My computer starts then stops and starts again and stops.

May 3, 2015 at 20:30:02
Specs: Windows 7
The four way plug that plugs into motherboard, when it plugged in the computer stops and starts over and over but when i unplugged the four wire connector the computer starts up and runs steady but no post. Blank screen. MSI mobo w/2 core Quad. 4 gigs of memo. P35 Platinum. Computer had been running windows 8.1 really good with a few problems like i did 3 updates two was for security and other for video, I left and came back and screen was blank but computer still running with blue light on, so moved mouse and it no come back on but was still running was not shut down and never got it back up till later on in two to 3 weeks, drug it out and worked on it, not sure what i did but it started booting up and did some clock changes in bios cause it was wrong time and date and set for default and saved and exited bios and all seemed ok after that and replace battery with a new one and worked good and shut down good and so on till i tried installing a 680 power supply and trial fittedd the Nvidia 8800 GTS graphic card I was gonna use for 3D and was gonna put back in the old graphic card and reboot and uninstall the drivers and so on and then install the 8800 but computer would not do anything, so took out the 680 power supply and put back the 480 power supply and was able to get it to start and then it started doing the start and stop routine and discovered when i pulled the 4 wire connector from board it would run good but no Post, blank screen and Oh, one more thing the board would lite but fan no turn during this time till i went back to old power supply the 480 and hit power button and it started but start and stop now fan turns, and like i started to say earlier i took out the processor and appeared to have to much thermal paste so clean it off and put on new coat but not thick, might do this again and blow out the pins where the processor goes and made sure i install it back right, it goes in only one way to seat properly so this is where i am on this. With the 680 power supply i hit the power button and nothing all the time it was in the computer till i took it out.The 680 power supply is now running my ausus M3N78-VM mobo and it not in a case but is running good and has windows 7 Pro on it and is hooked to a 22" viewsonic display and is working really good with 1.8 quad and 8 gigs of high density memory. So 680 power supply does work.

message edited by RubyRedGem


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#1
May 4, 2015 at 08:21:13
A complete spec list would have been nice rather than having to dig for the info throughout the post. The 4-pin ATX12V plug is what supplies power to the processor, the system won't boot without it. My guess is the 680W power supply is a generic cheapie. Please post the make/model/model numbers of both the 480W & 680W power supplies.

"i took out the processor and appeared to have to much thermal paste so clean it off and put on new coat but not thick"

New coat? The paste for a Core 2 Quad should be applied using the horizontal line method:

http://www.avsforum.com/photopost/d...

http://www.elitekiller.com/pics/AS5...

http://www.arcticsilver.com/pdf/app...


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#2
May 4, 2015 at 10:09:49
Thanks, riider for all the feedback on this, kind of new @ this and apologize for all the mistakes during post and will do the paste as instructed in your message looks like it should spread better that way and did reinstall the 680 watt power supply back into the computer and it worked this time, it has a 6 pin plug connector and this why it would not start till i put in the four pin connector but it starts and stops so once again thanks for the feedback much appreciated. Power supply for 680 is a kentec and do not see a model # on it, the 480 power supply is a logisys and no model # visible. Both appear to be working like they should. I have switched them back and forth and computer still starts and stops and restarts, if i pull the four pin connector out of the mobo it will stay running. Have tried both power supplys in my asus board and it is working great with windows 7 pro and 8 gigs of memo. This is all i know.

message edited by RubyRedGem


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#3
May 4, 2015 at 14:39:48
Ruby

In the future please use paragraphs to break up your post. I find it very hare to read.


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