My computer was acting funny, it was rebooting on its own about 2-3 times a day, when it would reboot it would stay on the screen where it counts memory etc. for about 7-10 minutes before going to Windows, thought it was a CPU done.
I went to work and got the CPU out of my computer there, put it in and started my computer, it started to boot, monitor came on and saw boot screen and then it died, monitor shut off, fans shut off, but green light is on the front of case, reset button does nothing and neither does power button. Only way to reboot is to unplug.
Put my old CPU back in and it does the same.
So what did I when I changed the CPU and what was wronng before I changed the CPU. Is my motherboard done?
I dust my system took out my cpu[LGA] clean the surroundings of the socket and re fixed my cpu on the board checked the keying before switching it on after the POST when the operating system started to load the cpu stoped and the green light stayed on.I turned it on again and the cpu stoped the fan stoped but green light stayed on this time with a sharp beep sound.I repeated the process again and this time immediately after the POST the cpu and the fan stopped but green light stayed on.
From Eugene [GHANA]
When I power up, I can hear all the fans starting. About 30 seconds all power drops. I replaced the power supply which gave me the same results. Could it be the motherboard????? Gerry V.
Make sure the cooling fan is properly seated on the CPU, and make sure you have enough (but not too much!) thermal compound covering the CPU's core. That *should* fix the issue.
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Another thing thing to consider is the quality and capacity of the power supply. If the power supply is bad it won't supply power properly which will cause the motherboard to work incorrectly if it works at all. If the power supply is too weak or worn out then the undervoltages will cause the same type of problems.
As habib suggests make sure that the CPU cooler is properly installed with either a thermal pad or thermal compound. Failure to do so may damage the CPU.
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It could be bad RAM. Our HP Pavilion Media Centre did same thing. I ran disk doctor and found that there were failing areas in the system memory. I had to send my unit back 3 times until they actually fixed it. I really think it was bad RAM though. They never really told me what exactly was the problem.
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It seems as if it would be memory but i think the PSU should be checked. Along with the connections, CPU , and reseat the memory. This motherboard is picky with the RAM.
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reebooting as habib said might really be overheating. In any case, since I work with these damn boads, I tell you I changed every part in a computer wearing that board and with the same illness you describe, and the problem still persisted, untill I ended up replacing the board, still with a Biostar but this time with a P4M890, let's be real... same crap different name, but let's also be honest, in 3 months it didn't do that anymore (not it faces other problems like getting stuck in Post and loading the RAM with static electricity). Try Habib solution, if it persits, I really recoment you dive in you paperwork in a quest for your warranty!
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Solution #15
posted on May 23, 2007
Guest
Rank: Apprentice Rating: 0%, 0 votes
although the fault is probably relating to the temp of the processor being too high causing reboot meaning the first answer is correct it could also be a power issue, ie the main power psu unit is failing to deliver enough power to the motherboard and/or processor. Recheck all power connectors on the motherboard but do it with safety in mind at all times.
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First check if it's not over heating(make sure all your fans turn on)Then run an antivirus scan. If all that checks out, then try unplugging your harddrive, to see if boots normally, if it does, then try your harddrive on another pc which you know works. It could be your harddrive going out.If your harddrive works great on another pc. I could be motherboard related problem.If your harddrive doesnot work fine on another pc then backup your files.
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