Question about Toshiba Satellite A70 Notebook

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Computer will not fully load windows

So I had the "dust on the heat sink" problem and found directions to clean the heat sink and fans. This involved opening up the laptop, which I was a bot leary of, but being out of warranty, I had little choice. After finishing the cleaning and re-assembling the computer, windows would only go into safe mode or would freeze part way through the loading process. While in safe mode I had no problems using the keyboard, touchpad, or HDD.

I used the rescue disk to re-install windows but windows again it failed to completely load on it's first try. Using a boot cd I checked the system memory, CPU, and HDD, all checked out fine.

Any ideas?

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Thanks for your input. In the end it turned out that the wireless adapter was not seated properly. I removed and reinstalled, and everything worked fine.

Posted on Nov 09, 2007

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First if u have VGA integrert on motherboard delable it on BIOS and put another vga while u formating ur pc.
If u use non-integrert VGA and u have another vga integrert on motherboard just go to the BIOS and desable ( integrert )
The problem is JUST UR VGA sir!!!

Posted on Nov 07, 2007


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Clean heat sink

Yes you can, remove the cover off the desktop computer to get access to the fan and heat sink over the CPU.
Use a stiff brush to loosen the dust off the fan and heat sink and vacuum the dust off the fan and heat sink. You may need to use a can of compressed air to blow the dust off the fan and heat sink then vacuum the dust out.

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Emachines t5212 overheat message then shuts down

Three causes of ovheating:
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2) A Fan not working. Make sure the fan inside the Power Supply where you plug the power cord in works. Also there is a fan that sits on top of the CPU and Heat Sink. Make sure it works. Normally the system will give you an error message if the fan is not working.

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My desktop computer power on fine, however it will shutdown while loading the windows xp, what is the possible caused of this fault??? thanks for your help, Jane...

When the CPU overheats then it will shut down (i.e. thermaloverload) and won't boot up again until it has cooled down. If this is theproblem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are cloggedwith dust.
Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make surethe vents are clear and dust free. Use a can of compressed air to do this.

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My nv7802 overheats and shuts off,fan is running but the heat sink gets very hot

The fan may be running too slow (faulty bearing) or the fan and heat sink assembly may be clogged with dust.
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Intel Motherboard DG31PR overheat Problem it start at 68'c & goupto 75'c system is very slow cpu temperature range from 45-52'c

hi..hope ur a pro b4 handling core hardware components like cpu..
well d prob u described can b any one of d following:
i) the cpu fan- a) can be dirty..clean throughly..
b) look if any of the clips mounted into d main board is damaged..
c) try replacing d whole fan..
ii) the heat sink- may b dirty too..clean using a blower
iii) heat sink compund- ie a white paste rendered with a thin film between d cpu n d heat is seemed to b dried up..clean it using a cloth n re-apply it (available in chip-level spare market)
n.b.: b very careful b4 opening cpu fan n cpu from itz socket..
iv) open cmos utility or bios setup n in temperature settings ignore or disable cpu warning temperature..
v) c if all d electrolytic capacitors (mfd) situated in d north bridge of d main board r ok or not..
vi) download n install any cpu temperature control or cpu cooler software (dis softwares increases d fan speed as n when necessary)..
vii) if all d above fails try replacing d smps (atleast 450w)..

bt itz always better to seek intervention of ur computer supervisior or a pro..
n plz do vote n rate..

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Following about an hour (hopefully) of run time, this computer shuts down (appears to be overheating)

Heat is cause for "random" shut downs.

While the computer is running - inspect the visible fans. Make sure they're running smoothly - a screeching fan is not spinning at the correct speed - and like those not spinning at all; isn't doing the job intended. Replace any fan that makes noise or does not spin freely or at all.

Shut off the PC and take note of plugs & jacks; and disconnect all cables.

Remove the computer to a table with ample room to work. Position the computer so that left removable side panel is facing up. Loosen (or remove if required) any screws, clips or other fastener used to secure the panel to the case. Remove the cover and set aside.

Using a crevice tool or narrow wand attachment on a vacuum cleaner, gently vacuum the inside of the computer case. Try not to touch any components inside. Gently move cables and wires out of the way to allow the vacuum to **** dirt, dust, etc. from the motherboard and interior of the case. Some plugs at the end of wires can very easily be pulled off of connectors to the motherboard, so be very careful moving the cables and wires out of the way.

Be sure to pay attention to any slots in the case or drives - such as a floppy disk. Vacuum dust from the the opposite direction they entered - pull it back out instead of pulling it all the way through. Check openings in the case designed for airflow. Clear any obstructions found. Inspect the power supply. Often, a fan blows outside air into the power supply - coating the insides with dust. The dust is often visible choking the slots of the power supply inside the case - this should be vacuumed away from the slots, to restore airflow.

Inspect the CPU fan. Remove any dust and dirt caught on the fan blades. Spin the fan by hand. It should spin freely. Shine a light through the fan to view the heat sink. the heat sink is just a large metal piece that sits between the fan and the CPU itself. It conducts the heat created by the CPU away from the CPU - where the fan blows comparably cooler across it, wicking the heat away. If the heat sink fins, posts, or channels are clogged or coated, the CPU fan should be removed and the heat sink vacuumed or bushed clean in place. The CPU fan usually held in place with 2 or 4 small screws. Remove them and the gently rock the fan from the heat sink. Move it just off to the side so that it won't need to be unplugged from the motherboard. Clean the heat sink and reassemble.

After removing as much dust as possible, reassemble the case and reconnect. The overheating problem should be resolved. If you're still having issues, you start over again but this time try blowing the dust out. A caveat of that is that it forces dust and dirt deeper still into components inside the case. If the computer is not working - this may not be a cause for concern. It would be best to use a "shop air" source - like those compressors found in workshops or gas stations as they have large the large volume of air at significantly high pressure. Canned air bought in stores can't come close on either of those two qualities - but is better than nothing.

Reassemble and try again. If it is a heat related problem that hasn't existed long enough to cause permanent damage, your PC should work fine once again. Please rate this reply "very helpful" and good luck!

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Computer Beeps When Windows is Loading

First, you should be sure that the cooling fans are working properly. Especially the one that is on or directed to the processor. You'll need to open the system up to check this. Turn on the system and make sure all the fans are spinning fast. Now, check for lots of dust or dirt on the fans and processor heat sink. Most likely, the inside of your tower needs to be cleaned. If there is too much dust and dirt in the fans and on the processor heat sink, it can't cool itself and the system shuts down to prevent damage to the processsor once it gets to a certain tempature. I have seen this often. You will need to use a can of air on the fans and processor heat sink. There will be a lot of dust and dirt that will come flying up....which is good Then use a vacuum and a soft bristle attachment to get out the remaining dust. Put the system back together and you should be good.

Your manual should show you how to take the cover off your PC to access the motherboard.

I hope this helps you.

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