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Heatsink not detected - Computers & Internet

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Know If It's a Failed Processor or Motherboard Diagnosing computer hardware problems can be one of the more difficult aspects of PC repair. If your motherboard or processor have failed, often your computer will not fully boot up, which makes troubleshooting a frustrating process. Your motherboard runs a program called Post, which essentially checks your essential computer components for errors upon start-up. Post will provide a series of beeps that can be used for error reporting and to help you determine what is wrong with your PC.

Turn off your computer and unplug the power cord from the back of your power supply. WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. - rules
Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards Open up the side of your case and remove all expansion slot cards such as your sound and video. Reconnect your power cord back to your power supply. Power up your PC and listen for a beep or a series of beeps. Post will run a basic diagnostic and check your RAM, motherboard, and processor for errors. If these three basic elements are working properly, you will hear one beep from your computer's speaker, and you can be assured your processor and motherboard are still working. Count the number of beeps you hear (if more than one) as this will help you determine if your processor is functioning properly. If your computer is reporting errors, you will hear more than one beep. If you are running Phoenix BIOS, count and write down the beep sequence. Consult your motherboard's BIOS instruction manual; there will be a section on the "post" start-up that identifies each problem associated with the number of beeps reported. Five beeps means a processor error for most standard AMI BIOS systems. Identify the problem associated with the number of beeps to accurately determine what problems your CPU and motherboard are experiencing.
Motherboard or the Processor is Bad in a
Diagnosing the source of a computer problem usually involves a process of elimination, evaluating each part. In a desktop computer, this is easy, since each part can be removed or replaced with little difficulty. Taking apart a laptop isn't quite so easy. Unlike a desktop computer, they aren't really designed to be disassembled by the average consumer, and in many cases, taking apart a laptop can void its warranty.

How to Diagnose Without Disassembly
Obviously, since disassembly of a laptop is beyond the skill of most users, diagnosis of hardware problems requires the ability to recognize common problems that can be caused by specific computer parts. Overheating is usually a sign of a failed fan or heat-sink, rather than a problem with the computer's processor. Constant crashing is a sign of bad memory much more often than a failed motherboard or processor. These little indications can be a lifesaver when dealing with sealed hardware like laptops. When diagnosing whether it is the motherboard or the processor, there are a few basic things to look for. Processor damage is usually pretty obvious; the computer will completely fail to operate, unable to even run the BIOS (Basic Input Output System) firmware. This can also be caused by memory failure. Replace the memory with known good memory, and see if the problem persists. Motherboard problems are a little more difficult to detect, as a motherboard is not a single piece of silicon. Typically, a motherboard failure is actually a failure of one of the components soldered to the motherboard, such as the USB controller, or the hard drive controller chips. But often, the problem is with one of the main controller chips on the motherboard, which will cause to the computer to stop functioning altogether. There isn't any good way to discern this from a processor failure, other than to replace the processor; this isn't always possible. b> Problems With Laptop Repair A basic problem with dealing with laptops is the fact that many laptops are built with the processor soldered directly to the motherboard rather than connected with a socket, like most desktop computers. This means that any problem with either the motherboard or processor will require the replacement of both. A side effect of this is that the motherboard and processor will have to be ordered as a single unit; you can't mix and match, and only the parts that the manufacturer of the laptop is willing to supply can be used. To compound the problem, if the laptop is still under warranty, any repairs have to be done by the manufacturer, or a manufacturer-certified repair shop. This often will lead to a cost of parts and labor that will actually exceed the cost of the laptop, especially if the failure is caused by something that the warranty will not cover. Finally, if the laptop is out of warranty, it may be altogether impossible to repair it, as most manufacturers do not stock parts for older machines that they no longer need parts on hand for warranty repairs.

Posted on Jan 16, 2013

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Bios hanging when cpu check begins

U can try dropping in another cpu, and removing all peripherals except the memory and see if it recognizes it. If problem persists the anomaly lies within the cmos of the mo bo or the mo bo itself.

If the cpu is now recognized add the peripherals one by one till the problem reappears. The last item you added is causing the hassle.

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Chipset Heatsink not detected

your heatsink might be secured properly

Aug 21, 2012 | Computers & Internet

1 Answer

Alert chipset heat sink not detected system halted dell xps 420

Sounds like your heatsink which is inside the computer and sits on top of the CPU is bad. There will probably be a fan that sits on top of the heatsink.

Look on ebay and purchase one for your system.

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

May 12, 2012 | Dell XPS Computers & Internet

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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

Sep 05, 2011 | Dell Dimension 4600C PC Desktop

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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)
and remove the old compound and apply a fresh new layer of heatsink grease.
While you are at it, also replace the heatsink compound of your CPU.

Jul 11, 2011 | Dell Optiplex GX280 (99301) Motherboard

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My Sunfire Amplifier wouldn't turn on. It keep blowing fuses.

Fuses blow when an overload is detected. In your case an IC or transistor has shorted and is now acting like a piece of wire. Chances are it will be one of the main devices on the large heatsink in the unit, or could be in the power supply section. My moneys on the heatsink ones.

Jan 14, 2011 | Sunfire 400 Five 5-Channel Amplifier

1 Answer

When i turn the computer on it starts then

SOS beeps are post codes the computer sends to alert you of problems detected during start up.

The beeps can mean anything from over heating to bad memory detected. Find out what your Motherboard bio is and check Here. This has a handy beep code listing for many of the common mother boards.
Good luck!
Hope this helps!

Nov 17, 2009 | E-Machines (BFB0505HA) Cooling Fan, Laptop...

2 Answers

Alert chipset heat sink not detected system halted error message

It is NOT the CPU fan! There is a heatsink over the northbridge chipset adjacent to the CPU. The clip that supplies pressure to maintain contact between the northbridge and the heatsink has detached on one or both ends. There are wire loops at each end of the clip which feed into the motherboard. When the clip detaches (solder failure), it pops the loop out of the motherboard. The BIOS recognizes this condition as a heatsink failure, hence the error message.

Jul 10, 2009 | Dell Dimension 4600C PC Desktop

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