Question about HP Compaq Presario 1500US (470038-813) PC Notebook

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Compact laptop keeps overheating then cutting off

I have an older compact laptop..Everything still works great except it keeps overheating then shutting down..I have replaced the power cord once and have checked the vents to make sure that there are not any obstructions... It has the older operating system windows 2000xp home edition.. I am using as a desktop and laptop...Any suggestions? Thank you....

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  • bromayo1 Dec 13, 2008


    Thanks for the quick response...It doesn't appear that the fan has seized up..It is spinning...just goes from low fan at bootup then about 15 minutes later kicks in at high fan stays in high fan for about another 15 minutes or so then gets hot and shuts down....cant figure it out

  • bromayo1 Dec 13, 2008


    on th clarification....vents cleaned...overheats following the routine I outlined in my response to Geekman...Other suggestions?

  • Angelo Attard
    Angelo Attard May 11, 2010

    when does it overheat and has the fan vents been cleaned


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Check the fan, it may have stopped spinning. If the fan bearing has seized, you may be able to free it by removing the fan label covering the bearing and oiling it. If it does't work, replace it.

If the fans spins freely then remove the fan and clear dust from the heat sink fins.

Posted on Dec 12, 2008

  • Chris Hingee
    Chris Hingee Dec 13, 2008

    The heat sink is under the fan, you have to remove the fan to get at the heat sink to remove the dust.

    A clog heat sink will cause the CPU to over heat, use a small stiff brush plus vacumm to remove dust.


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Acer Aspire V5-571-6869 15.6-Inch HD Display Laptop overheating

How To Diagnose and Fix an Overheating Laptop

One of the most common issues with aging laptops is overheating, something many people aren't sure how to fix. We'll help you figure out what's causing the heat and how to keep your notebook functioning at a lower temperature.

Overheating computers can cause a lot of problems, from seemingly random blue screens to data loss. You might not even know that it's the root of your issues, and before you know it you have a burnt-out motherboard on your hands. Let's go step by and step and see how to deal with overheating computers. We'll be dealing primarily with laptops, but most of the same principles apply to desktops as well.

Find the Heat Source

Air Flow and Heat Transfer

The first thing you need to do is figure out where the heat is coming from. No air flow means no heat transfer, so figure out where the air vents are. Are they blowing hot air, or is there barely a breeze, even when the fan is overtaxed?

Most commonly, an accumulation of dust in the vents and fans through the cooling channels will be culprit in restricting air flow. Cleaning it out will work best. Turn you laptop upside-down and look at what you've got.

Unscrew the fan doors and you should be able to lift out the fan and clean everything with a can of compressed air.

If you find that a fan is spinning erratically, you may want to try lifting the sticker off of the axle and putting a drop of mineral oil to keep it going.

You can also try to look up the part number from your laptop's user manual or by searching your laptop model number online. Once you have that, you can find replacements pretty easily on eBay and the like.

Dying Batteries

There are plenty of different types of batteries, and many different schools of thought on battery maintenance and life span, but one thing that seems pretty unanimous is that batteries aren't meant to be stored at 100% or 0% capacity. I know plenty of people who buy laptops and always keep the charger in, never actually using the battery. You can definitely expect to kill your battery's health this way, since you're essentially storing the battery when it's full. Bad batteries don't just give out really quickly, they can generate heat.

You can buy replacement batteries pretty easily online, even for laptops that are four years old. You just need to know what model your computer/battery is. If you can't find one, you may consider using your laptop as a desktop and remove the overheating battery completely from the equation.

Persistent Overheating

If you've taken the air vents and battery out of the picture and you're still having problems, then you might have a more persistent heat issue. Sometimes a dusty hard drive can cause heat problems and data loss. Some laptops just "run hot," even without a major load on the CPU. Try cleaning out these areas as best you can before you move on to another solution.

Dust under the processor and RAM doors to get rid of any dust and debris. If you've got a netbook or a laptop without compartments underneath, things might be more difficult. You should be able to find instructions for getting the back off so you can clean things properly.

Lighten the Load

If your computer's heat is related to how much data the CPU chugs through, you might want to manage your processes better. You can use the Windows Task Manager to see what's most intensive, then use Autoruns to see all your startup processes and trim them down. You can also change the order of the startup processes that are necessary. The staggered loading of software will help balance your processor's load.

You can install and run Process Explorer to see the files that each process has open and its associated CPU usage over time. This can help you decide what to get rid of and what to spare. We're also big fans of CCleaner, which allows you to clean history and cache files as well as manage your startup applications quickly and easily. You can free up some much needed space that way and get a little more efficiency out of your OS.

If you want to keep an eye on the temperature of your laptop, you can use an application like Speccy or any number of others to keep an eye on what's going on.

Another thing you can do is turn that fancy Aero interface off, and you can create a shortcut to quickly toggle it if you can't live completely without it.

If you're using Linux instead, you might want to consider a more spartan distro. I've personally had a lot of success with Crunchbang; a clean install leaves me with Openbox as a window manager, a nice dock, and some nice desktop effects, along with only 80MB of RAM usage. It's based on Debian, so there's a good amount of compatibility with software. If you run Arch, you might want to try ArchBang instead, which is the same thing but built on Arch instead of Debian.
Behavior Changes

Laptop owners have a lot of luxury by not being tethered to a chair and desk. We develop a lot of habits, like browsing in bed, that can actually work against of computers. A lot of laptops are designed with their air vents on the bottom for some ridiculous reason, so setting it down on soft bedding or carpet for prolonged use is a bad idea. You'd be surprised at how quickly the heat can build up. If you this is a habit, you might consider investing in a laptop stand to keep the air flow unobstructed.

CoolLift Laptop Stand

If none of the above methods helped cool your laptop sufficiently, you might consider using a cooling pad, like this:

Laptop Cooling Pad (USB Powered)

The fans will help direct cool air into the underside vents of your laptop. Some even come with USB hubs and other bells and whistles.

If your vents are placed on the sides or elsewhere, but the bottom of your notebook is still really warm, you can try out a thermal (passive) cooling pad.

Targus Thermal Cooling Pad

These are soft pads filled with special crystals that are designed to conduct heat away from the source. You can find thermal cooling pads in smaller sizes, too. I used a 9" one for my old netbook and it did wonders for me.

Sure, these will make your laptop less mobile, but if it helps with overheating then at least you'll have a laptop that runs.

Repurpose It
If you can't use it as a laptop anymore, consider repurposing it. The compact motherboards fit great inside of older and smaller computer cases and cardboard boxes. These kinds of rigs are great for in-drawer HTPCs, closet-servers, or under-the-desk mounted workstations. You'll have to be a bit more careful if you leave the guts exposed, but depending on the room, it can cut down on dust problems. You can also regulate air flow a bit better and mount some standard computer fans in clever places, like in the back and sides of the drawer or desk.

Another idea is to try running a very light-weight version of Linux, and use it for something that isn't very CPU-intensive, like a file server. The lack of processor-heavy tasks will keep the temperature low, but you can still get some use out of it. And, if you're only ditching the battery, then you can leave things inside the case and stick it on a shelf as a head-less (SSH and command-line only) server. The possibilities are endless!

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Hp laptop dark screen(no ccf backlighting)

I recently worked on a Hp laptop with no bakclighting. Everything is on the screen except you cant see them because the backlighting do not work. First I thought it was the circuit driver.Then came to findout it was part of the motherboard that controls the backlighting circuit. The customer told me the laptop was overheated because he had left it on a soft surface and the vent was blocked. I had replaced a few small components on the motherboard andgot it to work. They are extremely small so it would require jewelers magnifying glass or a microscope.

on Jul 22, 2010 | Computers & Internet

1 Answer

When i play NFS MOST WANTED game, the display crashes. please help me to resolve it. computer specifications: HP 15.4" WINDOWS 7 HOME BASIC (64 BIT) 3GB RAM 300GB HD 1GB ATI premium Graphics...

you may want to check the temperature inside you computer. While playing the game better check if the temperature will not rise. See if all fans or blowers are working. You may need to install additional fan to keep mainboard cool and prevent it from overheating.
These are most common for those laptop with higher specs.
There are laptop stands available with cooler in the bottom. This is most advisable for users who will use their laptop for computer gamings and programs requiring graphics displays.

Jan 22, 2011 | HP Pavilion dv6000z Notebook

1 Answer

Have a Toshiba L300 which keeps cutting out for no apparent reason. Gives no indication that it is going cut out.

Overheating is the problem, to get rid of it you need to clean the fan and the heat sink of the laptop.
System automatically turns off in the case of overheating to save your hardware from any damage.

Click here to watch a tutorial on how to clean a laptop fan.

Hope this helps, Please feel free to ask me any further, Please rate positively.

Apr 06, 2010 | Computers & Internet

1 Answer

Laptop cuts off during operation and when I attempt to log back on it cuts off again.


Thank you for your query

Please do the following steps to narrow the problem down

1) Switch on the laptop
2) Once switched there may be a meeage that says press del or F12 to enter setup, if not try the del key or F12
3) This will being you into the bios screen, once in there let the laptop run, if the laptop keeps cutting out in tis mode, you will have a overheating issue

If it is overheating then try cleaning out the vent where the hot air comes out from, if that doesnt looked block then it looks like the Heat sink (the fan that cools the CPU down) is faulty and will need to replaced.

If however it does not cut out then you have a sftware issue and i would recommned a clean install

Hope this helps

If this has been useful please leave positive feedback/vote

Feb 12, 2010 | Northgate Computers & Internet

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Hello, a friend recently brought me a Presario c700 asking me to fix it. When I inspected it, it has occured to me that the entire thing looks completely fine, inside and out, I've checked this thing with...

What I recommend is you remove everything you could possibly remove from the laptop (HDD, mems, cd rom, wifi cards, etc) just to check if it will turn off even when it's not booting or posting. Try turning it on with just the charger and WITHOUT the battery and see if it stays on. If it doesn't, then most likely the mobo itself is the problem.

Oct 06, 2009 | Compaq Presario C700T Notebook

2 Answers

Laptop keeps turning off why?

This could be due to overheating. If you have ever taken a laptop apart then you will have seen that on most laptops the cooling fan draws in air via a grill and then blows this air around the CPU and exhausts to the outside world again. This air is NOT circulated around the rest of laptop case to dissipate heat.
You can try these steps
1. Check your power chord, socket, UPS, everything that leads from the electrical network to your AC power adaptor, but don't forget to check your BIOS settings and software setup, because it's probably your adapter who's sensing an overload of power drain
2. In most cases, an overheating processor due to a build of internal dust is the cause for random reboots or turn offs.

3. AC power adaptor not able to sustain normal power needs (faulty power adaptor) - take care of the same items as those I mentioned at 1.

4. Especially with older laptops, the battery may overheat, simply due to internal battery fault, or charging levels.

5. If you have a new laptop, be sure to have all ventilation openings free, and when used on a desk, try not to allow full contact with the surface - use a book or two to keep the laptop above the desk and have some space beneath it.

Aug 11, 2009 | Computers & Internet

1 Answer

Laptop will not keep current date/time

The BIOS battery is nearly flat and this is causing the time to drift.
Replace the BIOS battery with a new one, then you will need go into the BIOS configuration to set the date and time.

Apr 30, 2009 | Sony VAIO Notebook

1 Answer

Toshiba Satellite harmon/kardon overheating touchpad

Laptops to get hot, but not so they actually burn your fingers.
You say the fan is working and clean, ok , but when it kicks in does it stay on an excessive amount
of time especially under heavy cpu usage?
My first thought is you need the heatsink and arctic silver checked out on cpu, i could be wrong but it
sounds like your getting to the stage of overheating problems, and with prolonged use the laptop
will eventually at around 90C start cutting out.

Mar 31, 2009 | Toshiba Satellite P105-S921 Notebook

13 Answers

Computer turns off by itself

I have a toshiba laptop which was unexpectedly switching off. The laptop was 2 years old. I did lots of searching online to discover this is a VERY COMMON ISSUE. The problem is, dust blocks the heatsink. When I took my computer to pieces, I found a strip of dust half an inch (1cm) thick covering the back of the heatsink which prevented air flow. If your laptop is a couple of years old, this could be the problem. When I removed this dust, the problem disappeared. If you are computer savvy, then try the following - if not, take it down to a computer shop! 1) Remove the 5 screws holding down the heat sink cover and processor cover. These are on the bottom of the laptop, in the centre, at the back. 2) Remove the 3 screws which hold in the heat sink in place. 3) Remove the heatsink 4) Take the dust out 5) Re-assemble a note: be careful not to get dust in the thermal paste on the cpu - unless you have replacement paste. Good Luck!

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