Question about Dell Dimension 5100 (D51L1) PC Desktop

1 Answer

RE: High Hard Drive Temperature

Comment by cosmo_aka, posted on May 23, 2008
I looked at the hard drive cooler you suggested and it looked way to big for the space I have. The hardrives are set very close (see manual) and just a small amount of space underneath the bottom. Apparently with any of these coolers a good bit of modification is necessary.

Just trying to find the easiest thing to install into Dells strange configuration. Looking at maybe using a case fan or cpu fan (if I can find one small enough!) to try mounting underneath the 2nd drive.

With the computer case open I aimed an old desk fan at the hard drives and it lowered the temps considerably. Maybe just drilling some tidy holes in the side of the case and using this simple rig is the answer? :)

Thanks for your reply. Any other ideas are welcome

Cos'

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  • cosmo_aka May 24, 2008

    Thans Jeff



    I've been looking at all the options around and taking your recommendations seriously. There are way more options when you take airflow, ambient temperature etc. into consideration and not just the hard drive as a single entity.



    I'm going to do some more research and get this baby cooled down. Thanks again! -Cos

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Hi cosmo - I apologize if you were working with someone. A couple of things I just wanted to touch on. Depending on how many hard drive bays there are (schematics weren't clear), you never want to put two drives in consecutive bays if it can be avoided. This will allow for air flow around the drives. Also, just wondering if you've considered a pci/bus cooling card. The key to cooling hard drives is air flow. With a cooling card you could add two more fans inside your case. There are actually many kinds of cards out there. There's even pci cards that require two pci slots and circulate air at a good rate. Make sure sure your cables are tied together as much as neatly as possible to help with air flow. Make sure you have at least 6 inches of clearance on all sides of your case if possible. Make sure your case is properly seled so you won't lose circulating air. Personally, I'd try the cooling card. There's plenty to choose from. Thanks. If you need more input just holler. Thanks. PLEASE rate fixed or don't rate at all. We don't like anything less. Just hurts our ratings. Like I said if you'd like more help just add a comment and I'll be happy to assist you further.

Jeff

Posted on May 23, 2008

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Inspirion 531S powers on. System overheats. I replaced the fans and put in a larger 300 w power supply. Some of the voltages go high causing the fans not to run. The high CPU temperatures trigger a system...


Hi

The 300W Power Supply Unit is still somewhat under-powered 550W is required so that the computer is powered by a PSU working under minimum load strain and well within its power output capacity. 300W is the original Specification, See here:

http://support.dell.com/support/edocs/systems/inspd531/en/OM/appendix.htm

See here:

Expensive, High Heat Conductive, Hot Metal, Medium Quality, Low Power, Dell PSU

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Relatively Good Value, High Quality, Low Heat Conductive, High Power, Dual Fan, Logisys PSU

http://www.amazon.com/LOGISYS-Clear-24Pin-Power-Supply/dp/B000CRHJKA/ref=sr_1_1?ie=UTF8&qid=1315113088&sr=8-1

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Sometimes, positioning the base unit directly on a carpet with a thick shaggy pile, or enclosing in it, during use in a poorly ventilated under desk cubby hole, next to a radiator, or in place receiving direct sunlight, polarised by glass in the nearby windows or some similar place can have a underestimated impact on the base unit's ability to cool itself when in use. Cooling is essential for the CPU, Motherboard Chipset, Graphics Card or onboard Graphics Chip, Hard Drive and RAM Memory. All need to be as cool as possible to work at optimum efficiency and the performance of each suffers drastically when exposed to over hot conditions, particularly the CPU which, from stone cold, can reach the temperature of boiling water within seconds of the computer being powered up and will underperform, overheat and shut down at the merest incidence of over hot conditions. So review all the salient cooling issues, then consider adding a separate, dedicated, fan cooled graphics card, its GPU Fan adding to the efficient cross circulation of cooling air to more of the interior and, also, its own built-in GRAM freeing up the 16Mb, 32Mb, 128Mb or 256Mb of System RAM that the on-board graphics chip borrowed from the RAM Modules. RAM that has to work less hard, works at a cooler temperature and thus more efficiently. The CPU works more efficiently as it no longer has to compensate as much for the loss of System RAM previously commandeered by the on board graphics, so it also generates less heat in doing so. Consider removing the (usually) green coloured, plastic Heat Conduit over the CPU and changing the CPU Heat Sink for a more effective, higher quality one, the leaving the conduit to one side. Cooling is about the rapid movement of vast volumes of air. The conduit works against itself by unnecessarily confining the hottest component in the case - the CPU. See an example here:

http://www.amazon.com/Cooler-Master-RR-910-HTX3-G1-130-Watt-Hyper/dp/B0028Y4S9K/ref=sr_1_1?s=electronics&ie=UTF8&qid=1315114816&sr=1-1

Consider also Inexpensive but beneficial, cooling Motherboard Chip and RAM Heat Sinks for the RAM Modules. Inexpensive, underside fan powered Hard Drive Coolers that screw to the underside of Hard Drives. See examples here:

http://www.amazon.com/Thermaltake-TMG-HD1-HDD-Cooler/dp/B000ZM8D4I/ref=sr_1_1?s=electronics&ie=UTF8&qid=1315115079&sr=1-1

http://www.amazon.com/Zalman-VGA-Ram-Heatsinks-ZM-RS1/dp/B0009YIJ2I/ref=sr_1_3?s=electronics&ie=UTF8&qid=1315114910&sr=1-3

http://www.amazon.com/gp/customer-media/product-gallery/B0009YIJ2I/ref=cm_ciu_pdp_images_3?ie=UTF8&index=3

The 550W PSU is necessitated by the extra cooling devices you contemplate installing

I hope this helps. If this Answer goes some way towards helping to resolve your Query, Problem or Fault, please take the time to Rate it. This helps Answerers, like me, better understand the needs and the point of view of Askers, like you, and guides us in exploring the best ways to provide the most comprehensive, useful and high quality Responses and Solutions we can. If you need further help, please do not hesitate to post another Question or add a Comment to this Question.

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PC Overheating


Why does the PC keep shutting down whilst in operation?
If you PC keeps shutting down then it means that it is overheating and the shutting down is to prevent it from damaging itself. The optimal operating temperature of all electronics as somewhere around 21 degrees Celcius or 69.8 degrees Fahrenheit ambient air temperature.

4 Things you can do to prevent overheating.

Dust Removal - The first thing you can do to prevent overheating is to make sure your case fans as well as system fans are clear of dust as dust clogs up the flow of air therefore less cool air can reach the hot component. To do this you can use a vacuum cleaner. With a dust free PC you can expect around 10 degrees cooler in some cases, it all depends really on the operating conditions.

Invest in some case fans - Another way to prevent overheating is to invest in some good quality case fans, the sizes vary between 80mm to around 140mm, some can be even larger.

Replace thermal paste - You should always replace the thermal paste under the heatsink of your CPU every 4 to 5 years as over time it gets crusty and becomes less effective at dispersing heat. Thermal paste should be placed in a line about the size of a rice grain on top of the CPU in the centre.

Invest in a good CPU cooler - Most stock CPU coolers are able to keep temperatures at a reasonable level, but better CPU coolers can be purchased if you really want a cool CPU. These can range from Cooler Masters V-Series Air Coolers (V6, V8, V12) to liquid cooling systems by various manufactures such as DeepCool and Corsair. Remember - Most after market coolers are better than the stock cooler supplied with the CPU. For clarification it's best to have a one-on-one chat to a sales person at your local PC store.

There is a great FREE program on the Web called Hardware Monitor by CPUID. You can get it here.
slasher_x_53.jpg
Just click on the 1.17 Setup, english, as shown below circled in red, to download the program.
slasher_x_54.jpg
The Hardware monitor software monitors your systems temperatures in the background whilst you work. It shows current, minimum and maximum temps of your components such as:
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The diplay of these temperatures depends on the temperature nodes in your system. Newer Motherboards will have CPU, North and South Bridge temperature readings. The Hard drive readings depends on your hard driver, most SATA hard drives should have readings. Again the ACPI reading will depend on the quality of your Power Supply.

Harware Monitor also displays the fan speeds of your CPU as well as any fans directly connected to the motherboard.

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you can check zalman's homesite. http://www.zalman.co.kr/eng/main.asp

I can recommend them to you.

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May 16, 2008 | Dell Dimension 5100 (D51L1) PC Desktop

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