Motherboard problem

[pacotito]

I'm having an issue with my board. There was a lightening strike close to my house I'm thinking on the tv/internet since those went down as well. Unfortunately I forgot to unplug the Ethernet from my computer. After the storm passed I plugged the computer into the wall...it powered on for 5-10 secs than off. After that no response at all. I tried to remove componants with no luck in getting it to power on. I can get the psu to turn on and the fans start spinning by shorting the green to black on the psu. As soon as I remove the short the psu stops. I'm thinking something in the motherboard got fried. Any suggestions?

 

Would there be any way to test the CPU without a good board?

[BitMaster]

Hey pacotito,

 

I have fixed dozens of PC's that got killed by a lightning strike, you have a 50/50 chance to have:

 

A: only a fried ATX power supply.

- to check this, attach another ATX and see if it boots but

usually if not only the PSU got fried it won't do anything when you start it, so you might have version B:

 

B: it killed NOT ONLY your PSU but also other parts of your PC that power-wise are located behind

the PSU.

 

To check if "B" is the case, USUALLY you should be able to find popped Capacitors. Any capacitor

that does NOT have a flat top but are dome like or even cracked open with a white-yollowish substance coming out means that that part has been damaged and cannot be repaired.

 

Look closely for fried capacitors, if you find those, then it really hit hard and you can be lucky if your HD/SSD survived. Usually you can dump that thing and claim it hopefully to your household insurance company, if not, you will be left alone with the damage.

 

I highly recommend an UPS to go in-between your wall outlet and your PSU. Good UPS's also feature a RJ11/RJ45 jack to protect the LAN/DSL line.

 

You need a 2nd PC to validate any of your Parts if they are still intact.

 

Bit

[ENO]

Good info there bit- thanks.

[BitMaster]

Thanks ENO,

 

I am not the best Pilot but a good PC technician haha

 

in addition:

 

http://forums.eagle.ru/showthread.php?t=125560

 

read the above thread and my post to check your mobo for the mentioned popped capacitors.

 

"Sometimes" a PSU takes other parts into Hades too when they fry, low-end PSU's especially.

It doesn't pay to save money at the PSU, you are well advised to get a reliable, well tested, PSU.

Check Online Magazines for recommendations. Yes, the cost like twice but it will pay back, sooner or later.

 

Bit

[pacotito]

Well I tested the psu on another board and didn't have an issue. The rest of the parts also tested good. So looks like its a board issue. Hopefully the CPU didn't get any damage.