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Hp laptop shuts itself down randomly and frequently.

I can be watching a show and there will be a "click" and everything will power down to off in a split second. I have used compressed air in case it is an overheating issue, though the fan sounds quiet when the laptop shuts down. I have also updated my graphics drivers and other software.

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  • James Bass Jan 15, 2013

    I'm also running a fully updated Windows 7.

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3 Answers

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Need the product number. A fashion of model number, for an HP.
It's in the white Service Tag on the Bottom of the laptop.
P/N = Product Number

1) You have used compressed air. Would this be with the laptop partially disassembled?
Cleaned out the fins of the Heatsink; Fan Assembly's fan blades, center hub, and surrounding cage; plus the rest of the laptop internals?

Otherwise you are just cramming the 'Gunk' in tighter.
Gunk = Dirt, dust, hair, lint, carpet deodorizer, food crumbs,.....you name it.

This is an average example of a dirty laptop. Laptop is a Dell XPS 1710 in this case. Uses the same cooling principle your HP laptop does.

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

Shoot air up from the bottom in the fan's air intake duct?
All the Gunk accumulated on the fan's blades, center hub, and surrounding cage, (Shroud), will be crammed into the Heatsink.

Air comes in from the Bottom into the Fan Assembly.
Exhausts out the side.

The cooling system consists of Cooling Tube, Heatsink, and Fan Assembly.
Average example using the Dell XPS 1710's cooling system,

http://www.txcesssurplus.com/servlet/the-4182/Dell-XPS-M170-M1710/Detail

The Cooling Tube is the curved copper looking tube.
Has the small X-shaped aluminum plate on it.
This is just half of the cooling system for the XPS 1710 in the video.

The X-shaped aluminum plate sits on the Processor.
Heat is absorbed from the Processor by that plate, and then absorbed by the Cooling Tube.

The Cooling Tube transfers the heat to the Heatsink.
That is the darkish rectangular finned object, all the way to the right in the photo.

The Heatsink absorbs the heat, then radiates it away with it's Tall, Thin fins.
Air flow from the Fan Assembly, blo-ws through, and around the fins of the Heatsink, and helps carry heat away from the fins.

This is an example of the Fan Assembly,

http://www.parts-people.com/index.php?action=item&id=7977

Small internal black multi-bladed fan, in a D-shaped shroud.
At the top is the opening for exhaust of air, and this opening sits right against the rectangular Heatsink.

Air is drawn in from the Bottom.
Shoot air in the intake duct, and you'll cram whatever Gunk is on that side of the Heatsink, in deeper.
Blow air in through the exhaust duct? Same thing.

See the 'lint blanket' the person removed in the video?
Yeah that. It will be crammed into the Heatsink deeper, if air is blown in from the exhaust side.


Why bring this up?
Because when a Processor exceeds it's thermal limit, (get's too hot), it turns off. (BIOS turns it off)
This is a fail safe feature that is built-in. Keeps the Processor from burning up. (Literally)


2) The statement, "....though fans sounds quiet when the laptop shuts down."

Makes me wonder if the fan is working.
Fan not spinning, or spinning intermittently, or not spinning at the required speed. (RPM's)

3) The HP Pavilion dv2000, Pavilion dv6000, and Pavilion dv9000, series of Notebook PC's; has an inherent problem with cooling for the graphics chipset.
A design problem.

The small metal plate on the Cooling Tube, that sits on the graphics chipset; is too small in surface area.
This allows the graphics chipset to overheat, and causes problems with the mounting of the graphics chipset TO motherboard.

The graphics chipset is soldered directly to the motherboard, with a BGA surface mount.
Uses Solder Balls on the bottom of the graphics chipset, and matching Copper Pads on the motherboard.

Due to repeated overheating, the solder joints (solder connections), made will start to partially melt.
Then re-solidify when the laptop is turned off, and cooled down.
This causes Cold Solder joints, and a poor contact of graphics chipset TO motherboard.

Most of the time the laptop turns on, and runs; but after a while the laptop will shut off. Now an error code is stored, and the laptop will not stay on until the error code is cleared. (Means fixing the problem first)

Just for edification, view this short video in a BGA Rework Station at work. This details the Solder Balls, and the BGA surface mount technology, also,

http://ersa.com/art-ir-pl-650-346-1472.html

Scroll down, click on the Red -
Take a few minutes to view the IR 650 demo video

How to know if it's dirty inside?
HP laptops as a general rule disassemble from the top down.
Remove Switch Cover, Keyboard, and Palm Rest Cover.
From there you can usually get to the Top of the Fan Assembly, and see if it is dirty right off the bat.

However the Processor, and the main part of the cooling assembly; is on the Bottom of the motherboard. This means removing the motherboard to access.

In-between the plates on the Cooling Tube, that sit on the Processor, and graphics chipset; and the top of the Processor, and top of graphics chipset; is Thermal Paste.

This is a medium that fills imperfections of the top of the Processor, top of the graphics chipset; and bottom of the two small metal plates of the Cooling Tube.
It is also an Excellent conductor of heat.

[Graphics chipset usually has a Thermal Pad on it. A cloth like medium that is impregnated with Thermal Paste ]

After time, and due to heat inside the laptop, the Thermal Paste dries up. Looses it's thermal conductivity properties.
All surfaces need to be THOROUGHLY cleaned, and fresh, new Thermal Paste PROPERLY applied.

[Or if a Thermal Pad is used on the Processor, it needs to be carefully peeled off, remnants removed, (Cleaned), and a new piece of Thermal Pad cut to fit. (Has to be the proper thickness also)
Same with the graphics chipset ]

Once I have the Product Number I can guide you in more detail, if you wish.
Post back in a Comment.

Regards,
joecoolvette

Posted on Jan 15, 2013

  • James Bass Jan 22, 2013

    The product number is dv5t 1000. I definitely have been blowing compressed air into the computer without taking it apart. I do not really trust myself with taking apart my laptop so i haven't tried that yet.

  • joecoolvette
    joecoolvette Jan 22, 2013

    NOT good James. I understand your not wanting to disassemble, but by blow-ing air in from the outside; you are cramming the 'Gunk' in tighter. You are working against yourself. [ Gunk = Dirt, dust, hair, lint, food crumbs, carpet deodorizer,....you name it ] Allow me to show you an example of a dirty laptop inside. Dell XPS M1710 Notebook PC used for the example,http://www.youtube.com/watch?v=AkAeE5I5E... The Fan Assembly has been removed. See that 'lint blanket'. Compressed air from the outside just crams this stuff in tighter. Air is SUPPOSED to flow in-between, and around, the fins of the Heatsink. HP Support > Pavilion DV5t-1000 Notebook PC > Main Support page,http://h10025.www1.hp.com/ewfrf/wc/produ... Click on Manuals in the list. Scroll down, click on the blue - HP Pavilion dv5 Entertainment PC - Maintenance and Service Guide. [ Ignore if you are aware; 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, it may take up to 30 seconds; before the first page comes up. Pictorial disassembly guide,http://www.insidemylaptop.com/take-apart... Scroll down to the photo in Step 27. Here to the upper left corner, you can see the Black fan of the Fan Assembly. Scroll down to the photo in Step 31. Here you see the black D-shaped Fan Assembly, and the black rectangular finned Heatsink to it's right. Here we see there are 2 Cooling Tubes, and a small metal plate on each one. Processor is under the one that has it's 3 screws marked in Red. The other small curved Cooling Tube to the right; that has a small square metal plate, sits on the graphics chipset. I have had pretty good luck in the last 3 years on here, in step by step guiding people in this endeavor. I leave the decision up to you. Windows 7 update? Perhaps you are thinking it has something to do with overheating? No. Laptop shutting off frequently? No. Regards, joecoolvette (If you do decide to perform this endeavor, you will need an ESD wrist strap, which averages $3 to $6, Thermal Paste, and Thermal Pad material you can cut a piece out of. Examples,http://www.radioshack.com/product/index.... http://www.tigerdirect.com/applications/... http://www.newegg.com/Product/Product.as... (It's just the Thermal Pad material you get. Another example,http://www.ebay.com/itm/1pc-GPU-CPU-Heat... You take scissors, and cut out a piece the size you need ] Have a shop perform this? Depending on area, and shop you are looking at $75 to $125 for this procedure.

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WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards Remove the memory modules from their slots. Take the opportunity to clean the slots on the motherboards and the memory module connectors. Use compressed air to blow dust away and clean contacts with a soft cloth. Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components. Do not use solvent that may attract dust and never poke things like cotton buds in to slots. lightly rub an alcohol on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs and r Allow the pins to dry. They will air dry in a matter of minutes If reseating the memory did not resolve the issue try swapping the location of the memory. If you have only one stick of memory in the computer try moving it to another slot and then boot the computer. Check the memory module and memory slot contacts. They are either copper tin or gold. The colour will tell you which they are. Mixing tin and gold can result in corrosion that prevents proper contact. Look for any sign of physical damage to the memory module, memory slots or the motherboard. Reseat the memory modules. You should hear an audible click when they are in place. Do not use too much force to reseat the memory module in to the slot this can cause damage to the module, slot or motherboard. The hardware that you are trying to access is damaged or failing.

Capacitor
Capacitors, sometimes also called condensers, are used to store energy in an electric field. In the context of computing, capacitors are used to block the direct current being circulated around the motherboard. A typical capacitor should last up to 15 years, but some computer manufacturers use substandard capacitors resulting in shorter lifetimes. Computer Problems b> When a capacitor has gone bad on a computer you may experience a large range of problems. The computer may have trouble booting up, or it may shut down without notice after running for only a short period of time. The most common problems associated with faulty capacitors are that they cause unexpected computer crashes and general reliability issues ranging from read/write issues to distorted screen images. b> Identifying a Bad Capacitor b> To identify a bad capacitor you will need to open your computer case and locate the capacitors on your motherboard. A bad capacitor may exhibit swelling at the top or the base of the capacitor or it may sit at an awkward angle with the motherboard, so compare the various capacitors in your computer in terms of and placement. Additionally, a bad capacitor may have a funny smell or it may have a brownish residue leaking from the top or the base. b> Prevention b> Manufacturers claim that capacitors may go bad because a computer is not receiving enough power from a power supply, because of an overclocked processor or because a computer is operating in an environment with too much heat or humidity. However, some capacitors prematurely fail due to faulty work on the part of the manufacturer. If you have a bad capacitor be sure to do research as to the lifespan of other products made by your manufacturer. Identifying bad capacitors http://www.youtube.com/watch?v=ngA4k32jLGc Capacitor replacement http://www.youtube.com/watch?v=s0Pn2tEjY04 How to check a capacitor http://www.youtube.com/watch?v=U4tnHA0phcc Replacing a leaking capacitor http://www.youtube.com/watch?v=s0Pn2tEjY04

The device drivers for the hardware are faulty or incompatible. Could be a problem with the Hard Drive or the Hard drives PCB http://www.onepcbsolution.com/ There is a connection problem such as a bad cable
Test all power and data leads that attach to your hard drive SATA
the leads from your MOTHERBOARD TO THE HARD DRIVE make sure they have a secure dust free connections and are not faulty. Although it would be very rare for the sata lead to be faulty. Make sure all leads that are attached to your drives dvd\cd have secure connections and are not faulty Computers need power and data to travel through every working device and continue its cycle and have an end so any faulty leads will end up with a computer error

Hope this helps.

Posted on Jan 15, 2013

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If you over use your power button on your laptop to power on and off, the connection could wear down and do things like that. Checking all the connections to your battery as well is a good idea, but since these often require motion they rarely happen while watching shows.

Posted on Jan 15, 2013

  • Not here Jan 15, 2013

    ^^ that guy above me said it better ^^

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HW_Dude
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SOURCE: hp laptop random shutdown - overheat?

Your CPU is likely overheating. Very likely the thermal conducting material between the CPU chip and the heatsink may have shrunk and now impeades the thermal transfer.
You may need to remove the heatsink and put new thermal paste and perhaps copper shim to restore the thermal contact to the heatsink.

Posted on Jan 12, 2009

  • 2976 Answers

SOURCE: hp laptop shuts itself down

Get a can of air and really blow the intake & exaust ports and ALL fins. A laptop cooler really helps with this problem but, you have to blow them out too.
Google HDD thermometer and download a temperature indicator. It will show you when things are starting to heat up. Mine runs between 25-33 degrees celcius and will shut down randomly around 34 or above.

Posted on Jan 29, 2009

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