Question about Sony VAIO FRV25 Notebook

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Startup issues I recently ordered a new processor cooling assembly in order to replace the two fans. Instead of messing with the processor i simply swapped out the new fans with the old ones and then reinstalled the cooling assembly to the mother board. Now that i have everything back together the way it came apart i am trying to start up the computer, and it will not start up. It did get as far as the HD spinning and it acted as though it was working for about 10 to 20 seconds and then it shut off. Now it will not get any farther than the green light lighting up and then it shuts off. Any ideas? Has anyone ever reinstalled the processor/cooling assebly - what does that process look like...did i miss something? Thanks!

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You need to Apply Thermal Paste to the top of the processor Chip..then place the heatsink/Fan assembly on top.. then screw the 4 screws down 3 turns at a time going from screw 1 to screw 2 to 3 then 4 and do again 3 turns.. repeat till all are tight..
The amount you use is: A thin layer.. (thickness of a dime)

Posted on Jun 04, 2008

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2 Answers

Fan error


You need to replace the fan.

Jun 08, 2012 | IBM ThinkPad T40 2373 Notebook

1 Answer

My acer 5750g notebook is bocomming hot and noisy on the power source side


The cooling fan will need to be replaced, go to www.ebay.com Type make and model of laptop, refine search to cooling fan. In order to fix this properly the computer must be dismantled down to the motherboard level, remove old fan and heatsink and blow out dirt and dust with a can of compressed air, next remove old thermal grease with rubbing alcohol and a paper towel from the processor and heatsink, now apply fresh compound and assemble along with the new cooling fan.

May 21, 2012 | Computers & Internet

1 Answer

Compac cq50 110us has always run hot but now it overheats corre temp gadget reads temp at 205f then commences shut down vents are clear and a tech ie brother in law opened and cleaned system of all debris ...


I find that when completely cleaning a laptop, I will remove the Heatsink/Cooling Tube combo.
Allows me to thoroughly clean in-between the fins, and around the fins, of the Heatsink.

Also allows me to THOROUGHLY clean, the bottom of the cooling tube's metal plates, that sit on the top of the Processor, and GPU.
(GPU = Graphics Processing Unit. Slang? Graphics chipset )

Also the top of the Processor, and top of the GPU.
Then fresh, new Thermal Paste is Properly applied, and the Heatsink/Cooling Tube combo reinstalled.

Thermal Paste dries up over time. When it does it looses it's thermal conductivity properties.
Due to the cost, and ease of replacing, it is just cheap insurance.

There may not be Thermal Paste used. Computer manufacturers also use a Thermal Pad.
A material soaked with Thermal Paste.

CANNOT be reused. Once the metal plate/s of the Cooling Tube squeeze down on the thermal pad, there is an imprint made.
Trying to reinstall the Cooling Tube, will not squeeze the thermal pad down any further than it was originally.
The same amount of pressure is used. A gap will result. In-between the surface of the thermal pad, and the metal plate of the Cooling Tube.
{Thermal Pad's are J-U-N-K. They loose their conductivity properties pretty quickly}

1) You were having a cooling problem in the beginning, and this IS one definite area to address, along with cleaning.

2) You are right there with full access, when thoroughly cleaning a laptop.
Access to the cooling system.

A) Did your tech i.e. brother-in-law address this issue?

B) If so what thermal paste was used, and what was the method of applying?
(Method of applying?
Yes. It matters. Especially if a compound like Artic Silver, or similar to, was used)

C) Cooling fan is rotating? Good. Now, what RPM is it spinning at?
Spinning too slow will cause overheating problems also.

Are you sure the Cooling Fan is not spinning intermittently?
Spins okay for a while, then slows down, or stops, then spins again.

D) Let's look at the Cooling Assembly, for the Compaq Presario CQ50 series of Notebook PC's,

Top View, palm rest (Top Cover Assembly ) removed,

http://www.insidemylaptop.com/remove-motherboard-from-compaq-presario-cq50-cq60-cq70-laptop/

Scroll down to Step 17.
To the upper left of the photo you will see the black Fan Assembly. (Most of)

{ Fan is inside a surrounding cage, or shroud. You can see some of the Fan's blades. The Fan and the Shroud, are the Fan Assembly}

Just disassembling down to this point, in order to clean, is Not enough.
You cannot thoroughly access the entire Heatsink. The motherboard must be removed in order to perform this.

You also cannot clean, and replace Thermal Paste.

Observe Steps 18 and 19.
Shows the motherboard being removed, and removed.
Same direction. Top facing up.

Observe Step 20
This shows the Bottom side of the Fan Assembly, and also shows the rest of the cooling system.

Fan Assembly to the top right. Coming down the right side of the Fan Assembly, and curving under, is the copper Cooling Tube. (The Cooling tube is a slightly flattened copper tube, sealed on both ends. It is filled with Nitrogen )

Coming along the Cooling Tube area under the Fan Assembly, is an aluminum small rectangular plate. This metal plate sits on the GPU,

http://en.wikipedia.org/wiki/GPU

Going further to the left, is the metal plate that sits on top of the Processor.
You see the four mounting screws for this metal plate, circled in red.

Step 21 shows the cooling assembly removed.
{The Cooling Fan Assembly, and the Heatsink/Cooling Tube Assembly, are two different assembly's.
Referring to both as the Cooling Fan Assembly, as in the article, is erroneous }

3) Heat from the top of the Processor, and graphics chipset (GPU) is absorbed through the Thermal Paste, and into the individual metal plate sitting on top of it.

The plates transfer the heat to the copper Cooling Tube. The heat is then transferred to the Heatsink, at the end of the Cooling Tube.

Air from the Fan Assembly goes through the fins, (And around the fins), of the Heatsink, and helps to carry heat away.

4) Thermal Paste
The top of a Processor, the top of a GPU, and the bottom surface of the metal plates which sit on them, is not perfectly smooth.

A magnified view would detail, 'Hills, Pitholes, and Valleys'.
When the two surfaces are mated together (Metal plate to Processor, metal plate to GPU), air pockets are created.

Created in-between the two surfaces.
Air is an Insulator. Not a Conductor.
Thermal Paste is an Excellent conductor of heat, and fills those imperfections. (Air pockets)

Tip:
When I state Thoroughly clean, for the top of the Processor, top of the GPU, and bottom of their matching metal plates, I mean THOROUGHLY.

For additional questions please post in a Comment.

Regards,
joecoolvette

Sep 05, 2011 | HP Compaq Presario CQ50-110US Laptop

2 Answers

I have heat issue in my laptop. Laptop is getting heated so soon and video is getting very slow. I have nVidia graphic card. Kindly help me out of it.


So i suggest you that you can buy a new cooling pad for your laptop as well as check whether the zink paste is available between the processor and the heat transferring metal for more info reply me

Jun 18, 2011 | Computers & Internet

1 Answer

(1)cpu fan error (2)chassis intruded (3)fatal error.....system halted


The reason for this error is Overheat! Please replace the CPU Fan with a new one and add additional Fan for the CPU Cabinet in order to cool the CPU. Then, reset the BIOS to default value by pressing the F2 Key or Delete Key at the Startup and select Load Optmized Defaults or Load Fail Safe Defaults option. This should resolve the issue.

Mar 02, 2011 | Computers & Internet

2 Answers

Toshiba laptop fan speed up and then slow down issue. Feedback


I have a toshiba and that is exactly what the fan is doing to cool off the processor. That is because when you boot XP the fan stops after 30 seconds is simply it has no difficult operation on it. But when you choose to switch on to Ubuntu your fan doesn't stop is because ubuntu requires more air since it has so much effort on its operation. Mind you when you installed ubuntu, it requires larger video graphics memory than the XP OS. Try to execute more websites on different tabs on your XP and you will find your fan will work overtime because you put much required operation for the processor. But to help the fan cools off the internal devices, place cooling pad beneath the notebook so that your PC will be safe.

Thanks...

Dec 11, 2009 | Toshiba Satellite P105-S6124 Notebook

2 Answers

Intel PC wont boot past startup and keeps shutting down unless I disconnect the cooling fan, let it start and then reconnect the fan


hi,

might have to get a higher wattage power supply,
the initial amperage draw plus everything else may be causing the stock power supply volts to dip past the limit
maybe download the intel active monitor and study that, or hook up a voltmeter and watch the output at startup.

good luck with your toy

J

Jun 26, 2009 | Intel (C25704002) CPU Fan, CPU Cooling...

2 Answers

Kitchen Aid #KSCs25INSS01: Outside of Freezer is very hot, jumped down to -15 degrees - will not allow readjustment.


I recently had the same issue of the sides/center becoming hot on my kscs25inss01. The cooling fan would not come on. I kept unplugging and waiting for a while then re-plugging in to get the fan to work for a while (it would run about 12 hours then get hot again, it also takes 7 minutes for fan to come on after plugged in). I also placed a small box fan at the rear vent pulling the air out. I ordered the contoller board and replaced it, now, the fan comes on and it is staying cool.
Replacement:
I removed panel in lower back,
removed inverter box next to compressor,
removed gounding wire on frame,
then removed the controller box - metal box along side of refrigerator
Popped out old board ,
moved the center jumper from old board to new board in same location,
and plugged everything in and sealed it back up in reverse order.

May 24, 2009 | KitchenAid Superba KSRG25FK Side by Side...

2 Answers

My cooling fan on my mother board start making noise now as soon as you power up the pc it shuts down could it over heat that quickly or did it ruin mother board?


It is possible to burn out a processor in a matter of seconds without cooling. Please do not attempt to restart the unit, until you replace the colling fan on the processor. If it's not the processor fan/heatsink, you may have lucked out, but don't restart it till you replace the fans.The fan that sits on your cpu is the main concern, if it's one of the others the board should shut down automatically in order to stop this scenario from occuring.

Mar 09, 2009 | Computers & Internet

3 Answers

The HP Presario A900 shuts down within 5 minutes of start up


If your laptop is overheating, it means that the Processor fan is not working. You can damage it further if you keep trying to us it. Although I must say, this is the first time I've heard of using frozen veggies to cool it down. I have a client that bought a portable Air conditioner to cool his laptop. I fixed it by replacing the fan.

The fact that the unit works while being cooled externally points directly to the fan.
Is the unit out of warranty?
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Nov 26, 2008 | Computers & Internet

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