Dell XPS 600 motherboard failure
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From: E on 8 May 2010 01:31 Hi A friend asked me to fix her Dell XPS 600. You try to turn it on, the fans spin, and it shuts itself off after a few seconds. I have searched the web and found several posts in message boards where people have the exact same problem with this machine. Here is one of my favorites, twelfth poster in the thread... http://www.tomshardware.com/forum/255446-28-dell-dead > I had two tall caps to the lower right of the ram slots blow out > the top and a wire coiled inducter right next to them get charred. > Ive found several other rports of this same thing from others. I found the same thing in this machine after I had cleaned the dust out, but wasn't sure at the time if the components looked like that anyway. Then I read his post which confirms it. I have disconnected/removed almost everything and it still will shut itself off after a few seconds. I'm not sure if I will be able to find a replacement motherboard to fit in the Dell case and and have a compatible power connector, etc. for the Dell PSU. Or if the factory installed Dell 650W PSU is what fried the original motherboard. Entering the service tag into Dell Support shows that the CPU is a Pentium D Presler 930, 3.0G, 2X2M, C1. One idea is to find the latest motherboard that still supports this chip, and put it into a new case with a standard (but good) power supply. Or a cheap yet reliable motherboard that will support this chip. I would at least like to salvage the plug in cards, disk drives, etc. Thanks in advance for any ideas (including buy a new one) Ed
From: Man-wai Chang to The Door (33600bps) on 8 May 2010 04:36 On 5/8/2010 13:31, E wrote: > > > Hi > > A friend asked me to fix her Dell XPS 600. > > You try to turn it on, the fans spin, and it shuts itself off after a > few seconds. I have searched the web and found several posts in message > boards where people have the exact same problem with this machine. Do you know how to open the case? Unplug everything except display card (if any), CPU, RAM & keyboard. Try again and report back! -- @~@ Might, Courage, Vision, SINCERITY. / v \ Simplicity is Beauty! May the Force and Farce be with you! /( _ )\ (x86_64 Ubuntu 9.10) Linux 2.6.33.3 ^ ^ 16:36:01 up 3 days 18 min 2 users load average: 1.04 1.06 1.00 不借貸! 不詐騙! 不援交! 不打交! 不打劫! 不自殺! 請考慮綜援 (CSSA): http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
From: E on 8 May 2010 07:41 Man-wai Chang to The Door (33600bps) wrote: > On 5/8/2010 13:31, E wrote: >> >> >> Hi >> >> A friend asked me to fix her Dell XPS 600. >> >> You try to turn it on, the fans spin, and it shuts itself off after a >> few seconds. I have searched the web and found several posts in message >> boards where people have the exact same problem with this machine. > > Do you know how to open the case? > > Unplug everything except display card (if any), CPU, RAM & keyboard. Try > again and report back! > Maybe my message was too long. I did that. I know the MB or PSU has failed. I just need a Pentium D socket 775 replacement motherboard.
From: philo on 8 May 2010 07:59 On 05/08/2010 12:31 AM, E wrote: > > > Hi > > A friend asked me to fix her Dell XPS 600. > > You try to turn it on, the fans spin, and it shuts itself off after a > few seconds. I have searched the web and found several posts in message > boards where people have the exact same problem with this machine. > > Here is one of my favorites, twelfth poster in the thread... > http://www.tomshardware.com/forum/255446-28-dell-dead >> I had two tall caps to the lower right of the ram slots blow out the >> top and a wire coiled inducter right next to them get charred. Ive >> found several other rports of this same thing from others. > > I found the same thing in this machine after I had cleaned the dust out, > but wasn't sure at the time if the components looked like that anyway. > Then I read his post which confirms it. I have disconnected/removed > almost everything and it still will shut itself off after a few seconds. > No need to go further... if the caps are bad...it's time for a new mobo
From: Paul on 8 May 2010 10:55
E wrote: > Man-wai Chang to The Door (33600bps) wrote: >> On 5/8/2010 13:31, E wrote: >>> >>> >>> Hi >>> >>> A friend asked me to fix her Dell XPS 600. >>> >>> You try to turn it on, the fans spin, and it shuts itself off after a >>> few seconds. I have searched the web and found several posts in message >>> boards where people have the exact same problem with this machine. >> >> Do you know how to open the case? >> >> Unplug everything except display card (if any), CPU, RAM & keyboard. >> Try again and report back! >> > Maybe my message was too long. I did that. I know the MB or PSU has > failed. I just need a Pentium D socket 775 replacement motherboard. Does the Dell software CD that restores the OS, work with a third-party (non-Dell) motherboard ? That would be one issue. To replace that motherboard exactly, you'd be wanting an SLI capable motherboard. If the system has one video card and there are no plans of expansion, then SLI is unnecessary. If SLI isn't necessary (only one video card) or doesn't have other special requirements, you can search on the Asus site, based on the CPU part number. http://support.asus.com.tw/cpusupport/cpusupport.aspx?SLanguage=en-us Use the "Search CPU using" menu. Select "CPU" from the menu. I selected "Intel Pentium D" next, then Pentium D 930... Rev.C1. The returned list has a large number of boards. Some are even current. For example, boards with P5Q in the name, would be P45 boards. And those are likely to stop shipping soon, if they haven't already. P5Q SE Plus http://www.newegg.com/Product/Product.aspx?Item=N82E16813131347 Next problem. Your current motherboard is BTX, with a "backwards" layout. This was done, so the huge CPU cooler and its fan, could also cool the chassis. That is going to severely limit what motherboards you can use. And if you go to Ebay, and look for an XPS motherboard identical to the one you've got, it could be damaged in the same way too. I think I see discoloration on two caps here. I found this on Ebay yesterday. http://www.millenniacomputers.com/images/DELL_XPS600_5.jpg If you changed to a new chassis, you could reuse a lot of the components. Put in your P5Q SE Plus, then reuse the processor. The cooler will have to go. For an LGA775 cooler, you could use one of these. This is the cooler I use on my system. This would take the place of the Dell "blob". The separate chassis fan on your new computer case, would carry the hot air from the CPU cooler, out of the computer case. http://www.frostytech.com/articleview.cfm?articleID=2288 So you're saving a bit, spending a bit. It is a big project, with challenges. Inspect all the cabling carefully, for other gotchas. The Dell might not even have standard connectors for Reset_Switch, Power_Switch, IDE_LED, Power_LED, Case_Speaker and so on. So there are plenty of little details. But it can be done. The pinout on the power cable, looks to me to be standard. Compare to the wire colors in the ATX spec to be sure. Sometimes, a Dell has custom secondary connectors, for powering who knows what. In any case, there is a good chance you can reuse the power supply on the machine. http://www.formfactors.org/developer/specs/ATX12V_PSDG_2_2_public_br2.pdf For a replacement OS, there is still WinXP Home OEM available for sale (I'm not sure what DSP OEI means though). That is, unless you can find some other way, to solve the Dell "branded" CD problem. http://www.newegg.com/Product/Product.aspx?Item=N82E16832116583 Paul |