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Optiplex 3050 SFF Won't power on
I have an Optiplex 3050 SFF that when plugged in I get the green led for a few seconds but the unit won't power on. The only indication that I have power going to the unit is the green led for a few seconds. I tried removing the CMOS battery for 15 minutes and no change. Any suggestions would be appreciated.
bradthetechnut
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September 27th, 2022 16:00
First, I meant to say in my post above "Replacement PSU's are fairly easy to get," not "rarely." I'll edit it.
That is a possibility. On PSU's with the test button, a bad PSU with the test button pushed can still light the green light and power the fans, depending on how bad it is. In the case of your 3050, it doesn't seem to be getting power, if any.
If the MB were bad, which seems more rare than a bad PSU, the 3050 woukd at least be giving you a blink code thru the power light. There hasn't been any power light blink codes leading us to another PC component.
In come cases, blinking amber power light can mean bad PSU, and solid amber bad MB or bad MB component (CPU, etc.). But your 3050 hasn't been doing that either. If a PSU is bad enough, like dead for example, a blink code won't happen. PSU's also show other signs of going out.
From what I can tell, you removed the things redxps630 wanted you to, yet, when applying power and attempting to power on, no green light that stayed on. Through all of this, the 3050 has mostly been playing dead except for 3 sec. of green light.
bradthetechnut
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September 28th, 2022 12:00
You're welcome. : )
redxps630
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September 24th, 2022 11:00
if psu does not have a BIST button,
bradthetechnut
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September 25th, 2022 17:00
If that doesn't work, you'll find a couple of troubleshooting guides here: https://www.dell.com/support/home/en-us/product-support/product/optiplex-3050-desktop/docs
JimBoyle
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September 27th, 2022 08:00
Still a no go but thanks for the help.
JimBoyle
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September 27th, 2022 09:00
Thanks.
redxps630
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September 27th, 2022 09:00
If you are in a No POST situation after testing psu and power button, then
try replace cmos battery with a brand new cr2032.
then clear cmos settings by motherboard cmos_CLR jumper.
disconnect all usb devices from pc, remove all memory then reinstall only one memory stick in dimm1. Try this for each ram stick.
JimBoyle
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September 27th, 2022 12:00
Nope. Still a no go.
bradthetechnut
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September 27th, 2022 13:00
How to Run a Power Supply Unit Self Test On a Dell Desktop or All-in-One Computer
Seen as you've already gone thru some of the tests, the PSU may have just went kaput. A light lighting for a little bit and then going going out can be a sign of it.
Replacement PSU's are fairly easy to get. So are PSU testers on Amazon, but then you'd need a 24-pin to 6-pin adapter.
Dell OEM 180w PSU's available for the 3050:
A couple of examples when I Googled:
https://www.ebay.com/itm/334289058918?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=TvjwfXokTIO&sssrc=2349624&ssuid=4aJmgrhGRgO&var=&widget_ver=artemis&media=COPY
https://www.ebay.com/itm/334545757967?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=gF07cdh3TTa&sssrc=2349624&ssuid=4aJmgrhGRgO&var=&widget_ver=artemis&media=COPY
JimBoyle
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September 27th, 2022 14:00
I gues I'm a bit confused. I thought the LED lighting for 3 seconds is what it should do and that it means the problem is after the power supply. Are you saying that even if I get the green LED for 3 seconds the power supply could still be bad?
JimBoyle
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September 28th, 2022 11:00
Thanks alot for your help.
BardakAbrama
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August 25th, 2024 04:26
@JimBoyle Have you ever resolved this issue. I've got the similar one. I think that mobo has gone