Question about Gateway Sb-4100-A PC Desktop

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Gateway e-4100 thermal event

Shut down due to thermal event. replaced fan and added new thermal paste. no luck. any thoughts?

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There can also be thermal sensors in your power supply, on your motherboard, and video card. Does your problem happen during gaming/heavy computing, after x amount of time, or totally randomly?

If your case conforms to the later ATX spec or some derivative thereof, don't block the hole in the side of the case.

Just some stuff I've run into, maybe you already know this!

Posted on Nov 25, 2008

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Gateway gt5438 removed fan &heat shrink to clean, replaced now won't turn on.

When you removed the fan and heatsink (not heatshrink), did you remove the thermal paste from the bottom of the heatsink and the top of the processor? Also, when you reinstalled the fan and heatsink assembly, did you apply new thermal paste? If so, did you do so sparingly or did you gloop it all over the place? (This is one area in which more is definitely *not* better. You want to use the paste very sparingly as it is to help dissipate the heat and transfer it to the heatsink rather than try to be a heatsink itself.) Further, did you insure that you supported the motherboard from underneath when reattaching the fan and heatsink to insure that you did not crack the motherboard when locking it back down? Beyond this, did you reattach the fan power lead to the appropriate fan power plug on the motherboard?

Missing any of these details will potentially cause you problems and will cause the machine either to refuse to boot or to quickly go into a "thermal event" that causes a temperature-triggered shutdown so as to prevent damage to the machine. The caveat to this is that if you did not support the board when reinstalling and locking down the fan and heatsink assembly, then cracks in the motherboard could break power leads that would keep the machine from starting up. In that case, the only option you have is to buy a new motherboard.

Sep 26, 2014 | Computers & Internet

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Thermal shut down on Gateway 500r

Have you checked whether the CPU fan is working or not

Sep 27, 2008 | Gateway 500GR PC Desktop

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Fan on constantly

It's HOT

Processor is too hot

Caused by the inside of the computer is dirty, and/or the Thermal Paste on the Processor needs to be Replaced.

Not added to -> Replaced

Top of Processor THOROUGHLY cleaned, as well as bottom of finned Heatsink.
Apply Thermal Paste PROPERLY


Feb 10, 2013 | Gateway FX8030 PC Desktop

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Thermal event won't ever allow computer to boot at all

"Computer unplugged from power, press the Power On button in, and hold it in. Hold it in for a count of 10 seconds. let go. Do this procedure two more times. (If the Power On LED lights up, do it again) What you are doing is clearing CMOS Error Codes. Check the Processor fan, check the Thermal Paste. Cheap as Thermal Paste is, and what it does for a job, best advice is to simply replace it. Need guidance post back in a Comment. Before beginning make sure the computer is unplugged from power, and you are FOLLOWING Anti-Static Precautions. Regards, joecoolvette"

Brian Packard;
"I cleared CMOS a few times (has jumper on board too) and even put new thermal grese on it....what finally did it was taking out the CMOS battery. As long as it's outl it works just fine, putting it back in causes an error again. Thank you all for your time however and I hope this post can help somebody else too."

Aug 20, 2012 | Gateway 507GR PC Desktop

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Gateway DX4822-01 desktop computer crashes but powers back up after a cool down period. I thought it was a mother board issue and replace the mother board but the same thing is occuring with the new

It is most likely the cpu fan, check to see if you have enough thermal paste on cpu, if not apply a little more and see if that resolve the issue.

Mar 26, 2012 | Gateway Computers & Internet

1 Answer

On power-up there was a "CPU overheated" message and now nothing works. Is there a high probability that the CPU is fried?

Quite possibly. You will need to remove the fan and heatsink from above the CPU to find out if it's just fried the CPU or cooked the motherboard (mobo) too!.

Replacing the CPU is not too hard, you'll need a little thermal paste, replacing the motherboard can be a pain unless you're techy.

Good luck

Aug 26, 2011 | Gateway Sb-4100-B PC Desktop

1 Answer

Keep getting a message that says cpu shut down due to thermal event and when i reboot i hear 3 beeps

If you are looking at the pc from the front, take the left side cover off and ensure that the fan on the cpu is spinning when you turn the machine on. If it isn't, that needs to be replaced. If it is working, shut the pc completely down. Grasp the fan and heat sink unit and ensure that it does not move or wiggle at all. If it's loose, tighten the screws holding the fan/heatsink unit down. Try that and reply back with your findings.

Good Luck,


Aug 18, 2010 | E-Machines eMachines Desktop PC

2 Answers

Thermal Event

This is likely one of the following:

1) the thermal paste under the fan is dried up and needs to be redone
2) The case needs to be blown out of accumulated dust
3) the motherboard has an electrical problem (old capacitors failing etc.)

It could be all 3 issues.

If you are somewhat skilled the first 2 are easy.

The last one can be fixed in many cases

Aug 06, 2009 | Computers & Internet

1 Answer

My comuter won't start up properly. It stays blank right before the log in screen at start up. It shuts down automatically when I play certain video games.

Ok this could be a CPU Issue, after a while the thermo paste on the heatsink which is on the CPU under the fan the paste will dry out and when it does the cpu once starts working under load due to the games being played will shut down to protect itself and the board.

What you need to do or get someone to do it for you take out the Heatsink reapply thermo paste on top of the CPU (by the way thats what I call it) may be known in your region as Thermal grease (also called thermal compound, heat paste, heat transfer compound, thermal paste, or heat sink compound. If you need more help let me know


Jun 18, 2008 | Gateway Computers & Internet

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