Question about Dell Optiplex GX280 (99301) Motherboard

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Alert ! chipset heat sink not detected system halted

DELL Optiplex GX280

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See here:
http://www.fixya.com/support/t613395-alert_chipset_heat_sink_not_detected

This is what happened to me... Solution involves soldering though.

Posted on Jun 04, 2010

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Repalce your M board

Posted on Jun 17, 2009

  • imran_usa9
    imran_usa9 Jun 17, 2009

    Repalce your M board

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There is no S280 in the Optipex model line, just GX 280 and SX 280.
The problem you are describing is common to the GX 280 model.
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ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-gx280_user%27s%20guide_en-us.pdf
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Alert chipset heat sink not detected system halted dell xps 420


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Look on ebay and purchase one for your system.
http://www.ebay.com

I found a new one below on ebay for $14.95 (the link is below)

http://www.ebay.com/itm/New-OEM-Dell-Dimension-9100-XPS-420-430-Heatsink-Assembly-XP850-/350520689627?pt=LH_DefaultDomain_0&hash=item519ca943db

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Alert! Chipset Heatsink not detected. System halted! is the alert that comes up when I turn my computer. What can I do?


Hi scotteg71121...

The alert is caused by a loose chipset heat sink.
Dell has a self test that prevents further damage by halting the system and displaying the message Alert! Chipset heat sink not detected. System Halted.
The solder joint seems to fail from constant tension and heat.
If you find the missing clip inside the computer you can solder it back in place and reattach the chipset heat sink wire hook.
If you can't find the clip you can replace it by bending a thin piece of wire in a half circle.
You can see a picture of where the clip goes on your computer motherboard by following the link below.
Please take time to rate me
http://www.aplusperfect.com/articles/chipset-heatsink-not-detected

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Hello, I've got a Dell Optiplex GX280 series desktop pc which has refused to boot up. Instead it shows an error saying "Alert! chipset heat sink not detected system halted! Would appreciate your...


Both your CPU and chipset have heatsinks to dissipate the heat they generate.
Over times, the heatsink compound between these components and the heatsinks
may dry up and no longer conducts heat efficiently. Your system on power up,
detects excessive heat from the chipset and if allowed to continue on, will burn
itself up. To protect it, your system shuts itself down.
Open up your case and inspect the chipset. Make sure the fan (if any) is running.
If it is, you may have to remove the heatsink (normally clipped on to the chipset)
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Chipset heat sink not detected


The chip set heat sink is not properly installed on the system board.
Ensure that chip set heat sink is properly installed on the system board.
To locate the system-board chip set heat sink, see "System Board Components."

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Alert chipset heat sink not detected


Turn the computer off.
Disconnect the AC power.
Open the case.
Check that the heat-sink is securely and tightly connected where it should be.

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ALERT!CHIPSET HEAT SINK NOT DETECTED,SYSTEM HALTED!>


did the cpu cooler fall of? did a fan stop working? perhaps you should open it and have a look- obviously something is overheating. We need more information than this.

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