replacing MOBO on Dell Dimension 4600
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Posted by weekendwarrior on May 27, 2006, 8:31 am
Please log in for more thread options not turn on at all. Dell walk through chat had me remove all internals ie: drives, memory, pci, agp, etc. After pluging back into wall outlet and waiting a few minutes the system seemed to try and turn on by itself. I reconnected all internals but would not restart. Removed all but memory and HDD. When i plugged it back into the wall socket it immediatly wanted to start by itself.....fans were turning on and off in a cycle. I then powerd on and the computer started xp after warning no floppy and no optical drive present. The computer was loaded with spyware. I installed CA's eTrust EZ Armor and removed over 1000 suspicous files many were duplicates. After reinstalling all internals, I once again plugged into wall outlet and after a minute or so the unit did seem to want to power on by itself only once. I have to wait for this to happen before i can power the unit on (nothing happens when hitting the power switch unitl this "auto power cycle happens") The pc seems to behave normal except when power is lost to the unit it always need to wait a minute before it will accept input from the power switch. Does this seem like a defective MOBO? Somone else tried a new power supply with no change in behavior. Second question is what mobo to buy? Dell wants $150-$175 for a replacement which is not in stock. Here is the dell config. http://support.dell.com/support/topics/global.aspx/support/my_systems_info/en/details?c=us&cs=19&l=en&s=dhs&~tab=2 So far all i know i need is a socket 478 for the pentium 4 2.4ghz processor. Also need floppy drive support, AGP for video, pci for sound and modem. Shall i stick with the intel chipset? Does it matter? I checked at tiger direct i would like to get a MOBO without video since I have an agp card. Here is a link of there 478 MOBO's. Looking for an inexpensive card without making a downgrade. All help is appreciated and just to let you all know I consider myself a newbie. http://www.tigerdirect.com/applications/category/category_slc.asp? CatId=182 Thanks in advance, Eric | ||||||||||||||||||||||||||||||||||
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Posted by Pen on May 27, 2006, 8:43 am
Please log in for more thread options >
Attempting to use Dell cases with non Dell mobos is not a good idea for
> > So far all i know i need is a socket 478 for the pentium 4 2.4ghz > processor. Also need floppy drive support, AGP for video, pci for > sound and modem. > > Shall i stick with the intel chipset? Does it matter? > > I checked at tiger direct i would like to get a MOBO without video > since I have an agp card. Here is a link of there 478 MOBO's. > Looking for an inexpensive card without making a downgrade. All help > is appreciated and just to let you all know I consider myself a > newbie. > > http://www.tigerdirect.com/applications/category/category_slc.asp? > CatId=182 > > Thanks in advance, > Eric the inexperienced. Dell used a non standard front panel hookup for the front panel in your machine. Frankly your problems seem to be not related to the mobo, but rather to the power supply or one of the drives. | ||||||||||||||||||||||||||||||||||
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Posted by Jan Alter on May 27, 2006, 9:06 am
Please log in for more thread options Again, as the previous poster (Pen) suggested this sounds like a PS problem
rather than a mb. Additionally, I would be disconnecting all hdd, floppy, CD-ROM/DVD-ROM, and only have video connected to see if it will start, as any peripheral could be causing the non-start problem as well. I would be suspect at even using another standard PS unit to check the Dell out as I don't believe Dell uses standard ATX power supplies; the connectors and or voltages may be different. This could be throwing the equation off that someone substituted another PS for yours and it still wouldn't start. -- Jan Alter bearpuf@verizon.net or jalter@phila.k12.pa.us >
>>I possibly have a defective MOBO. Strange behavior....Computer would
http://support.dell.com/support/topics/global.aspx/support/my_systems_info/en/details?c=us&cs=19&l=en&s=dhs&~tab=2
>> not turn on at all. Dell walk through chat had me remove all >> internals ie: drives, memory, pci, agp, etc. After pluging back into >> wall outlet and waiting a few minutes the system seemed to try and >> turn on by itself. I reconnected all internals but would not restart. >> Removed all but memory and HDD. When i plugged it back into the wall >> socket it immediatly wanted to start by itself.....fans were turning >> on and off in a cycle. I then powerd on and the computer started xp >> after warning no floppy and no optical drive present. The computer >> was loaded with spyware. I installed CA's eTrust EZ Armor and >> removed over 1000 suspicous files many were duplicates. After >> reinstalling all internals, I once again plugged into wall outlet and >> after a minute or so the unit did seem to want to power on by itself >> only once. I have to wait for this to happen before i can power the >> unit on (nothing happens when hitting the power switch unitl this >> "auto power cycle happens") >> >> The pc seems to behave normal except when power is lost to the unit it >> always need to wait a minute before it will accept input from the >> power switch. >> >> Does this seem like a defective MOBO? Somone else tried a new power >> supply with no change in behavior. >> >> Second question is what mobo to buy? Dell wants $150-$175 for a >> replacement which is not in stock. >> >> Here is the dell config. >> >> >>
>> >> So far all i know i need is a socket 478 for the pentium 4 2.4ghz >> processor. Also need floppy drive support, AGP for video, pci for >> sound and modem. >> >> Shall i stick with the intel chipset? Does it matter? >> >> I checked at tiger direct i would like to get a MOBO without video >> since I have an agp card. Here is a link of there 478 MOBO's. >> Looking for an inexpensive card without making a downgrade. All help >> is appreciated and just to let you all know I consider myself a >> newbie. >> >> http://www.tigerdirect.com/applications/category/category_slc.asp? >> CatId=182 >> >> Thanks in advance, >> Eric > Attempting to use Dell cases with non Dell mobos is not a good idea for
> the inexperienced. Dell used a non standard front panel hookup for > the front panel in your machine. Frankly your problems seem to be > not related to the mobo, but rather to the power supply or one of the > drives. > | ||||||||||||||||||||||||||||||||||
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Posted by kony on May 27, 2006, 9:30 am
Please log in for more thread options On Sat, 27 May 2006 12:31:49 GMT, no@spam.invalid
(weekendwarrior) wrote: >I possibly have a defective MOBO. Strange behavior....Computer would
>not turn on at all. Dell walk through chat had me remove all >internals ie: drives, memory, pci, agp, etc. After pluging back into >wall outlet and waiting a few minutes the system seemed to try and >turn on by itself. I reconnected all internals but would not restart. > Removed all but memory and HDD. remove all but 1 memory module, CPU, and video (if not integrated video). I usually write heatsink/fan too but that should be obvious and the fan is probably the rear exhaust fan which should also be left plugged in/running unless you had reason to believe it was shorting out (which is very rare). >When i plugged it back into the wall
>socket it immediatly wanted to start by itself.....fans were turning >on and off in a cycle. I then powerd on and the computer started xp >after warning no floppy and no optical drive present. The computer >was loaded with spyware. There is no need to boot windows yet. Just boot to the bios menus, and if there are system health reports, check those. If it remains functional to this point, disconnect power and reconnect the floppy drive (unless it will boot to USB drives then...) put something like memtest86+ on the drive and run that for awhile. > I installed CA's eTrust EZ Armor and
>removed over 1000 suspicous files many were duplicates. Now I'm a bit confused, the system worked well enough to boot windows complete, install software, run the software and remove some? Was there anything else noteworthy about the hardware, not OS, or did it seem to be fully operational (at least to the extent of what was still connected? >After
>reinstalling all internals, if it had been working, reinstall only a few things at a time trying to determine if any one is problematic. If you have a multimeter, also measure the PSU voltage after adding each thing, and particularly after a problem resurfaces. >I once again plugged into wall outlet and
>after a minute or so the unit did seem to want to power on by itself >only once. I have to wait for this to happen before i can power the >unit on (nothing happens when hitting the power switch unitl this >"auto power cycle happens") That sounds a bit like the power supply but below you mention trying another PSU... was the alternate PSU known adequate for the system and in good working order? >
>The pc seems to behave normal except when power is lost to the unit it >always need to wait a minute before it will accept input from the >power switch. You might check and ask in a Dell forum like this one, since OEM systems can have proprietary quirks from time to time. http://forums.us.dell.com/supportforums/board/message?board.id=dim_other&message.id=210341 >
>Does this seem like a defective MOBO? Somone else tried a new power >supply with no change in behavior. Could be motherboard but since it had booted and ran to remove all those files, I'd suspect some other part, maybe power supply. It could easily be that you won't be able to (or at least it isn't worth the effort to) try to salvage the current windows installation rather than copying off valuable files and doing a clean install of the OS /apps. >
>Second question is what mobo to buy? Dell wants $150-$175 for a >replacement which is not in stock. What do you want? Reuse current CPU, memory, etc, or is it time for an upgrade? Which replacement PSU do you have, can you use it again or what is the rating of the original as this bears on whether newer parts would be supported. I assume the rear ports are standard and it uses a removeable I/O plate in the rear. If this is the case then many mATX motherboards may fit but measure the maximum case internal width, some mATX boards are full-width and some are not. I'm sure I've seen the boards in a 4600 but after a while they all start to look the same. IIRC, it is mostly standardized, including the power supply so you might check someplace that has good pictures of potential replacement motherboards like http://www.newegg.com , and of course research whether a board supports your CPU. >
>Here is the dell config. > >http://support.dell.com/support/topics/global.aspx/support/my_systems_info/en/details?c=us&cs=19&l=en&s=dhs&~tab=2 Link asks for the system tag, which we don't have but is on a sticker on the (side?) of the case. >
> >So far all i know i need is a socket 478 for the pentium 4 2.4ghz >processor. Also need floppy drive support, AGP for video, pci for >sound and modem. Most will have these features. >
>Shall i stick with the intel chipset? Does it matter? yes/no/maybe, it doesn't really matter if you just want to get system running again at least cost, but I'd generally tend to pick a newer rather than older board as in any era of CPU socket, boards tend to get better, and fuller featured. >
>I checked at tiger direct Avoid Tiger, shady business with more than their share of dissatisfied customers and BBB complaints. > i would like to get a MOBO without video
>since I have an agp card. Doesn't matter, so long as it has the AGP slot. "Some" boards might have an additional PCI slot if the AGP slot weren't there, but others will not, you just don't gain anything then by not having the integrated video. >Here is a link of there 478 MOBO's.
>Looking for an inexpensive card without making a downgrade. All help >is appreciated and just to let you all know I consider myself a >newbie. > >http://www.dontshophere.com/applications/category/category_slc.asp? >CatId=182 > Here's a better link, use the Advanced Category Search and input your requirements, http://www.newegg.com/ProductSort/SubCategory.asp?SubCategory=280 once you have a model under consideration, pricematch elsewhere if it's worth the time. | ||||||||||||||||||||||||||||||||||
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Posted by DaveW on May 27, 2006, 7:13 pm
Please log in for more thread options Dell usus PROPRIETARY designed motherboards with unusal socket fittings. I
believe you will find that you can ONLY use a Dell designed motherboard. Standard motherboards will not fit or work. -- DaveW ---------------- >I possibly have a defective MOBO. Strange behavior....Computer would
http://support.dell.com/support/topics/global.aspx/support/my_systems_info/en/details?c=us&cs=19&l=en&s=dhs&~tab=2
> not turn on at all. Dell walk through chat had me remove all > internals ie: drives, memory, pci, agp, etc. After pluging back into > wall outlet and waiting a few minutes the system seemed to try and > turn on by itself. I reconnected all internals but would not restart. > Removed all but memory and HDD. When i plugged it back into the wall > socket it immediatly wanted to start by itself.....fans were turning > on and off in a cycle. I then powerd on and the computer started xp > after warning no floppy and no optical drive present. The computer > was loaded with spyware. I installed CA's eTrust EZ Armor and > removed over 1000 suspicous files many were duplicates. After > reinstalling all internals, I once again plugged into wall outlet and > after a minute or so the unit did seem to want to power on by itself > only once. I have to wait for this to happen before i can power the > unit on (nothing happens when hitting the power switch unitl this > "auto power cycle happens") > > The pc seems to behave normal except when power is lost to the unit it > always need to wait a minute before it will accept input from the > power switch. > > Does this seem like a defective MOBO? Somone else tried a new power > supply with no change in behavior. > > Second question is what mobo to buy? Dell wants $150-$175 for a > replacement which is not in stock. > > Here is the dell config. > > >
> > So far all i know i need is a socket 478 for the pentium 4 2.4ghz > processor. Also need floppy drive support, AGP for video, pci for > sound and modem. > > Shall i stick with the intel chipset? Does it matter? > > I checked at tiger direct i would like to get a MOBO without video > since I have an agp card. Here is a link of there 478 MOBO's. > Looking for an inexpensive card without making a downgrade. All help > is appreciated and just to let you all know I consider myself a > newbie. > > http://www.tigerdirect.com/applications/category/category_slc.asp? > CatId=182 > > Thanks in advance, > Eric > | ||||||||||||||||||||||||||||||||||
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> not turn on at all. Dell walk through chat had me remove all
> internals ie: drives, memory, pci, agp, etc. After pluging back into
> wall outlet and waiting a few minutes the system seemed to try and
> turn on by itself. I reconnected all internals but would not restart.
> Removed all but memory and HDD. When i plugged it back into the wall
> socket it immediatly wanted to start by itself.....fans were turning
> on and off in a cycle. I then powerd on and the computer started xp
> after warning no floppy and no optical drive present. The computer
> was loaded with spyware. I installed CA's eTrust EZ Armor and
> removed over 1000 suspicous files many were duplicates. After
> reinstalling all internals, I once again plugged into wall outlet and
> after a minute or so the unit did seem to want to power on by itself
> only once. I have to wait for this to happen before i can power the
> unit on (nothing happens when hitting the power switch unitl this
> "auto power cycle happens")
>
> The pc seems to behave normal except when power is lost to the unit it
> always need to wait a minute before it will accept input from the
> power switch.
>
> Does this seem like a defective MOBO? Somone else tried a new power
> supply with no change in behavior.
>
> Second question is what mobo to buy? Dell wants $150-$175 for a
> replacement which is not in stock.
>
> Here is the dell config.
>
>