Hello, I have GX820 Dell computer which has problem same as on this video - http://www.youtube.com/watch?v=nS1x54K44WA the fan is becoming faster and faster also computer screen won't turn on and the power button light is orange. What should I do to fix that ?
Maybe I should replace a new thermo paste ?
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Based on the symptoms it tells us that the system will not post. You can try getting a new thermo paste for it since the system is already old and it is possible that the thermo paste that's in it is not effective anymore. However, in case the system still gives you a solid amber power button, then that means to say that the motherboard is already malfunctioning and it needs replacement.
The Airplane Mode is one of the Tell tale signs of Bad Capacitors.
The recall ended Jan 31, 2008.
Amber power light indicates hardware failure.
If the power light is green and the computer is not responding — See "Diagnostic Lights."
If the power light is blinking green — The computer is in standby mode. Press a key on the keyboard or move the mouse to resume normal operation.
If the power light is off — The computer is either turned off or is not receiving power.
If the power light is amber and green or steady amber — A device might be malfunctioning or incorrectly installed.
If the power light is blinking amber —
The computer is receiving electrical power, but an internal power problem might exist.
Eliminate interference — Some possible causes of interference are:
Dell™ will provide out of warranty coverage in North, Central and South America for OptiPlex™SX270(UFF), GX270, GX280 systems with failed motherboards due to expanding or leaking capacitors for 5 years from date of purchase, or until 31-January-2008, whichever comes first.We request that customers with qualifying systems contact Dell Technical Support at 1-800-822-8965. Please note, affected parts will not be dispatched through the WPD program and therefore will not be eligible for labor reimbursement.For Systems Under WarrantyIf a desktop computer listed in the "Products Affected" section has a failed motherboard exhibiting expanding or leaking capacitors, contact Dell Technical Support to have the motherboard replaced as per the Warranty Service coverage contract.For Systems Out of WarrantyIf a desktop computer listed in the "Products Affected" section has a failed motherboard exhibiting expanding or leaking capacitors and is still within the time period described below, contact Dell Technical Support to have the motherboard replaced at no charge.The motherboard replacement program is valid for 5 years from the original date of purchase of the system or January 31, 2008, whichever occurs first. Systems that fall outside the motherboard replacement offer terms may be repaired under Dell's Out of Warranty service program. Products Affected:SX270 USFF (Ultra Small Form Factor)GX270 SFF, SDT, SMT (All Form Factors - Small Form Factor, Small Desktop, Small-Mini Tower)GX280 SFF, SDT, SMT (All Form Factors - Small Form Factor, Small Desktop, Small-Mini Tower)
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I checked all above information and it's still same, tried different PSU, CPU, MB batteries but the thing is motherboard light is still working (on) and fan is working with maximum speed... strange..
I presume you mean an GX280. The light on the motherboard only means it's getting power, but not necessarily the correct power.
What color are the 4 diagnostic LEDs on the rear of the tower?
Did you reseat the RAM modules in their slots?
Try each RAM module, one at a time, in slot 1?
Disconnect all drives except the boot hard drive?
Remove all PCI cards, except video card?
And if none of that helps, and you do have an add-in video card, remove that card and connect the monitor to the integrated graphics output.
After each change in hardware configuration, remove the motherboard battery and press/hold power button for ~30 sec, then reinstall the battery (right-side-up!) before booting.
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That's a good thing that you tried those. However, you may also want to try to leave the major components plugged in with nothing else. Leave the PSU and the Processor plugged in on the motherboard without the hard drive, memory, video card, and any expansion cards that you have connected. Please see if the system will give you a beep sound, if it does please connect one of the memory modules on slot 1 and plug in the video cable to the VGA port and see if you will be able to see the system turn on without the solid amber power button. Thank you.