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#1
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Old XP pc died?
My old XP pc stopped workin, the cpu fan worked and the power on light was on. I opened the case and saw there was a heatsink after the CPU blok, loose. It is an alu heatsink with a small contact who pressed on a chip on the board, with 2 metal suspensed fasting, and one was loose. I'm affraid the chip is burnt, should it? I wil try make it fixed and look he will be good. -- ____________________________________________ Bye, BugHunter. |
#2
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Old XP pc died?
BugHunter wrote:
My old XP pc stopped workin, the cpu fan worked and the power on light was on. I opened the case and saw there was a heatsink after the CPU blok, loose. It is an alu heatsink with a small contact who pressed on a chip on the board, with 2 metal suspensed fasting, and one was loose. I'm affraid the chip is burnt, should it? I wil try make it fixed and look he will be good. Does "after the CPU blo[c]k" mean the chipset heatsink was the one that was loose? Does ALU (Arithmetic Logic Unit) mean you have a coprocessor on the mobo? That would be a very old computer. Clean off the old thermal paste (use isopropyl alcohol), *sparingly* put on new paste (should be translucent), refasten the heatsink, and see if the thing boots. Thermal paste will run you about $5. Pretty cheap as a simple fix to see if the computer got healed. |
#3
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Old XP pc died?
VanguardLH schreef op Za 19 Sep 2015 om 16:00:
BugHunter wrote: My old XP pc stopped workin, the cpu fan worked and the power on light was on. I opened the case and saw there was a heatsink after the CPU blok, loose. It is an alu heatsink with a small contact who pressed on a chip on the board, with 2 metal suspensed fasting, and one was loose. I'm affraid the chip is burnt, should it? I wil try make it fixed and look he will be good. Does "after the CPU blo[c]k" mean the chipset heatsink was the one that was loose? Does ALU (Arithmetic Logic Unit) mean you have a coprocessor on the mobo? That would be a very old computer. Clean off the old thermal paste (use isopropyl alcohol), *sparingly* put on new paste (should be translucent), refasten the heatsink, and see if the thing boots. Thermal paste will run you about $5. Pretty cheap as a simple fix to see if the computer got healed. Sorry, I mean aluminium. The contactpoint is only about 10 x 10 mm. There is thermal paste used. Of corse, I can repair the fastening eye and put new paste on it, but shoult he be repaird? Such a small contactpoint points at a big warmth. Also I want to know what is the chip for? AOpen, between CPU and memory banks. A silvercolored heatsink. With at the top the mark AOpen. Sorry for my bad English, I was mostable playing during then English lesson. :-) -- ____________________________________________ Bye, BugHunter. |
#4
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Old XP pc died?
BugHunter schreef op Za 19 Sep 2015 om 23:08:
VanguardLH schreef op Za 19 Sep 2015 om 16:00: BugHunter wrote: My old XP pc stopped workin, the cpu fan worked and the power on light was on. I opened the case and saw there was a heatsink after the CPU blok, loose. It is an alu heatsink with a small contact who pressed on a chip on the board, with 2 metal suspensed fasting, and one was loose. I'm affraid the chip is burnt, should it? I wil try make it fixed and look he will be good. Does "after the CPU blo[c]k" mean the chipset heatsink was the one that was loose? Does ALU (Arithmetic Logic Unit) mean you have a coprocessor on the mobo? That would be a very old computer. Clean off the old thermal paste (use isopropyl alcohol), *sparingly* put on new paste (should be translucent), refasten the heatsink, and see if the thing boots. Thermal paste will run you about $5. Pretty cheap as a simple fix to see if the computer got healed. Sorry, I mean aluminium. The contactpoint is only about 10 x 10 mm. There is thermal paste used. Of corse, I can repair the fastening eye and put new paste on it, but shoult he be repaird? Such a small contactpoint points at a big warmth. Also I want to know what is the chip for? AOpen, between CPU and memory banks. A silvercolored heatsink. With at the top the mark AOpen. Sorry for my bad English, I was mostable playing during then English lesson. :-) I believe it is onboard video. -- ____________________________________________ Bye, BugHunter. |
#5
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Old XP pc died?
BugHunter wrote:
Also I want to know what is the chip for? AOpen, between CPU and memory banks. A silvercolored heatsink. With at the top the mark AOpen. I believe it is onboard video. Onboard video is integrated inside the Northbridge chip of the chipset. Rather than guess what you have, find the model of the mobo. If you do an online image search of the make and model of mobo, you might find a picture of it that you can download. Then edit the photo (e.g., Paint) to add a pointer at the component that had the heatsink fall off. Upload the edited to online storage, like tinypic or imgur, and give the link to the uploaded photo. |
#6
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Old XP pc died?
VanguardLH schreef op Za 19 Sep 2015 om 18:18:
BugHunter wrote: Also I want to know what is the chip for? AOpen, between CPU and memory banks. A silvercolored heatsink. With at the top the mark AOpen. I believe it is onboard video. Onboard video is integrated inside the Northbridge chip of the chipset. Rather than guess what you have, find the model of the mobo. If you do an online image search of the make and model of mobo, you might find a picture of it that you can download. Then edit the photo (e.g., Paint) to add a pointer at the component that had the heatsink fall off. Upload the edited to online storage, like tinypic or imgur, and give the link to the uploaded photo. http://global.aopen.com/products_detail.aspx?auno=58 In the middle you see the heatsink who I talk about. If you zoom in, you see the iron ropes rightunder and leftabove. They are attached to the board with a kind of tab, and one is come loose. It is possible there is an safety system, because the tabs are soldered, i think. -- ____________________________________________ Bye, BugHunter. |
#7
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Old XP pc died?
BugHunter wrote:
VanguardLH schreef op Za 19 Sep 2015 om 16:00: BugHunter wrote: My old XP pc stopped workin, the cpu fan worked and the power on light was on. I opened the case and saw there was a heatsink after the CPU blok, loose. It is an alu heatsink with a small contact who pressed on a chip on the board, with 2 metal suspensed fasting, and one was loose. I'm affraid the chip is burnt, should it? I wil try make it fixed and look he will be good. Does "after the CPU blo[c]k" mean the chipset heatsink was the one that was loose? Does ALU (Arithmetic Logic Unit) mean you have a coprocessor on the mobo? That would be a very old computer. Clean off the old thermal paste (use isopropyl alcohol), *sparingly* put on new paste (should be translucent), refasten the heatsink, and see if the thing boots. Thermal paste will run you about $5. Pretty cheap as a simple fix to see if the computer got healed. Sorry, I mean aluminium. The contactpoint is only about 10 x 10 mm. There is thermal paste used. Of corse, I can repair the fastening eye and put new paste on it, but shoult he be repaird? Such a small contactpoint points at a big warmth. Also I want to know what is the chip for? AOpen, between CPU and memory banks. A silvercolored heatsink. With at the top the mark AOpen. Sorry for my bad English, I was mostable playing during then English lesson. :-) The heatsink fell off your Northbridge. Yes, it could burn, as some of them dissipate 15 watts. If it was a VIA chipset, it might even survive, as some of those were relatively low power (2W to 5W). You can use thermal paste to put the heatsink back on. If the Northbridge has exposed components on top of it (small capacitors), then try not to get thermal paste on them, only on the silicon die. The Northbridge chips with a proper lid on top, you don't have to be as careful when applying thermal paste. Some Dell computers, use an electrical "continuity check". The strap that holds the Northbridge heatsink in place, also is connected to an electrical circuit. If the strap falls off, the circuit is broken, and the computer will not start. That's how Dell protects a few of their computers, from the Northbridge burning because the heatsink fell off. Retail motherboards (AOpen) don't have that protection circuit. ******* In this picture, you can see the metal "torsion bar" with hook fastener on either end. What happens is, the thing that solders into the motherboard, that the bar hooks to, they used the wrong metal for it. The fastener on the end, should have been tin/lead compatible. Instead, the solder does not "stick" to the metal properly. The thing in the motherboard, eventually pulls out. The torsion bar cannot hold down the heatsink (as the motherboard is vertically oriented) and the heatsink falls off. http://www.dansdata.com/images/i845s/bw7sink440.jpg Commercial coolers like this one, cannot be used as a replacement, because the retention here is via push pins. And requires a good-sized hole in the motherboard for the pin. (No! Do *not* drill holes in the motherboard - there are copper tracks inside...) The torsion bar, the holes where the solder thing fits, are no good for this kind of heatsink. http://img-europe.electrocomponents....0467523-01.jpg You could fashion a hook out of the leg of an electronics resistor. A 1/2 watt or 1 watt resistor, you snip the leg off it, twist into a U-shape. Insert that into the motherboard in place of the poorly chosen fastener, and solder that in place. And that can hold the torsion bar in place for another few years. The leg of a power resistor, has excellent soldering properties, and the solder will make a bright shiny solder joint. Note that, solder is *not* intended for structural loading. You'd not supposed to subject solder to constant tension, because the solder joint will eventually fail. So when you insert your copper U-shape as a replacement for the fastener that fell out, you "swage" the ends of the U-shape loop, so it cannot fall out of the motherboard. _ / \ | | --+ +-- --- bend legs at 90 degrees for retention If you examine the history of computers, this poorly thought out torsion bar scheme only lasted for one generation of computers, and the push pin scheme seems to be a better, more long lasting, solution. A metal screw with lock washer would likely be better, but these companies do not like to use screws, no matter what. They insist on doing "stupid stuff". ******* There is also "thermal epoxy". It consists of a two-component epoxy mixture, charged with finely ground boron nitride for thermal conduction. This is a *permanent* adhesive - it cannot be removed if you make a mistake. I do not recommend the usage of this sort of product, because it cannot be removed. But, if you're desperate, and cannot solder the retainer of the heatsink in place, this could be used to hold the heatsink to the Northbridge chip. The thermal properties (heat conduction) of this stuff, might not be quite as good as regular thermal paste used for this task. http://www.newegg.com/Product/Produc...9SIA6UM37Z2597 I'm only mentioning the two-component epoxy, before someone else mentions it. I don't really like the stuff, as there is no room for error. One guy put his heatsink on crooked, and it is stuck on crooked *forever* . He was asking if I knew of a solvent to remove the epoxy, and anything strong enough to attack the epoxy, will eat the motherboard materials too. Paul |
#8
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Old XP pc died?
Paul schreef op Za 19 Sep 2015 om 18:51:
BugHunter wrote: VanguardLH schreef op Za 19 Sep 2015 om 16:00: BugHunter wrote: My old XP pc stopped workin, the cpu fan worked and the power on light was on. I opened the case and saw there was a heatsink after the CPU blok, loose. It is an alu heatsink with a small contact who pressed on a chip on the board, with 2 metal suspensed fasting, and one was loose. I'm affraid the chip is burnt, should it? I wil try make it fixed and look he will be good. Does "after the CPU blo[c]k" mean the chipset heatsink was the one that was loose? Does ALU (Arithmetic Logic Unit) mean you have a coprocessor on the mobo? That would be a very old computer. Clean off the old thermal paste (use isopropyl alcohol), *sparingly* put on new paste (should be translucent), refasten the heatsink, and see if the thing boots. Thermal paste will run you about $5. Pretty cheap as a simple fix to see if the computer got healed. Sorry, I mean aluminium. The contactpoint is only about 10 x 10 mm. There is thermal paste used. Of corse, I can repair the fastening eye and put new paste on it, but shoult he be repaird? Such a small contactpoint points at a big warmth. Also I want to know what is the chip for? AOpen, between CPU and memory banks. A silvercolored heatsink. With at the top the mark AOpen. Sorry for my bad English, I was mostable playing during then English lesson. :-) The heatsink fell off your Northbridge. Yes, it could burn, as some of them dissipate 15 watts. If it was a VIA chipset, it might even survive, as some of those were relatively low power (2W to 5W). You can use thermal paste to put the heatsink back on. If the Northbridge has exposed components on top of it (small capacitors), then try not to get thermal paste on them, only on the silicon die. The Northbridge chips with a proper lid on top, you don't have to be as careful when applying thermal paste. Some Dell computers, use an electrical "continuity check". The strap that holds the Northbridge heatsink in place, also is connected to an electrical circuit. If the strap falls off, the circuit is broken, and the computer will not start. That's how Dell protects a few of their computers, from the Northbridge burning because the heatsink fell off. Retail motherboards (AOpen) don't have that protection circuit. ******* In this picture, you can see the metal "torsion bar" with hook fastener on either end. What happens is, the thing that solders into the motherboard, that the bar hooks to, they used the wrong metal for it. The fastener on the end, should have been tin/lead compatible. Instead, the solder does not "stick" to the metal properly. The thing in the motherboard, eventually pulls out. The torsion bar cannot hold down the heatsink (as the motherboard is vertically oriented) and the heatsink falls off. http://www.dansdata.com/images/i845s/bw7sink440.jpg Commercial coolers like this one, cannot be used as a replacement, because the retention here is via push pins. And requires a good-sized hole in the motherboard for the pin. (No! Do *not* drill holes in the motherboard - there are copper tracks inside...) The torsion bar, the holes where the solder thing fits, are no good for this kind of heatsink. http://img-europe.electrocomponents....0467523-01.jpg You could fashion a hook out of the leg of an electronics resistor. A 1/2 watt or 1 watt resistor, you snip the leg off it, twist into a U-shape. Insert that into the motherboard in place of the poorly chosen fastener, and solder that in place. And that can hold the torsion bar in place for another few years. The leg of a power resistor, has excellent soldering properties, and the solder will make a bright shiny solder joint. Note that, solder is *not* intended for structural loading. You'd not supposed to subject solder to constant tension, because the solder joint will eventually fail. So when you insert your copper U-shape as a replacement for the fastener that fell out, you "swage" the ends of the U-shape loop, so it cannot fall out of the motherboard. _ / \ | | --+ +-- --- bend legs at 90 degrees for retention If you examine the history of computers, this poorly thought out torsion bar scheme only lasted for one generation of computers, and the push pin scheme seems to be a better, more long lasting, solution. A metal screw with lock washer would likely be better, but these companies do not like to use screws, no matter what. They insist on doing "stupid stuff". ******* There is also "thermal epoxy". It consists of a two-component epoxy mixture, charged with finely ground boron nitride for thermal conduction. This is a *permanent* adhesive - it cannot be removed if you make a mistake. I do not recommend the usage of this sort of product, because it cannot be removed. But, if you're desperate, and cannot solder the retainer of the heatsink in place, this could be used to hold the heatsink to the Northbridge chip. The thermal properties (heat conduction) of this stuff, might not be quite as good as regular thermal paste used for this task. http://www.newegg.com/Product/Produc...9SIA6UM37Z2597 I'm only mentioning the two-component epoxy, before someone else mentions it. I don't really like the stuff, as there is no room for error. One guy put his heatsink on crooked, and it is stuck on crooked *forever* . He was asking if I knew of a solvent to remove the epoxy, and anything strong enough to attack the epoxy, will eat the motherboard materials too. Thanks for your comprehensive answer. See mij reaction on Za 19 Sep 2015 om 18:18 -- ____________________________________________ Bye, BugHunter. |
#9
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Old XP pc died?
BugHunter wrote:
VanguardLH: BugHunter wrote: My old XP pc stopped workin, the cpu fan worked and the power on light was on. I opened the case and saw there was a heatsink after the CPU blok, loose. It is an alu heatsink with a small contact who pressed on a chip on the board, with 2 metal suspensed fasting, and one was loose. I'm affraid the chip is burnt, should it? I wil try make it fixed and look he will be good. Clean off the old thermal paste (use isopropyl alcohol), *sparingly* put on new paste (should be translucent), refasten the heatsink, and see if the thing boots. Thermal paste will run you about $5. Pretty cheap as a simple fix to see if the computer got healed. Sorry, I mean aluminium. The contactpoint is only about 10 x 10 mm. There is thermal paste used. Of corse, I can repair the fastening eye and put new paste on it, but shoult he be repaird? Such a small contactpoint points at a big warmth. Also I want to know what is the chip for? Only you, so far, know what model of Aopen motherboard that you have. I can guess it is the Northbridge chip of chipset pair but a model would let others know what to look up. If you know the model of mobo, you can go to the maker's web site and get the online copy of the manual which should have pictures mentioning what are many of the components on that mobo. |
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