Question about Acer Aspire 7720-6569 Notebook

2 Answers

My computer suddenly shut down without notice. It does it when I'm using battery power and it will also do it if the battery is out of the laptop and I'm using the power cord..

Posted by on

Ad

2 Answers

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Novelist:

    An expert who has written 50 answers of more than 400 characters.

  • Expert
  • 250 Answers

Two important things that you should do to fix a computer which keeps shutting down are:


1- Scanning computer to eliminate malwares, spywares and the viruses from your laptop.
2- Repairing and cleaning Windows registry.



The registry errors, however, are the internal errors and can become a cause of system crashes and freezes.
These two tips are found to be very helpful to fix the laptop shutdown problem.

If problem still occurs then use Intel Software Partner Reginout for complete PC optimization.



WebRepOverall ratingThis site has no rating(not enough votes)

Posted on Dec 13, 2012

Ad
  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Acer Master
  • 5,660 Answers

Suggest laptop is dirty inside.

Air is used to cool the hardware components inside the laptop.
If 'Gunk' coats these cooling components, (finned Heatsink, and small Fan Assembly), the cooling capacity of those cooling components drops Tremendously.

['Gunk' = Dust, dirt, lint, hair, food crumbs,....you name it ]

If the Processor overheats it turns off. (BIOS turns it off)
This is a fail safe feature built-in.
Keeps the processor from burning up. (Sometimes Literally!)

Using Dell XPS laptop to show you the 'Gunk' that can accumulate,

http://www.youtube.com/watch?v=AkAeE5I5E_A

This is an example of part of the cooling assembly; for an Acer Aspire 7720 series of Notebook PC,

http://www.ebay.com/itm/Acer-5520-5315-7720-7520-ICW50-Cooling-Heatsink-AT01O000400-Free-Shipping-/251101918883?pt=LH_DefaultDomain_0&hash=item3a76d736a3

Click on the photo to enlarge.

The curved copper tube is the Cooling Tube.
Slightly flattened copper tube, sealed on both ends, and filled with Nitrogen.

At the top of the view, on the Cooling Tube; is the small metal aluminum plate that sits on the Processor.
4 Philips head mounting screws.

At the bottom in the view, is the rectangular finned Heatsink.
The last cooling assembly part is the Fan Assembly,

http://www.ebay.com/itm/New-Laptop-CPU-Cooling-Fan-for-Acer-Aspire-5520-5315-7720-7520-Notebook-/180933785266?pt=US_CPU_Fans_Heatsinks&hash=item2a207e76b2

The small fan is a multi-bladed unit, that sits in a D-shaped shroud.
In the view the Bottom is the opening.
The opening sits RIGHT AGAINST the finned rectangular Heatsink.

Heat is absorbed by the two small metal plates on the Cooling Tube, from the Processor, and GPU.
The heat is then absorbed by the Cooling Tube, and transferred to the Heatsink.

The Heatsink absorbs the heat, then radiates it away, with it's Tall, Thin fins.
Air flow from the Fan Assembly, helps to carry heat away from the Heatsink's fins.

If the Fan Assembly's fan blades are coated; and the fins of the Heatsink are clogged; the cooling capacity drops TREMENDOUSLY.

Your Aspire 7720 may also has a separate Cooling Tube, and Heatsink; for the graphics chipset. G.P.U.,

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

http://www.ebay.com/itm/Acer-Aspire-7720z-Graphics-Card-Heatsink-AT000000DV0-/310526872287?pt=LH_DefaultDomain_0&hash=item484cd80adf

KNOW THIS;

The top of a Processor, and the top of the graphics chipset; is Not perfectly smooth.
Neither is the bottom of the metal plates of the Cooling Tube/s, that sit on them.

A magnified view would detail, 'Hills, Valleys, and Pitholes', in the surface.
When the two parts are mated together, (Processor/Cooling Tube plate; Graphics chipset/Cooling Tube plate); there are air pockets that are created.
Created from the imperfections listed above.

Air is an Insulator; not a Conductor.
Thermal Paste fills these imperfections, and is an Excellent conductor of Heat.

There may be also Thermal Pads that are used. Pad material impregnated with Thermal Paste.

After time, and repeated heating from the Processor, and GPU, (Graphics chipset), the Thermal Paste dries up.
It also looses it's thermal conductivity properties.

SINCE, all you have to do is remove the large panel, from the bottom of the laptop, (Battery Compartment facing Away from you; the large panel to the Right), you have full access to all cooling components.

It would be in your best interest to remove the Cooling Tube/s/Fan Assembly, and clean the top of the Processor, and GPU. Also the metal plates of the Cooling Tube/s.

I use an old credit card to scrape as much of the old Thermal Paste off, as I can. (Needs to be plastic, or wood; because it needs to be Anti-Static. NO -> Metal scraper)

Use Q-tips dipped in Isopropyl Alcohol. (Rubbing alcohol)
91 percent is best IMHO, but 70 percent will do.
To me 50 percent = No. 50 percent Water, and 50 percent Alcohol.
Takes a LOT of alcohol soaked Q-tips, as it's usually a gooey mess.

CAUTION!!
Isopropyl Alcohol is EXTREMELY FLAMMABLE!
Use in a WELL ventilated area with NO sparks or flames present!

How clean? Literally clean enough to eat off of. (Don't worry about excess alcohol dripping down. It will evaporate)

Now PROPERLY apply fresh, new Thermal Paste for the Processor, and CUT a new Thermal Pad for the GPU.

{Old thermal pad is carefully peeled off }

http://www.hardwaresecrets.com/article/274

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3071621&CatId=503

http://www.ebay.com/itm/Blue-100mmx100mmx0-5mm-GPU-CPU-Heatsink-Cooling-Thermal-Conductive-Silicone-Pad-/190704122314?pt=US_Thermal_Compounds_Supplies&hash=item2c66d9f9ca

Screws for the Cooling Tube processor plate, and GPU Cooling Tube plate; are lightly tightened down until they touch, then tightened in a crisscross fashion.

You want the plates to sit F-L-A-T on the Processor, and GPU.
DO NOT OVER TIGHTEN!!

Free Service Manual so you can disassemble,

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-acer

Go to the 'paragraph' that starts with Aspire 1200. (1200 in Blue)
Drop down to the 12th line. (7530G in Blue)
Scroll across, and click on 7720 in blue.

This is a PDF file. The computer you are using now has Adobe Reader on it, which uses PDF files.
After you click on the file name (7720) it may take up to 30 seconds, before the first page comes up.
(The PDF file is downloading in the background)

Buy and use an ESD wrist strap. Connect it's alligator clip to a good ground source.
Electro Static Discharge.

Your body carries Static electricity. Static WILL fry out (Short Circuit), the delicate hardware components inside a computer.
You CANNOT just touch the metal framework, as you would for a desktop computer; to relieve your body of Static.

Average price is around $3 to $6. Here is but one example,

http://www.radioshack.com/product/index.jsp?productId=2103245

I connect to an unpainted surface, of the metal frame of an open, empty desktop computer case.
I feel an Anti-Static Mat is unwarranted. (And I have a repair shop)

You can set a large metal serving tray (Unpainted), on the table you're working on; and connect to it.
Or a large metal knickknack. (Unpainted)
You get the idea.

Use a mutli-compartment container for the various screws you will remove. Label each compartment for the area the screw/s come out of.
SOME screws look VERY similar to other screws.
Advise DO NOT mix them up!

Use a small soft bristle brush, (Makeup brush?), Q-tips, and a can of compressed air for computers, to clean the inside of the laptop out.
Especially the fins of the Heatsinks, and Fan Assembly.

For additional questions please post in a Comment.
Regards,
joecoolvette

Posted on Dec 12, 2012

Ad

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

schawlaf
  • 78 Answers

SOURCE: close lid of laptop without shutting down system

You have to configure what laptop do when the lod is closed . go to Control Panel , Power Options , Advanced . In this tab you will see an option " When I close the lid " and a drop down menu just choose do nothing and press ok . It will not shut down your laptop when lid is closed .
If you like my solution do vote for me
Farhan
www.senseapplied.com

Posted on Jan 05, 2009

kevinsjones
  • 2 Answers

SOURCE: My Acer 5630 laptop turns off automatically

Alongside cleaning out the fan, try use your laptop on a hard surface, not your lap! Don't put anything like a pillow underneath. Use it on a flat hard surface and the heat has chance to escape!

Posted on Apr 07, 2009

ginko
  • 19396 Answers

SOURCE: my acer aspire 5720-4126 laptop computer is very slow in booting

The most common reason for slow processing speed is insufficient RAM memory.

Increase the RAM, if RAM available is no more than 512MB, then it must be upgraded.

Check also your hard drive state. If you have less than 1GB free, that will slow down the system. Go to Start>>Programs>Accessories>System Tools>Disk Defregmenter and do a Defrag of the hard disk.

If you have at least 1 GB RAM, and you took care of the hard drive, then you can check the process starting up on their own and remove the useless one, or spot mala-ware that can affect speed. You can use a software like Hijack This, and search on google te function of each process started on the list reported by the software.

You can download Hijack this here MajorGeeks | If download does not start, then click at the top of the page, where it says Click Here If It Does Not.
Be careful if you delete the wrong files using this software you can harm the system, and Windows may not work properly.

If you think you have malaware you can also install Spy Bot, and do a system scan. Download Spybot from The home of Spybot.

If all the above does not work, and there is no malaware, then you usually reinstall the system.

Check also the bios settings, BIOS can downgrade the CPU speed on default , even if this is uncommon on recent BIOS.

If a computer is still slow with a fresh system and enough resources then it is one of those rare occasions when you have an hardware fault.
Hardware that can cause slow down is: RAM CPU Motherboard HD Video card.

Some tips on procedure can damage your windows installation. Do not download Hijackthis software and do not change BIOS settings and do not touch hardware unless you are sure of what you are doing.

Posted on Apr 28, 2009

longgee
  • 322 Answers

SOURCE: BATTERY NOT CHARGING

Try replacing the battery, i think the battery is defective.

Posted on May 09, 2009

  • 181 Answers

SOURCE: Battery will not charge/ keep computer on. laptop

Sounds to me like the transformer circuit that enables the batery to charge. If you have bought your machine within the last 12 months it should still be covered by warranty so go back to the supplier. If not covered I wouod still try as it is not beyond reasonable expecations that the machine will operate perfectly in very way for more than 1 year.

Posted on Feb 13, 2010

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Sudden Shutdown due to Overheating


either your power adapter os faulty or the cooling fan inside the laptop had failed forcing the laptop to shut down as safety precaution.

Aug 29, 2012 | Dell Inspiron 14 N4010 Laptop 4g 500gb...

1 Answer

Sudden shutdown


Remove main battery and run the laptop, if it continues to work without shutting down that is a indicator the battery needs to be replaced.

Apr 05, 2012 | Dell Inspiron Computers & Internet

1 Answer

My computer shuts down without any warning at all. The problem has occurred 4 times this week when charger is unplugged but power icon still shows me approximately 50% battery. Sometimes computer lets me...


Check you power settings. It is possible that it is set to shut down at 50% battery power.

If it is overheating, that too will cause a shutdown. What is happening at the time of shut down? Are the vents on the laptop being blocked in any way?

Sep 04, 2011 | ASUS Computer International U35jc A1...

1 Answer

My acer aspire 4745G shut down without notice even i'm using cooler fan


Using a cooler fan...
Im guessing its not a battery problem?
Go to control panel, then to Power Settings
There should be laptop specific power settings based on how long things should stay on... try and set it to one of the built-in modes to reset everything.

May 13, 2011 | Acer Aspire 5315 Notebook

1 Answer

Unexpected shut down of my HP Compaq I was trying to close the windows I was working witt when all of a sudden without notice my laptop shuts down. I tried to restart it but it would not. I took off the...


Compaq's are famous for over-heating, if you didn't have a cooling pad under the laptop it may have burned up some components, or it could just need time for the components to cool.

Jan 07, 2011 | Computers & Internet

1 Answer

Turning off


Perform power drain ( remove all accesories including the battery and the power adapter) press the power button for 1 minute.

Connect the power adapter only then turn on the computer - try using for more than 1 hour. If the computer does not shut down then the issue is the battery.

Run anti virus software.

If problem still persist it is a posible hardware issue. If you are still in warranty you can call sony and they can help you fix the issue for free.

Mar 27, 2010 | Sony VAIO Notebook

2 Answers

Attempting to load but suddenly shut off..


It sounds like the laptop was in a screen off state (happens when it is left on but not used for a while).  When you pushed the power button it went to shutdown, and notified you that someone (you) is still logged on.  Any unsaved work could be lost, hence the warning.  
Five minutes later when you went to switch it back on, the laptop coincidently must be low on battery, to the point where it will not stay on, and exhibits the problem you are experiencing now.  Try plugging in to power and make sure that the battery is charging, and try again.

Nov 06, 2008 | EliteGroup ECS A535 Notebook

Not finding what you are looking for?
Acer Aspire 7720-6569 Notebook Logo

274 people viewed this question

Ask a Question

Usually answered in minutes!

Top Acer Computers & Internet Experts

Les Dickinson
Les Dickinson

Level 3 Expert

18394 Answers

Mohammed Ebrahim M
Mohammed Ebrahim M

Level 3 Expert

633 Answers

Steve Sweetleaf
Steve Sweetleaf

Level 3 Expert

1144 Answers

Are you an Acer Computer and Internet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...