Question about Dell OptiPlex GX400 PC Desktop

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Hi, I am using Dell optiplex 360 pc. The pc has got a problem. Its fan is running high speed. Some time the pc is shutting down it self. I have change the power supply box. But still the problem is occuring. How can I solve the problem?

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  • Dell Master
  • 998 Answers

Either your CPU or motherboard has a problem.

Posted on May 09, 2014

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Posted on Jan 02, 2017

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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 Optiplex gx280 shuts down and orange power light blinks

It happens because the power supply is overheats and computer goes to standby. The power supply is 160w or lower. Specially it will happen if you put more devices in such as video card or sound card. So the only solution you have is to place a small 1or2 fans toward the power supply to make it cooler. And 1 more thing the power for the fans should come from other sources.

Posted on Dec 29, 2008

plettdoctor
  • 121 Answers

SOURCE: dell dimension 8400 fan runs at high speed upon power on

Check if the capasitors on the motherboard are "swollen" which would mean the motheroard is KAPUT. Check if there is a modem in the PCI slots which often shorts the motherboard (when it has become faulty) ... remove the modem. Try booting again. If not succesfull make sure the POWER SUPPLY workls correctly by replacing it with another working one..... If no joy... there are still one or two other options. Let me know If you still have a problem and I will give you more options to check on

Posted on Jul 06, 2009

  • 2 Answers

SOURCE: Dell Optiplex GX280 -ABC LIGHTS LIT UP IN BACK USB-HIGH FAN SPEED

system halted my pc help

Posted on Feb 25, 2010

  • 1 Answer

SOURCE: No Display in dell optiplex gx280 & Fan speed is veyy high

GM from pakistan fsd problem in motherboard chepset......you should repare u r gx 280 or heat the chepset with heat gun ........ 

Posted on May 21, 2010

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Cpu fan failure dell optiplex 360


Make sure the fan cables are plugged in on the motherboard. Or the cpu fan may have went bad and needs to be replaced.

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My cpu fan speed is countinuely high guide me how to low the fan speed


The speed is determined by a cause ..and to make it worked like It used to , you have to eliminate the cause...It probably has a dirty heat dispenser ..and the cleaning will make it run smooth again ...but also check the bios settings for the fan ..For dell there are available more than one modes..and you can go to bios and see which way is set ..Select the quiet mode and save changes on exit

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When i turn the pc on it seems like it is over running or winding out


Hi,
The winding noise can be caused due to three components on the computer. The power supply fan, the Processor fan or the harddrive.

You run the built in diganostics to isolate if the fans are making the noise.
1. Restart your computer
2. Tap on the F12 key a couple of times when you see the Dell logo screen
3. High light boot to utlity partision using your down arrow key
4. Hit enter and select diagnostics
5. In the diagnostics menu select customer test and run the test on the fan.

If the test pass you need physically check , opening the chassis and which fan is making the noise and replace the same.


Thanks for using Fixya
Proton

Apr 18, 2010 | Dell OptiPlex GX520n PC Desktop

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On using my computer, it works perfectly but after a very long time, it brings a black blank sreen. what could be the cause of this. it is an DELL optiplex 360


hi there,

several causes can be check,power supply you can check your avr and psu,if you have the power by checking the blower fan of psu and thd fan of processor and indicator led light of your cpu you have the power,you can check your video card by replacing another video card of your pc if still black screen,you can check memory card,if you have multiple video card
pull out one,run again your pc,if still black screen replace by one you pull out try it also.means isolate of checking the device of your computer,you can determine which device is faulty,besure to shut off your pc every time you check the devices,also you can run your pc w/o your hardisk and cd room.replace defective devices so your windows will put back,regards

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Change the setting in the BIOS menu. reboot your computer.. when you see the dell logo.. press F1 (or F2 if F1 doesn't work) button until you see the BIOS screen. Check for fan options and change it

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Try this: remove the DMOS battery and unplug the on/off switch plug. It's the one in the corner near the power supply. To be sure follow the cable from the front on/off switch board on back to this plug. Then plug the A/C cord in, if the system boots up fine, then replace the front panel power on/off swith board. Naturally you will not be able to power off the computer using the power switch (since we unplugged it), so you will have to just pull the plug. Hope this helps. Joe

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Check the pwer settings on Desktop-properties-screen saver- power options and set it from there. Disable Hibernation......sodeep

Mar 22, 2009 | Dell OptiPlex GX260 PC Desktop

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Dell GX280 High Speed Fan and No Display.


i had same problem today and i tested my machine and solved the problem at last.
the problem is the thermal value that your mainboard sets for your cpu.
please replace the mb.
ps: before this process,i tried almost everything . cpu fan , memory , cpu , cables ,case ... everything. but the problem is on your mb.

Feb 04, 2009 | Dell OptiPlex GX280 PC Desktop

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Dell Optiplex GX280 boot problem


I just repaired two Gateway systems with similar behavior (turn on power, fan runs at full speed, no boot), and both needed replacement system boards. (These were a different model, but the symptoms are typical of a dead system board.) I got the boards from a company called Blue Raven Technology (www.blueraven.com).

Before deciding the main board is bad, try another power supply to make sure that's not the problem. Also you might try clearing the CMOS memory on the system board (either by moving a jumper usually found near the backup battery, or by removing the battery itself). Sometimes corrupted CMOS data will keep the system from booting.


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