Question about Intel (P42000400512SK478) Pentium 4, 2 GHz Processor

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Cannot continue when i open my pc sometimes it cannot open it always display its processor then stop? is my processor damage or my memory or my hardware? when i open the case of my processor then back then start my pc sometimes it continue but if i restart it will hang there displaying my processor, can you help me?

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Re: cannot continue

Try change the battery on the motherboard, then disconnect things like your hard drive and cdroms annd floppy drive because you might have a problem with one of them, also disconnect everything else except your screen and maybe keyboard then see, if this doesn't help try updating the bios

Posted on Nov 03, 2007

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Re: cannot continue


I am VERY confused by your description here. I can't tell if you're talking about the processor as it appears inside of your computer itself...or if you're refering to the processor as it appears in Windows.

Please try to be a little more specific with your explanation. Go step-by-step in what you are doing and what is happening.


Posted on Nov 01, 2007

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The pc is starting up well withot the startup sound and has no display with both flat screen and the crt monitors.

First check the processor fan is working if working remove the memory from the slot clean with a clean cloth and rub the conector with a erasor dont use any metel or any other thing insert the memory and see if the lock is locked on to memory properly still not working change the memory sutable for the memory slot still not working removce the processor heatsink and the processor clean the surface and apply athin layer of heat sink compound and fix back the processor if still not working change the processor if still not working use an addon graphics card and check for display

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My pc always hung

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Dec 07, 2007 | Intel (P42000400512SK478) Pentium 4, 2 GHz...

5 Answers

My pc always hang...

If removing the black powder was damaging to the processor then your system wouldn't start at all.

If I am interpreting this correctly, your PC is only hanging when you restart. It sounds like what you did was pull the heatsink and fan off of the processor and you wiped away that black powder/smudge junk that OEM vendors such as HP use as thermal material between the heat sink and processor.

Some systems do that. It's to be expected. It COULD be caused by a temperature sensor detecting higher temps, though. (Although that's not likely if it's still starting when you shut it down completely and then start it back up.)

The first thing you want to do is re-seat the CPU in it's socket. I don't know what kind of CPU you have so I don't know what kind of socket it is. Be careful in doing so and if you don't know how to open and close the socket then do a little research online for some instructions; or come back here and tell me what kind of CPU you have.

After re-seating the CPU correctly, you want to be sure to clean the die of the CPU with some kind of solvent (such as alcohol) to get rid of any grease or random chemical build-ups. If there is still sticky residue on the CPU from the thermal material, you can normally get rid of that using a bit of WD-40 on a cloth. (DO NOT APPLY ANY CHEMICALS DIRECTLY TO THE DIE OF THE CPU. PUT IT ON A CLOTH FIRST.) If you use WD-40 to clean the CPU die, use alcohol to clean up the WD-40 afterwards.

Do the same to the bottom of the heatsink. Apply WD-40 directly to the bottom of the heatsink if you like. It tends to eat away all of the sticky junk well enough that you can just scrap it off. Clean the surface with alcohol afterwards.

Get yourself some thermal paste from either Radio Shack or an online store. (Radio Shack is currently selling Arctic Silver thermal paste. Good stuff.) Apply just a SMALL DAB of it to the die of the processor and spread it around until you have a nice, thin and even layer of it. (You don't need a ton of it on there.)

If the heatsink is rough on the bottom of it, you can buy sandpaper and sand the bottom of it flat and smooth on top of a flat, glass panel. Make sure to give it a good, smooth finish with a fine sandpaper. This will give it a good, flat surface to make contact with the CPU and will help thermal transfer a great deal. Clean the heatsink and apply it to the top of the CPU carefully.

MAKE SURE THAT THE HEATSINK IS NOT FACING THE WRONG DIRECTION WHEN YOU PLACE THE HEATSINK ON THE CPU AGAIN. If you do, it may actually sit on the socket that the CPU is in rather than on top of the CPU itself. If you turn it on like that, you may burn the processor.

Lock the heatsink down onto the processor as normal.

That junk that OEM vendors put on CPU's should be banned. It's better than nothing...but not by much. They tend to use junk heatsinks and even worse thermal transfer material.

I doubt you damaged your CPU by taking off a little bit of the thermal material like that. However I'm not saying that it's not possible, either. It most likely just got a little bit hot afterwards if anything.

At the very least, clean the surface of the heatsink and the CPU and put some thermal paste there between them. Things should run fine after that. But if your system continues to hang on a restart, then I wouldn't panic. Mine does that sometimes. No big deal. I just shut it down instead of restarting it and turn it back on.

Either way... If you follow these instructions and have a better cooling situation, you're going to experience a bit more stability and possibly better performance with your system.

Let me know how it goes.


Nov 02, 2007 | Intel (P42000400512SK478) Pentium 4, 2 GHz...

1 Answer

Slow running

1.reinstall or upgrade your graphics card driver 2.make sure your hardware acceleration is full (control panel: display properties) 3.make sure your DirectX Acceleraion enabled (run: dxdiag)

Sep 27, 2007 | Computer Processors

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