bbear2Premium
join:2003-10-06
94045
kudos:3 | reply to neonhomer
Re: [motherboard] Dell Optiplex 390 You can put whatever MB you want into that case as long as it fits. BTW - when you replace the MB, it's no longer a Dell  .
Before you go further, have you removed all unnecessary devices to eliminate other possible problems?
1. DVD/CD drives,
2. Hard drives,
3. Solid state drives.
4. Sound card.
5. Modem card
6. Networking card
7. All but 1 stick of memory.
8. External video card if there is on-board video
All of these are not need to pass POST and enter your bios.
Also, be sure that the obligatory 4 (sometimes 6 or 8) PIN 12V CPU plug is plugged into the MB.
If still doesn't pass POST clear the CMOS and try again. |
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 neonhomerKK4BFNPremium
join:2004-01-27
Edgewater, FL | Strangely, I didn't disconnect any of those. DOH!
It doesn't have any cards.. Sound, video, and networking are all integrated.
I will have to go do this and see what happens. I was told it took a strike through the Ethernet port.
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"F is for Fire that burns down the whole town...
U is for Uranium...... Bombs...
N is for NO SURVIVORS!!!!!" Sheldon Plankton
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 kvn864
join:2001-12-18
Glendale, AZ
kudos:1 | Looks like this is just regular socket 1155 mATX motherboard that you can get cheaper then 129 dollars. If the back I/O plate detachable you are set. I agree, the board is fried, CPU can be OK however. I’d start there. Hope PSU is in working condition too, lightning can do damage. Good luck. |
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neonhomerKK4BFNPremium
join:2004-01-27
Edgewater, FL | This works for me. I will have to look, but I think the I/O plate is removable.
I have a backup ATX power supply that I keep around the house for testing. A 500w Antec. I swapped that into the system with no luck.
I could drop the CPU (a Intel Core i3) into my new system I just built, but I don't want to risk damaging my new system with a bad CPU.
I will try resetting the CMOS, and unhooking the drives, but I think the board is done.
Now the shopping begins... again....
--
"F is for Fire that burns down the whole town...
U is for Uranium...... Bombs...
N is for NO SURVIVORS!!!!!" Sheldon Plankton
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kvn864
join:2001-12-18
Glendale, AZ
kudos:1 | Your i3 will not damage the board, I don't think. But yea, just look for motherboard and replace that. And then it will be desus (Dell - Asus) |
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neonhomerKK4BFNPremium
join:2004-01-27
Edgewater, FL | What sucks is the computer came with a Windows 7 Pro license. With the motherboard gone, it's no longer a Dell, so the license is no longer valid....
I was referring to the i3 possibly being bad, and damaging my new system (Which has a MSI board in it.) |
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kvn864
join:2001-12-18
Glendale, AZ
kudos:1 | I think with the call to Microsoft you will be alright, It is still the same computer. If your motherboard goes out you can still legally replace it and use the same key. |
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neonhomerKK4BFNPremium
join:2004-01-27
Edgewater, FL | Well, did some checks on the system. Pulled SATA cables, and both memory sticks off.. I get POST error code.
Put one stick in, fans come up, but no video. Swap sticks, same thing.
I hate to, but I need to test everything in this box before I buy a new motherboard. So looks like I am going to have to pull my new system apart, swap in the ram, test it. I hate to swap processors, cause then I have to re-goop my HSF.
--
"F is for Fire that burns down the whole town...
U is for Uranium...... Bombs...
N is for NO SURVIVORS!!!!!" Sheldon Plankton
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