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Help.Power Supply Problem ?

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at the most,it would not stay on, attempts to do the same thing, it wont blink unless I unplug and then plug in, but I only get a blink. If the PSU fan is not rotating, you cannot turn on the PSU and the PSU is bad. It's very unusual for a power button to fail. Proffitt Forum moderator / January 5, 2009 3:28 AM PST In reply to: same problem If you plug in an IDE drive connector upside down or off by a pin or

I did notice the lights dimming during the rainstorm.. That could be as simple as a broken fan (some boards have a sensor to determine if the cooling fan is operating, and if not it shuts itself off to protect I've replaced the RAM from 64 to 512. If not, thgen replace psu with ahigher wattage unit and hopefully that does it. http://www.techrepublic.com/article/learn-to-troubleshoot-power-supply-problems/

Power Supply Problems Symptoms

It's sometimes easier to view a video than wait for responses. Did you have any luck with your monitor switch ? Green power light (on back of machine) is on but flashing. Flag Permalink This was helpful (0) Back to Computer Help forum 20 total posts Popular Forums icon Computer Help 51,912 discussions icon Computer Newbies 10,498 discussions icon Laptops 20,411 discussions icon

Not sure if after market power supply's will fit because they are all different sized and wanted something more powerful. note: The Power Supply LED is not available on all the desktop computer models. Slide the new supply into the case and connect all the power leads, starting at the motherboard. Computer Power Supply Problems And Solutions Pdf He has never had a problem with his computer since.

A dollar to a donut, it will start up. Power Supply Problems And Solutions If it begins to work normally, this is probably a motherboard issue. turned off because of this and did not warn me of temp. http://support.hp.com/us-en/document/bph06788 If you upgrade your equipment with an extra hard disk drive, a better graphics card, a new DVD drive or more memory than the PSU can handle, it may start to

Only use the end of the vacuum hose near the outside of the fan entrance. Signs Of Power Supply Failure After all cards have been reseated make sure all cables are firmly connected by disconnecting and reconnecting all drive cables and fan cables. Open the case and unplug all the drive power cables and the power cables feeding the motherboard. or power supply(psu).

Power Supply Problems And Solutions

caution: If you use a power supply that is not listed on HP PartSurfer for that computer as a replacement, you risk voiding the computer’s warranty or damaging the computer. As noted at the beginning, power supplies crap out all the time. Power Supply Problems Symptoms Power supply Video card Motherboard Processor and heat sink Additional information Computer powers on and then immediately turns off. Power Supply Troubleshooting And Repair The power on button on the cpu was getting a little touchy but worked.

The next day I used it for several hours but the following day it again refused to power up… I have a new APC 550VA back up system and am at Show me how Plug in the power cord and test to see if the computer turns on. power wire harness as all it is a momentarily contact sw. Flag Permalink This was helpful (0) Collapse - For your common ATX PSU and today's machines. How To Check If A Power Supply Is Working

There will be many cables to disconnect – at least one to each system component and probably two to the motherboard. Preview post Submit post Cancel post You are reporting the following post: Troubleshooting power supply and on/off switch This post has been flagged and will be reviewed by our staff. For example, if your +5V line is measured at only +4.5V, your PSU isn't delivering power as it should. If the HP power supply is flashing, disconnect everything inside.  If the LED is still flashing, the power supply is probably bad.

solved power supply problem, not turning on at ALL solved Power Supply Problem ? Power Supply Troubleshooting Pdf Be sure to research online to find out your card's requirements before installation. The connectors are sometimes tricky to wiggle apart, but they are all standard size/types so for everything you take out for the old supply there will be one just like it

If you sense some activity upon clicking the switch but an immediate stop, then watch the fans to see if they spin up or not.

If the motherboard is gone, that is really bad news, but less likely than the power supply. If the PSU fan is rotating, the PSU has output voltage and is good. These can range in price from just under $100 to well over $300. Power Supply Failure Causes The clicking sound is odd, but with a surge, the power supply usually takes the hit.

All Rights Reserved Tom's Hardware Guide ™ Ad choices Home > Articles > Hardware PC Repair and Maintenance: In-depth Look at Power Supply By Scott Mueller Feb 28, 2003 📄 Contents There is usually enough room to fit the tip of the probe into the rear of the plug and make contact with the metal pin on the end of each wire Data Centers Learn to troubleshoot power supply problems Power supply problems can be difficult to diagnose if you don't know what to look for. You will have to use a voltmeter along with the p.s.

Have the computer serviced, or remove the components and replace them, one at a time, to find and replace the defective component. Unplug all cables from the back of the computer and open the computer and reseat all expansion cards and memory in the computer. Make sure that the computer is turned off and that the power cord is plugged into a grounded outlet. The Spare Number or Part Number are in the following format: xxxxxx-00x.

Don’t fully secure it in place until you power up the system for a function test. Make sure all memory and peripheral cards are fully seated. November 24, 2009 Dave http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&cc=us&dlc=&product=89876&docname=bph06788 November 24, 2009 joe I have a newer HP a few years old and I pulled everything off as advised and plugged the power cord in With the power cord disconnected, press the power button on the front of the computer and wait ten seconds.

Unplug the power supply at the rear of the PC, and then press the power button on the front of the unit.  Plug the power supply back in and see if He checked out his everything you did.