Clean the dust out of the CPU cooler fins
SOURCE: Blinking Power LED ... no other action
Hi switchblade, Some of this will seem basic or even a rehash of what you?ve already done but please keep an open mind. The one thing I?ve learned over the years is never assume anything especially when things aren?t working like they?re supposed to. -The first thing I would do is to check each screw, card, connector and component you installed to make sure nothings being shorted out or is improperly connected. Common occurrences are screws touching capacitor or other component leads. -Check the power connectors to make sure everything is connected correctly and that all the contacts are still mounted in the plastic connector correctly. -Check the output on your power supply and verify it?s rated for your motherboard. It?s possible that whatever caused them to replace the motherboard could have been caused by a defective power supply or vice versa. -Make sure the motherboard is correctly grounded to the chassis per your instructions. Typically the mounting screws touch a grounding plane on the motherboard and in turn ground that to the chassis. If your using plastic mounting studs that might be a problem. -Verify the power switch is working correctly. -Make this as basic a machine as possible: remove and add in cards (except primary video card), remove all USB components, reduce the size of your memory (RAM) and if you have multiple hard drives remove all except your boot drive. -Try a more basic known good video card, a PCI if you have one. -Again whatever problem caused MSI to warranty replace your motherboard could have damaged your processor or memory. I would have expected a beep code but if you?ve gotten this far without resolving your problem we?re running out of possibilities. -If nothing changes can you tell us some more about the status of the computer or what led up to this? Did you just build it; just install a new part, power problems, anything? Let us know what you turn up and please don?t forget to rate the posting.
SOURCE: Computer will not turn on
The only way you can see if it the motherboard or the card is to try them in different machines I.Eputting the card in a buddys pc and try another AGP card on your board. I am glad that we were able to figure out the problem
SOURCE: PC dead. Replaced power supply. No lights. No nothing.
When that happens it is usually the motherboard.
To test parts you need a benchmark.
PSU can be tested using a multimeter.
Motherboard is tested using a tester like this one:
PCI Test Card, PC Analyzer, Motherboard Test Card
Ram and CPU (CPU sometimes get damaged) are usually not damaged by this kind of problems, they can be tested mounting them on a working motherboard. For the RAM we also use a RAM tester that costs about $200.
Ensure also that the switch contacts to new motherboard are installed properly. A technician can test cabinet power switch using a multimeter, or carefully bridging with a screwdriver the switch on contacts on motherboard (do not do this unless you are sure about what you are doing)
Test the new PSU on a different socket, when a PSU blows , it may damage the main socket.
Also remember that new power supply units have two connectors. The big rectangular main one (24 pin) and a smaller 4 pins squared one.
As an home user you may not have access to testing equipment, therefore my suggestion is.
Ensure you are using the right PSU.
Ensure that the motherboard is connected to power switch.
Test the new PSU with a multimeter.
Examine the motherboard for blown or leaking components and burnt areas.
If you do not find anything, but the mainboard is still not working, then buy a motherboard-cpu bundle compatible with the PSU that you bought and assemble a new system inside the old cabinet.
Regards.
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