Question about Computers & Internet
This problem started when I notice the computer was on but I had a blank screen on the monitor so I had to shut the computer down using the power button. When I tried to reboot was not getting power. I noticed that the power unit would kick out with the 12 volt 4 prong power connector plugged into the motherboard....Thanks....Chuck
Maybe we need more information. The motherboard needs that connector. Is it disconnecting physically? Check the plastic clasp that hold it in place. Be sure the large ATX connector is connected properly. Unplug then plug it back in.
What do you mean by it loses power? Are the fans running when it is plugged in? Do the fans run when it is not plugged in? Try unplugging everything except your video card, CPU, RAM, and keyboard. Plug the ATX connectors in including the 4 prong one. If it still doesn't work check your capacitors. They are the cylinder looking cans soldered on the motherboard. Are they bulging or leaking? Might be time for a new motherboard. Good luck.
Posted on Feb 11, 2014
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Posted on Jan 02, 2017
SOURCE: HP Desktop power up problem
Bad ram probably, units do that all the time at my job. Most of the time, it is the power supply that does not have enough power to invest into all hardware that makes your pc. even if you had a 400watts power supply, the next time you are buying a power supply you should do some kind of upgrade. 600 watts or more. If you have a high end graphics card then you are indeed in need of a new power supply. also check your cpu, its fan, check if it still seated properly, if there still paste on top of it to hel cooling it down, and protect it from statics. if you added new hardware, remove them and keep checking if it is working. To do manual diags, you need to take the unit apart. I would start by removing rams first, and check ram one by one, then hdd, then disconnect other components until i find the actual part. I am sure it is your powersupply, worst case scenario is you mobo is gone.(but it powers up and shutdown after all so let us hope you don't have a dead motherboard." and remove the dust please, dusty units do not run properly. Neim Le Legionaire.
Posted on Oct 19, 2008
I have found that if the CMOS battery is removed and the unit unpluged for 5 mins (reseting the unit to default config) It will restart. The battery should not be replaced thus to maintain your date and time settings, it shoud not be unpluged for long periods.
Posted on May 20, 2009
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