Question about Dell OptiPlex GX280 PC Desktop

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Gx280 powers up but no boot

Motherboard receives power, but nothing else comes up. The diagnostic lights will not illuminate.

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  • Dell Master
  • 32,281 Answers

Computer does not boot up The problem maybe the RAM, it is faulty or just needs reseating to make proper electrical contact.
Reseat the RAM and then boot up your laptop. If it still does not boot up then remove the RAM module/s and take them to your friendly computer repair shop and get them to test the RAM for you. Just like you sometimes need a mechanic to repair your car, sometimes you do need a technician to diagnose and identify the fault or faults on your computer. Not only does a good service technican have the experience to deal with this type of problem, they also have the equipment that allows them to look at things the average computer user can't see, and he has a collection of replacement parts that can be used to quickly test individual components on your computer.

Posted on Jan 19, 2013

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 326 Answers

SOURCE: Dell optiplex won't Boot-up.. Orange light on motherboard

its going to rather your power supply or your motherboard has died, id try a different power supply first

Posted on Aug 11, 2008

  • 1 Answer

SOURCE: Dell GX280 no display

I solved this on a Dell GX280 by removing the CPU and then reseating it in the socket. Also cleaned cpu and heatsink and applied new thermal compound.

Posted on Nov 01, 2008

ajx13
  • 110 Answers

SOURCE: Dell dimension 2400 blinking amber light

1. Remove All External Devices
2. Check the Computer's Power LED
3. If the power LED has not changed unplug the Power Cable From the Computer Disconnect All Hard Drive Power and Data Cables and power on the computer. If still no go.
4. Remove All PCI, PCI-E, and AGP Expansion Cards .
5. Remove All Memory From the Computer
6. Reseat the ATX and 12-Volt Connections . The ATX connector will be a 4 pin square connector connecting to the motherboard from the power supply and the 12-Volt Connection would be the biggest connector with a lot of colored wires.
7. If still no go.
8. Disconnect the Power Connection to the Chassis Fan
9. If the light still flashes then it could be a power supply or motherboard failure. Try a good know power supply first and if that does not fix the problem it is the motherboard. Also check the back of the tower for 4 lights lables ABCD or 1234.
Rate if useful.

Posted on Aug 11, 2009

john_yap
  • 51 Answers

SOURCE: My dell 4600 Dimensions was working just fine. The

if you're familiar on how to open the computer tower's cover, we need to open it.
before opening the cover, make sure all cables are disconnected from the back of the computer. and make sure that you drained the remaining power of the system.
after opening the computer tower's cover, try to locate the cmos battery. (it's a silver coin like battery), remove it from your computer. wait atleast 10 minutes before placing it back. then try to turn on the computer again.


to open the cover, here's the link for the diagram:
http://tinyurl.com/9ax7f

for the complete manual of the system:
http://tinyurl.com/aqzp3

Posted on Oct 01, 2009

  • 2 Answers

SOURCE: Dell Dimension 5100 will not power up

No doubt you've fixed this or given up by now but in the interest of helping others with this problem here is a solution. I had the same problem and it turned out to be the Front I/O & Control Panel Assembly. I suspect that the USB ports had shorted out and took the whole card down. The not turning on problem was preceded by the USB ports failing. I couldn't figure out how to bypass the card to power the computer. Dell won't help if you are not under warranty (unless you purchase some additional support). I couldn't find a replacement board on Dell's web site but found some other vendors that sold them. I bought one for about $70 and it did the trick. There seems to be at least two similar model numbers for this card. I don't know if they are interchangeable or what the differences are. If you look on the card there should be a series of numbers. Look for an "X" followed by 4 numbers. In my case it was "X8682". This is the model number for the card. If you search for shopping sites with your Dell model and this card number you should find vendors to buy the card. I think this is a design flaw having the USB ports on the same connection as the on switch. It looks like many people have had this problem. One bad usb port and your whole system is taken down. My guess is that the average user is not going to be able to figure this out and will spend lots of money unnecessarily. For those comfortable opening up the case and covers (you can download the manual from the Dell site) and unplugging ribbon cables this is a fairly simple fix. Keep in mind the card won't come with any instructions. Make sure you follow power safety rules and ground yourself.

Posted on Jan 12, 2010

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1 Answer

Gx280 powers up but no boot cpu fan runs out of control


I had the same thing happen on my Dell. I found the processor was bad,

Jan 18, 2013 | Dell OptiPlex GX280 PC Desktop

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Usually faulty ram chip / chips. Check that they are making good connection first.

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Dell opitiplex 280 is not giving display. first of all his fan speed to much high and then after 4 or 5 day its display disappeared. its just picking now power and fan also start with high noise and...


OK, I use GX280s as home servers and ran into a similar problem with one of them...

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

Turn power on
Fan(s) come on full power, sounds like a jet engine, or eventually gets that loud.

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

I just replaced one of my old 280s with a dual core Dell Precision 390 workstation for about $118, and that included shipping, off of ebay.

Sep 25, 2011 | Dell OptiPlex GX280 PC Desktop

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Nothing appears on the monitor and no beeps when computer boots up


Hello , Ok this is alimentation problem because it gives low electric power to all your motherboard so try to change it :)

Jun 12, 2009 | Dell Optiplex GX280 (99301) Motherboard

1 Answer

Dell gx280 wont boot


The power supply might be defective, but usually this means a bad system board. Any other kinds of problems would allow the system to at least boot, but this one isn't getting even that far.

Unfortunately, the Dell case uses a proprietary motherboard, so you will need to get the same one if you want to replace it.

Dec 10, 2008 | Dell OptiPlex GX280 PC Desktop

3 Answers

Dell GX280


Same problem... orange power light, fan starts slow and builds up to very high speed.
I removed my video card and SIMMs --> it beeped on boot and the fan did not speed up.
Put one SIMM back in --> booted fine, pressed F2 to view BIOS. Memory reported fine.
Put all SIMMs back in --> all fine now.

Dec 01, 2008 | Dell OptiPlex GX280 PC Desktop

2 Answers

Dell GX 280 wont start


An Amber blinking power button indicates a low voltage problem. This can be caused by a defective power supply or a defective motherboard. Just to make sure that nothing else is causing the problem, remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged.



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Oct 30, 2008 | Dell OptiPlex GX280 PC Desktop

11 Answers

Dell GX280 no display


plug in a video card in a pci slot and see if your video comes on and do the same with your agp slot

Jan 25, 2008 | Dell OptiPlex GX270 PC Desktop

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