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However, I turned it on and everything runs and it looks like its posting because I don't get any red error lights on the board only the one in the corner In my experience, the power supply tends to cause more problems than any other piece of hardware and is very often the cause of a computer turning off by itself.Replace your The lights blink for a second because the laptop is doing a POST self check. Jan 25, 2008 #6 Neconilis TS Rookie Topic Starter For curiosity's sake if anyone's interested. navigate here

PSU problem? I cannot get it to POST or access BIOS. P.S.: Bless the bench test once again, but any other ideas of why I might have had to come to that? The motherboard has a short on it which causes the PSU's overcurrent sense to trip.

Computer Turns On And Off Repeatedly

Second unit is more problematic since the 1st replacement board is no longer available. In the event of a bad power supply, the only remedy is to replace it with a new one. Only thing i've done is 2 months ago I used some canned air and blasted all of the dust out of every crevice and fan and up until yesterday afternoon, everything

If you cannot do that, use a DMM to measure the voltages. RodneyDickson 1 750 706 visningar 22:19 Computer build help turn on then off - Längd: 1:04. Publicerades den 23 jan. 2015Hit me up on Twitter @pxt3R if you have any questions Kategori Människor och bloggar Licens Standardlicens för YouTube Visa mer Visa mindre Läser in ... Pc Turns On Then Off Then On Again Once it does that once I have to kill the power source to even duplicate that effect.

Logga in och gör din röst hörd. Computer Turns On Then Off Immediately Ask a question and give support. EjayFilms 171 918 visningar 4:09 Computer Won't Turn On? Many thanks to those who helped me out Aug 31, 2012 at 3:09 PM #14 eidairaman1 Joined: Jul 2, 2007 Messages: 16,143 (4.60/day) Thanks Received: 2,925 System Specs System Name:

Silence, long single beeps, or series of short beeps indicate a problem with the memory. Computer Turns On And Off Loop But hopefully a new vid card will solve my problems with no more mystery issues. Ask a Question See Latest Posts TechSpot Forums are dedicated to computer enthusiasts and power users. Back off your srews in the mobo to the case a half turn and you should be good.

Computer Turns On Then Off Immediately

Back to top #8 Tom Hughes Tom Hughes Topic Starter Members 10 posts OFFLINE Local time:06:20 AM Posted 03 August 2010 - 09:54 PM while your changing CMOS battery...do you

Läser in ... Computer Turns On And Off Repeatedly It is also an easy way to bypass a questionable case power switch.This checks the PSU under no load conditions, so it is not completely reliable. Computer Starts Then Shuts Off Immediately I have it set up as bread boarding at the moment for ease of access.

Original MB was an ASUS P5VD2-X, new MB is an ECS 945P-A, and the culprit video card was an x1950 Pro 256 MB by MSI. http://codecreview.com/turns-on/computer-powers-on.html in the USA Local time:06:20 AM Posted 05 August 2010 - 02:37 PM Hello and welcome to Bleepingcomputer.I am providing you with various pieces of information regarding leaking electrolytic capacitors.http://en.wikipedia.org/wiki/Capacitor_plaguehttp://www.capacitorlab.com/visible-failures/http://pc-medic.blogspot.com/2006/10/leaking-capacitors.htmlBruce. I've removed Ram, CD drive, Hard Drive, and wireless module. Fortunately MS was not picky about the OEM OS license. Computer Turns On And Off By Itself

Now I'd like to make it clear to anyone reading this that I removed the GPU and all cords to it while it was still in the case and that made I've removed Ram, CD drive, Hard Drive, and wireless module. Just because your computer came on for a few moments doesn't mean that the power supply unit in your computer is working properly. http://codecreview.com/turns-on/computer-powers-up.html This would be unlikely to have on two new motherboards in a row.

Does it stay running now? Pc Turns On Then Off Then On Again And Boots Normally There were two plastic levers on the fan that needed to be snapped down, to push the heat-sync onto the processor. –Peter Di Cecco Oct 3 '09 at 20:36 add a It turns off because it has found a fault somewhere.

NCIX Tech Tips 343 373 visningar 7:43 How to possibly fix a PC that will turn on but will not beep and will not display anything on screen - Längd: 22:19.

Thanks Back to top #5 Tom Hughes Tom Hughes Topic Starter Members 10 posts OFFLINE Local time:06:20 AM Posted 03 August 2010 - 09:34 AM Removing CMOS battery did nothing... A faulty circuit or malfunctioning component (e.g. I can restart the computer from windows and it restarts fine, but if I shut it on and off it still has that same issue. Computer Starts Then Shuts Off Then Starts Again I guess I'll admit defeat and admit that it's the motherboard.

Using the site is easy and fun. New build PC powers on for 1 second then off and repeats solved New build, powered up for the first few seconds then shuts off. New Members: Please click here for the Bleeping Computer Forum Board RulesMy Career Involves 37 Years as an Electronics Repair Technician, to Which I am Currently Retired From.I Am Currently Using weblink I didnt mention it before but just lately games have not been running as well as I remember.

This isn't a big concern if you're careful so don't worry! Start your PC with essential hardware only. Pull out all the ram from each of their ram slots (n.b make sure you put it back in the same order aswell)3. Red CPU and DRAM LED solved New system build, powers for half a second, then off. Newer Than: Search this thread only Search this forum only Display results as threads Useful Searches Recent Posts More...

still less than a second of life and then nothing. Follow These Steps! - Längd: 3:06. Jump to content Sign In Create Account Search Advanced Search section: This topic Forums Members Help Files Calendar View New Content Forum Rules BleepingComputer.com Forums Members Tutorials Startup List