Question about Dell Dimension™ B110 PC Desktop

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Processor I have an old dell dimension b110 and i cannot get the heatsink of of the processor to upgrade it. If you know how to do it please help me!

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Your computer uses a Intel Pentium 4 processor, just make sure when you buy a new heatsink or processor fan that it fits the pentium 4.

Let me know if you need more information.

Posted on Mar 11, 2009

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First, what kind of upgrade do you expect to do? Many motherboards will not accept a different processor. That being said, you can use a small flat tipped screwdriver between the heat sink and processor. There isn't much room, but very gentle prying all around should do it. You may heat it up a bit with a blow dryer to soften the heat sink compound that hardens with age. You can't harm it with the temperature of the air from a hair dryer.

Posted on Mar 11, 2009

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As long as the new one works in the same socket type then just take off the heatsink pull out the old processor, put the new one, put new thermo paste on the new proc and attach the heatsink. You can get the paste at radioshack. Only put a dime sized drop on the cpu.

Sep 18, 2012 | Dell Inspiron One 2305 Desktop Computer...

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The fan is making a loud noise on my Dell Dimension 4700. Should I keep using the computer or turn it off? Can the fan be replaced?

The fan is loud for a reason. It's spinning at top speed.

The reason it is spinning at top speed, is to try to keep the Processor cooled down.

A Processor has a thermal limit. A temperature it can reach, and no more.
If the temperature exceeds this thermal limit, the Processor turns off.

This is a Fail Safe feature to keep the Processor from burning up.
The reason the Processor is overheating is due to one of two factors, or both.

ONE: The computer is dirty inside. (To include the inside of the Power Supply)

The Dimension 4700 uses a computer case fan to cool the Processor.
A fan shroud is used to divert air over the Heatsink, which sits on top of the Processor.

Click on Processor in the list, then scroll down to Fan Assembly

Looking at the Heatsink sitting on top of the Processor, you'll notice part of it is a finned aluminum rectangle.
Heat is transferred to the fins where they radiate it away.

Air flows in-between the fins, and around the fins to help dissipate the heat. (Carry it away)

Dust, dirt, hair, etc., trapped in-between the fins, and on the fins will greatly reduce the cooling capacity of the Heatsink.

It also reduces the cooling capacity of the computer case fan, and the transference rate of the fan shroud.

Computer unplugged from power, observe Anti-Static Precautions, and use a can of compressed air for computers to clean out the inside of the computer.

[Anti-Static Precautions:

Your body carries Static electricity.
Static can fry out (Short Circuit) the hardware components inside a computer.

{Processor, Ram Memory, Harddrive, motherboard chipsets, graphics chipset, or graphics card chipset, etc.}

Relieve your body of Static BEFORE reaching inside your unplugged from power computer, AND before handling computer parts.

Computer on a table, computer unplugged from power, computer case open.
TOUCH the metal frame of the open computer case.

Should you leave your computer in the middle of working on it, upon your return be SURE to Touch the metal frame again ]

Pay special attention to the fins of the Heatsink.
Also pay special attention to the computer case Fan.
You can gently use Q-tips to break the outside 'crust', and then follow with a can of air.

(A Q-tip can be used to disturb the outside 'crust' layer. Just wipe it around, and do not be concerned with wiping off any gunk.
By breaking the outside layer of gunk, {'Crust'}, it is easier for the can of air to remove it. May take a few Q-tips as they unravel pretty easily.

Q-tips are good for getting into the 'crack' where the fan's blades meet the center hub. Also on the edges of the fan's blades.
Make sure the Center Hub, area where the fan blades meet the center hub, fan blades, and surrounding cage, are clean.)

TWO: The thermal paste has dried up.

Thermal paste is used in-between the top of the Processor's case, and the bottom of the Heatsink.

The bottom of a Heatsink, and the top of a Processor's case, are not perfectly smooth.

[ Intel Pentium 4 {Prescott Core} processors. Photos show the top of the Processor's case. The case is the silvery looking square. The green outer square is a circuit board the processor core is mounted to. ]

A microscopic view would show, 'Pits, Hills, and Valleys' in the surfaces of the top of the Processor's case, and the bottom of the Heatsink.

These imperfections create an Air Pocket.
Air is an Insulator, not a Conductor.

Thermal paste, (Also referred to as Thermal Grease), fills these voids.
Thermal paste is an excellent Conductor.

Thermal paste MUST always be used in-between the top of a Processor's case, and the bottom of the Heatsink.
(NOTE* If a thermal Pad is used, remove it throw it away.
They are JUNK, and can't be reused anyway)

Processors heat up when being used. They become Very Hot.
The constant heat causes the thermal paste to dry up.
Now heat isn't being transferred to the Heatsink as it should.
The thermal paste has lost it's conducive factor.

The solution is to THOROUGHLY clean the top of the Processor's case, and the bottom of the Heatsink, and PROPERLY apply fresh, new thermal paste.

The cost of a one-time, (One processor) application of thermal paste averages from $3 to $12.
Depends on what thermal paste you buy.

Using ANY fresh, new thermal paste, is better than using dried up thermal paste, or no thermal paste at all.

If you wish to know the proper procedure of cleaning, and applying thermal paste, please post in a Comment.

Dell Support > Dimension 4700 series desktop computer > Service Manual,


Oct 31, 2010 | Dell Dimension 4700 PC Desktop

1 Answer

You have to put a lot of weight on the heat sync for it to boot up

I would assume that it's the cpu heatsink? Actually, it's a bad thing to put extra weight on the heatsink for it may damage the processor. The spring and locking mechanism of the heatsink is just enough to transfer the heat from the processor to the heatsink. Problem maybe on your processor not properly seated on the slot. Remove the heatsink assembly, and release or remove the processor from the slot. Check if there's a foreign object in the slot, a brush will do the cleaning. Reinstall the processor and the heatsink assembly.

Sep 06, 2010 | Dell Dimension 4700 PC Desktop

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I have a dell dimension 4600i. I want to upgrade

It should.. Here is a link to documentation.

Apr 28, 2010 | Dell Dimension 4600 PC Desktop

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I upgraded my B110 to 2x1GB of ddr400 ram. (PC3200) It is running at 333MHZ instead of 400 and my processor is bogged down. (Like 99%)

you will need to adjust the RAM setting in the BIOS, BUT you will need a manual to tell you below. Also I have no doubt you have but ensure,again, it is the correct RAM.

Feb 24, 2010 | Dell Dimension™ B110 PC Desktop

1 Answer

Best motherboard that will fit the case of my Dell 8200 PC. I want more ram and maybe upgrade the processor.

The best MB for that chassis that will fit without any Modification is a Dimension 8400/PWS370 Dell Motherboard. The chassis power button/USB connection is a proprietary Dell connector and using any 3rd party MB will require modification and the wiring is almost impossible to find for that control board.

For just about the same cost (MB, Processor, Heatsink/Fan and RAM) you can buy a New Vostro 220 with a Core 2 Duo processor w/3GB RAM and a 320 GB HDD and it is under warranty

Dec 30, 2009 | Dell Dimension 8200 PC Desktop

1 Answer

My CPU fan for my Dell Dimension 2350 has stopped turning!


If your fan is not turning at all then it is probably dead, the bearings are likely clogged with dust and such. The PC is shutting off because of heat buildup on the processor chip. You need to do an Ebay search for your model and order a fan right away. Continued running of your sysem without a fan will kill the processor and motherboard. You should be able to get a replacement fan for your computer for less than $15 including shipping. Your local computer store may have one to fit your system but they may charge more for it. To change the fan is very easy, the left side of the case will come off your system, right under the power supply is the processor and heatsink and the fan. Disconnect the old fan and reconnect the new unit.

I hope this helps, if so please rate my solution

Corporate Computer

Jul 02, 2009 | Dell Dimension 2350 PC Desktop

1 Answer

Replacing the processor on Dimension 3000

Here is a link to the Dell field service manual. I find that these drawings are usually good enough to get me going.

Nov 14, 2007 | Dell Dimension 3000 PC Desktop

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