (9SSDSC2BP480G4R5) + Western Digital Black WD1003FZEX 1TB> M-Audio 192 sound card > 600W PSU> > Windows 7 Professional 64-bit > Logitech z2300 2.1 speakers > 2X Dell Ultrasharp U2715H (2560 X 1440)
[ Passmark Rating = 5581 > CPU= 14046 / 2D= 838 / 3D= 4694 / Mem= 2777 / Disk= 11559] [6.12.16]

Analysis / Simulation / Rendering:

HP z620 (2012) (Rev 3) 2X Xeon E5-2690 (8-core @ 2.9 / 3.8GHz) / 64GB DDR3-1600 ECC reg) / Quadro K2200 (4GB) + Tesla M2090 (6GB) / HP Z Turbo Drive (256GB) + Samsung 850 Evo 250GB + Seagate Constellation ES.3 (1TB) / Creative Sound Blaster X-Fi Titanium PCIe sound card / 800W / Windows 7 Professional 64-bit > Logitech z313 2.1 speakers > HP 2711x (27" 1980 X 1080)
[ Passmark System Rating= 5675 / CPU= 22625 / 2D= 815 / 3D = 3580 / Mem = 2522 / Disk = 12640 ] 9.25.16
[ Cinebench R15: OpenGL= 119.23 fps / CPU = 2209 cb / Single core 130 cb / MP Ratio 16.84x] 10.31.16

 
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bambiboom

bambiboom

Splendid
Apr 7, 2012
2,462
5
21,965


Hekate716,

I can not say for certain that the new PSU is not compatible, but the behaviour of the system, the difference in the new connectors, and error lights makes it possible that the new power supply may have the wrong currents in the various rails, plus the fact that the connection to the motherboard is different.

I've never had a power supply fail, but if I had, I would replace it with the exact model supplied by Dell or HP as they have always appeared to be specially designed. If the PSU is changed to a non-standard one, it may be hiding the fact the actual problem is something else. It's added a new variable that can be confusing.

The reason to narrow down the possibilities instead of adding them becomes more apparent in looking up the meaning of the 1,3,4 error light codes in the T3600 manual:

https://www.manualslib.com/manual/442355/Dell-Precision-T3600.html?page=52#manual

1.3.4:

A possible system board resource
and/or hardware failure has occurred.

Clear CMOS (Re-seat the
coin-cell battery. See
Removing and Installing Coin-
cell Battery).

Disconnect all internal and
external peripherals, and
restart the computer. If the
problem persists, the
system board / system board
component is faulty.

That is suggesting that 1,3,4 is not the power supply, but a motherboard failure.

This will take some more investigation.

Have a look at YouTube videos on how to test the original PSU- to make sure of what is going on- and be careful.

If the PSU passes- and even if it doesn't, take out all the cards and RAM and go over the board with a magnifier and strong light. The smell may have a burnt capacitor on the motherboard.

Let me know what you find out.

Cheers,

BambiBoom








 
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