Is my mobo fried?

June 11, 2012 at 09:14:42
Specs: Windows 7, q6600/4GB DDR2 800
I have a ZT Systems Core i5 processor with an MSI H55M-E33 mobo, about 2 years old system. Yesterday the system shut down. The power button did not work. I took off the side and noticed that no lights were on at all on the mobo. Even the light by the DSL plug in, nothing at all was on. I replaced the power cord, turned the power supply (Corsair 750 watt, about one year old) on and off, still nothing, no lights and no power. Is my mobo fried? Any suggestions as to getting it up and running, and is there any way to get the data off of this hard drive?

Thanks in advance for any help in this matter.

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June 11, 2012 at 09:44:27
Hi Rich,

As a tech, I've seen this issue several times and every time I've seen it, it was a different piece of hardware causing the issue...

The first thing I try is connecting a different power supply that has a similar watt output. That means completely disconnecting your current power supply and connecting everything that had power before to the different power supply. I have found that the power supply is the most common failure because the power to our homes isn't always as clean as we think it is and too many brown-outs or power surges, no matter how minor, can take a toll on a PSU even with a surge surpressor.

The second thing to try if the power supply doesn't make a difference is to disconnect any PCI/PCIe or Graphics cards, disconnect any extra drives (leave primary system drive connected), and remove all of the memory; then try turning the comptuer on, if it is working correctly, it should buzz/beep at you because there's no RAM. If you get no buzz/beep, the mobo could very well be shot. if you do get a buzz/beep, try putting in 1 RAM card at a time and try turning on the computer. if it works, keep adding hardware back to the computer until you find the culprit. Once found omit it or replace it!

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June 11, 2012 at 09:46:36
If you jumped the power connector to turn on the PSU and you did check all the voltages then we can assume some major issue.

You need to test voltages with only a hard drive power connected and nothing else. Then test all voltages with a jumped on psu.

Better to use a known good one by the way.

If OK then move on to the first post items. There is two posts that a computer does. One is a quick test to see if it can run the post. Remove cpu and all cards and all memory and see if power will come up. Then go from there.

Hang up and live.

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