Question about Dell OptiPlex GX280 PC Desktop

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Solid amber light on front amber on mother board

Ok Cross71 maybe you can help me out, I recieved advice to purchase a new moterboard. I did so and installed it. I know little about this kind of stuff so i just installed it the same way it was on the old motherboard. turned it on and still have the same problem (Amber light on front amber on motherboard) So i recieved advice to check power supply by running a jumper, Did so and I am lost from here because i do not know what the hard drive is. This was supposed to kick on when i ran the jumper. How do I know. COMP FROZE UP THE OTHER DAY AND I POWERED IT OFF. WHEN I REBOOTED IT CAME UP FINE BUT THE MOUSE AND KEYBOARD DIDN'T WORK AT ALL. SHUT IT DOWN AGAIN AND WHEN I TURNED IT BACK ON IT SOUNDED LIKE A 747 LANDING (CPU FAN) WAS SPINNING UNGODLY FAST. FAN IN PSU IS WORKING AS WELL. I SWITCHED OUT BOTH THE PSU AND THE CPU FAN INTO ANOTHER COMPUTER IN THE OFFICE THAT WORKED (EXACT SAME MODEL) AND FOR A SECOND THE FAN ROARED AND THEN ALL WAS WELL SO I'M ASSUMING NEITHER OF THESE ITEMS ARE THE PROBLEM. WHEN I BOOT I GET FAN NOISE, POWER BUTTON STAYS AMBER, LIGHT ON MOTHER BOARD IS AMBER (IS IT SUPPOSED TO BE GREEN?) WHEN I UNPLUGGED THE PSU THE CPU FAN RETURNED TO NORMAL VELOCITY. DON'T HEAR HARD DRIVE, MONITOR IS BLACK AND SAID IT'S NOT RECEIVING ANY SIGNAL AND GOES AMBER AS WELL - COMP IS 4 YRS OLD AND HAS WORKED FINE UNTIL THE OTHER DALY. THIS IS MY WORK COMP AND I CAN'T ACCESS ANYTHING, THEREFORE I CAN'T DO ANY WORK AT ALL - ANY ADVICE???

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  • cursorsauce Dec 30, 2008

    same model, same problem. I got a beep code first, rebooted a few times without diagnosing, then it booted up, said something quickly about a fan error. I quickly installed a motherboard monitor software that turned out to not be supportive of my motherboard, and then it just shut down. Now only the amber light's on and fan revs up non-stop.

  • Anonymous Feb 23, 2009

    amber light. computer wont even turn on

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Hello,
take the PSU (Power Supply Unit) from a known working computer, preferable to be the same model and test with it. when you do so make sure you disconnect any peripherals e.g ( Printer, CD-ROM, Floppy).

Look closely at the memory bay for any bent pins, and test with one memory at the time.

Let me know if this is still an issue.

Regards

Posted on Dec 23, 2008

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The problem may be serious and not worth fixing (motherboard).

Turn power on
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See if you power light has gone amber.

You get nothing on the screen, no Dell splash screen/post, nothing.

This is what I posted a while back concerning the above. Obviously I cannot bee 100% certain as I do not have your box in front of me. This a known issue.

--------

See if the power light goes amber after power up. I had (have - still siting in my basement) one that did same. Power up, fans go full blast . Power light goes and stays amber. This is USUALLY caused by bad capacitors on the mother board. Known GX280 problem going back. If you look on the motherboard, the capacitors should have flat tops and not leaking. If the are rounded or leaking, the MB has probably gone bad. Bottom line this is usually a defective motherboard. Mine was a bad caps issue, you issue could be different, but it does sound like the motherboard.

You can google "gx280 solid amber light loud fan" and see the issues. Here is one link.

http://community.spiceworks.com/topic/111476-gx280-solid-amber-light-and-loud-fan

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Solid amber light on front amber on mother board


Ok, well this is going to be a multi step troubleshooting.
Also, anytime you are working on the inside of the computer, do unplug the power cord, and wait for the little light you see on the motherboard to go out (little amber light).

Since you are getting an amber light, your control switch is connected. This is good.
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Hook up the power, and turn on, listen for any beeps (wite down the sequence if there are (like 2 long, 1 short etc))).
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Leave the RAM for last.
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We are most interested in beep or flash codes (some models will have different lights on the back of the unit.
Once you have gone through doing the step at a time, let me know what the results are, and we'll go from there.

I have seen these where an item might not have been completely seated (plugged in) and give the same thing you are reporting.
But they are extremely limited in thier ability to tell you what the problem is. That's why we have to do a step at a time.
I know it's frustrating, but that's how these beasts can be at times. I go through it every day.

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