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Compaq presario freezes

Okay full problem is, if I leave it over night online it auto shut-offs and the I have got to reboot the thing 3 times for it to start up. Then when I load to many things like a game and a browser or I close a large game it freezes and again I have got to reboot it.

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  • Computers & ... Master
  • 5,660 Answers

1) See if it is dirty inside.

The hardware components inside are cooled by air. The Processor (CPU) has a finned Heatsink sitting on it. The fins of the Heatsink absorb the heat from the Processor,(CPU); and radiate it away.

Air flow from the CPU (Processor) fan, helps carry heat away from the fins of the Heatsink.

When a Processor becomes too hot, (Exceeds it's thermal limit), it turns off. (BIOS turns it off)
This is a fail safe feature that is built-in. Keeps the Processor from burning up.

When the computer case fans get clogged with 'Gunk', and the Processor fan does the same; plus in-between the fins of the Heatsink; the cooling capacity of the cooling system, drops tremendously.

This is a general view of a top of a Processor,

This is a general view of a Heatsink/Fan combo, to illustrate the bottom area of an average Heatsink,

Under the Main view are smaller views. Hover your mouse cursor on the small view all the way to the Right.
(Has a Thermal Pad already installed on it. A Thermal Pad is JUNK! More on this later. Look at the surface around that square Thermal Pad in the middle )

The top of a Processor, and the bottom of the Heatsink; are not perfectly smooth.
A magnified view would detail, 'Ridges, Valleys, and Pitholes'.

When the two parts are mated together, Air Pockets are formed. Air in this case is an Insulator; not a Conductor.
Thermal Paste fills the above imperfections, and is an Excellent conductor of heat.

After time (Age), and constant overheating, the Thermal Paste dries up. Looses it's thermal conductivity properties.
Replace the Thermal Paste.

A Thermal Pad is a material that is impregnated with Thermal Paste. As stated, they are Junk! Carefully peel off, removing as much as you can.
Then I use an old credit card, and scrape off as much of the Thermal Pad residue; as I can.
Follow with Q-tips dipped in Isopropyl Alcohol. (Rubbing alcohol)
91 percent or higher is best, but 70 percent will do. 50 percent = No IMHO; because it is now 50 percent Water, and 50 percent Alcohol. You want it to dry up quickly, and have strength to cut the old Thermal Paste, or Thermal Pad residue.
Yes. It usually turns into a gooey mess! Takes a LOT of alcohol soaked Q-tips. How clean? Clean enough to eat off of.
Isopropyl alcohol is EXTREMELY FLAMMABLE!!
Use in a well ventilated area, with NO sparks or flames present.

Thermal Paste is treated the same way. Scrape off as much as you can, use Q-tips dipped in Isopropyl alcohol.
Now PROPERLY apply fresh, new Thermal Paste.

Example of Thermal Paste,

For additional questions please post in a Comment.

Posted on Apr 24, 2013

  • joecoolvette
    joecoolvette Apr 24, 2013

    Forgot to add; FOLLOW Anti-Static Procedures. If you do not know what these are, post back in a Comment. DO NOT reach into your unplugged from power computer, if not following Anti-Static Procedures.......



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SOURCE: Presario s6500nx stops loading at set up screen

sounds like you have board problems.
unplug everything from it first and see if this helps could be something you have plugged up could be bad too.
you will have to open box and look for damage and then one by one unplug something and then reboot to see what it might be.

Posted on Aug 03, 2008

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SOURCE: at start up my computer reboots 2 or 3 times

Hi there!

Try running on safe mode. Here's how you do that power on your PC press F5 continuously untill you see the boot menu and select safe mode. from there run the following: antivirus, checkdisk and spyware removal. hope it helps.

Posted on Mar 18, 2009

  • 3051 Answers

SOURCE: compaq presario wont turn on

Hello there:
when you turn on the computer and look at the back of the power supply and see if the fan is even working and blowing air if not you will want to remove the power supply and either have it tested or replaced there is a linkable fuse in these depending what type you have this fuse may be soldered in place or it may be able to be removed and replaced. ok i hope that this is helpful as what to do.
please dont forget to rate my solution for you.
best regards

Posted on Aug 04, 2009

  • 2 Answers

SOURCE: Emachines w2828 keeps shutting down reboot/Screen Freeze

I dont thing this is a virus problem but a heat problem. if you dont mind getting inside the box see how clean it is and put your hand on the power box case .. then unplug all the hardware except the mother board then turn the unit on, if it goes on then plug 1 hardware at a time.

Posted on Sep 04, 2009

  • 4234 Answers


Make sure that the CPU fan is clean and free to turn. The main fan should have a connector with 3 wires. Two are for power and the third returns the fan revolution count. If the fan is not being seen as spinning, the system will shutdown.


Posted on Nov 06, 2009

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