Question about System Power Supplies

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E-MACHINE T5248 AFTER I ADDED AN INTERNAL DRIVE THE COMPUTER WILL NOT RUN. THE LED ON THE FRONT SWITCH IS OFF BUT THE FUN IS RUNNING PROVING THAT IT HAS POWER ON THE THE MOTHERBOARD...PLEASE HELP...THANKS

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How old is the machine???
what kind of hard drive??? IDE or SATA
the newer machine do not need hard drive configuration. but not the old one.
configure the old hard drive to "master" and the new hard drive to "Slave".
go into BOIS and make sure both hard drives are being detected by the machine.

Posted on Oct 23, 2008

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I don't what to do my thing freeze up for like


test or replace all leads make sure they are securely seated and are not bad/faulty that are attached to your (((motherboard to your hard drive)))

follow the troubleshooting procedure a computer needs all of the data and electrical current to travel through every device and to have an end to be able work properly

a motherboard and a hard drive any leads between them will fail before your motherboard or your hard drive if its a flat ribbon 40 pin type IDE replace it this will be the first to fail check all electrical extensions make sure they are securely seated even the cd/dvd floppy drives need to have current go through make sure these drives are working hope this helps also it could be a dirty computer clean all of the dust from your computer you could use a vacuum cleaner but whatever you use make absolutely sure there is no moisture gets to anything in your computer

also check the Cmos battery and computer ram make sure they are securely seated
try uninstalling a few unnecessary programs then click start run type cmd then type chkdsk/r/f which will scan for and attempt to fix any bad sectors and automatically fix any corrupt files on your hard drive this will schedule on a restart then defragment your hard drive or
click start control panel administrive tools,computer management ,disk management right click on your drive select properties click tools you should see click check now click start tick in both boxes automatically fix files and scan for and attempt recovery of bad sectors place then a tick in both boxes then select check now,start should schedule this task when restart
do not do anything while the chkdsk utility is in progress any input may damage your computer
then click start all programs accessories system tools defragment your hard drive
you might have to install more RAM random access memory to check how much ram you have
to check the details on your computer
click start all programs accessories system tools system imformation you will see all of your computers imformation from there another way of doing this
click start right click on my computer select properties you will see all imformation about your computer including installed ram
scroll to the bottom toolbar (bottom of screen) right click you can select task manager applications also processes you will see whats running on your computer if you see something running that you don

Jun 24, 2011 | Thermaltake Silent Purepower 480W...

1 Answer

HP compter does not switch on. The power supply LED is on. When the switch in front is pressed the Power supply LED switches off and the computer does not switch on.


Test your PSU or replace it if your power supply units fan is not working your PSU is faulty

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive

Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your "((MOTHERBOARD TO YOUR HARD DRIVE))" make sure they have a secure connection and are not faulty or just replace them they could be faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they could be faulty a computer needs its connections to continue its cycle and have an end so any faulty leads will end up with a computer error even something as small as a faulty electrical extension or fan lead can cause this problem

follow the troubleshooting procedure a computer needs all of the data and electrical current to travel through every device and to have an end to be able work properly

a motherboard and a hard drive any leads between them will fail before your motherboard or your hard drive if its a flat ribbon 40 pin type IDE replace it this will be the first to fail check all electrical extensions make sure they are securely seated even the cd/dvd floppy drives need to have current go through make sure these drives are working hope this helps also it could be a dirty computer clean all of the dust from your computer you could use a vacuum cleaner but whatever you use make absolutely sure there is no moisture gets to anything in your computer

also check the Cmos battery and computer ram make sure they are securely seated

hope this helps

Jun 19, 2011 | HP Bestec ATX-1956D 200w HP Part No...

2 Answers

I just built a new computer and when i tried to boot it up nothing happened. The Corsair ax850 PSU isn't even "humming" or giving any indication that it has power. The 110v wall plug has power....


You won't get any 'fireworks' or 'smoke', widsss.

A) Make sure the Power On switch is connected to the correct pins, in the Front Panel header on the motherboard.

(The Front Panel is the plastic front of your computer where the Power On button, HarDDrive activity LED, Power On LED, etc., is located.
The pin area on the motherboard that the Front Panel cables (Wires) plug into, is the Front Panel header)

Either you do not have
1) The correct cables (Wires) plugged into the motherboard from the Front Panel,
or,
2) A bad Power On switch,
or
3) A bad Power Supply
Even if the Power Supply is brand new, it can still be a dud.

There is a simple test to see if the problem may be the Power On switch, or the Power Supply.
After you have made sure the problem is not incorrectly attaching the wrong wires, from the Front Panel to the motherboard, reply back in a Comment, and I'll detail out the simple test for you if you wish.

ALSO:
B) Make sure the 4-pin ATX +12 volt power cable is plugged in, if your motherboard uses it.
It's power for the Processor.

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

C) Your motherboard may not use a 4-pin +12 volt power cable. It may require more power.
In this case an 8-pin EPS +12 volt power cable is used. The equivalent of two 4-pin +12 volt power cables.

http://www.playtool.com/pages/psuconnectors/connectors.html#eps8

(Note*
1) Red wires are 5 volt
2) Yellow wires are 12 volt
3) ANY Black wire you see is a Ground wire )

I await your findings.
Regards,
joecoolvette

Mar 07, 2011 | CORSAIR Professional AX850 ATX12V and...

2 Answers

The computer just shuts off after awhile. I unplug the computer, after some time I plug it back in and it will run for awhile longer and then shut off. Could this be a power supply heat problem? all the...


Had the same problem myself a few weeks ago.

1) Check the cpu and heatsink are clear of dust and rubbish. If CPU's overheat, the PC can also shut down.

2) If so, then yes it could well be your PSU. Give it a good blow through/clean.
If that doesn't work then it needs to be tested, you can get small testers or go to a repair shop and ask them to test it. But make sure the test is run for about 30 minutes. I had mine tested, paid money, test came out good, but it wasn't run for long enough. Tested again it failed after 15 mins.

3) If you want to avoid that route first, take out the psu, dismantle it and check the printed circuit board, if you see what looks like a yellow fluid stain under some capacitors, one of them has failed. You need to replace it. But as a replacement CPU shouldn't be too much, I wouldn't go to too much trouble, unless I wanted to have the fun of repairing it.

Dec 09, 2010 | E-Machines Bestec ATX-300-12E Rev. D 300w...

1 Answer

Emachines w3507 power


detarch all accessories or hardware connected to the system , then bring out the power pack itself out completely look for a soldering led to test the functionality of the power pack itself if it rotates the fan of its pack by looping the first hole to the third hole cable in the power pack connector that will head into the motherboard. therefore, check the mother board if there is any damage on it like some component if all this is false . then plug the power pack to the outlet and fix the connector of the power pack to the motherboard after detaching both cd drive , floopy disk drive leaving the hard disk and the memory . then change the memory card and press on the system there should be a solution from all this . the problem should be from the Memory not to be able to start up the system but go through those process i have given you before concluding it was the memory ok....


kindly rate this solution......

May 05, 2010 | E-Machines Bestec ATX-300-12E Rev. D 300w...

1 Answer

I think the power supply is bad. the light on the front of tower is yellow and makes no sound when the computer is turned on. all three fans run.


No i don't think the power supply gone bad, as your decription says light on the front side is yellow and all the fans are running. This may due to RAM has been not been inserted properly or other hardware problems. Check all the connections of the hardware will resolve your problem.

Revert back for more assistance.

Dec 26, 2009 | E-Machines Bestec ATX-300-12E Rev. D 300w...

1 Answer

Alienware HPC-420-302 DF power supply died


You can replace the power supply same rating or over. Be sure to check if you have 24pin or 20 pin. If you are running a gaming video card , its better to buy 600watts power supply.

Jul 24, 2009 | Alienware PC Systems Alienware True 480...

1 Answer

Bestec atx-250-12z rev d hp model 5187-1098 pc will not start up when pushing button on front of machine green led on back of p/s flashes with power cord plugged in. does this indicate a p/s failure?


I have already replaced mant Bestec ATX-250-12E power supplies because they have an internal failure. Consider yourself lucky if the thing doesn't power up your computer because it has a problem of imposing the +12 volt line onto the +5 Volt line then blowing out the mother board. Sometimes you aren't so lucky because once the damage is done then it is to late to just simply replace that piece of junk. I was lucky with my daughters E-Machine because if she tried pressing the start switch on the front of her computer it would sometimes come on and sometimes not. She just mentioned this to me and I immediately replaced that Bostec ATX-250-12E before it could do any damage to her computer. If anyone has an older E-Machine or an older Gateway machine then it would be a good idea to see if it uses that Bostec-ATX-250- 12E. If it does then go order another power supply, anything but a Bostec, and instead of a 250 watt order a 300 watt or better. I hope that this has helped those that might have this problem before it destroyes *********** boards. Marty

Mar 23, 2009 | Gateway Emachine Bestec ATX-250-12E PS...

1 Answer

Mirus Desktop Computer


green-white for front panel Power indicator LED , Blue-white for RESET Switch , Orange-white for POWER BUTTON , Red-white for HDD LED . The berg pin header on the motherboard will have these legend printed just beside the connector or due to lack of space slightly away from it .

Apr 15, 2008 | System Power Supplies

1 Answer

Computer not powering up / no light at hard drive.. but power to machine


Ok...since there are lights..then it's most likely, not your power supply.'
We need a few questions answered so we can narrow it down to what it could be.

1. What operating system are you running, harddrive, ram, some computer specifications would help?
2. What was being done last, when the computer went out...it could possibly be a virus, so we need to find out if a file was opened up, or an email, things like that.....was there something installed...do any beeps beep when the computer starts up>

Let me know these things and we'll narrow it down to something solvable..

Thanks

~~Jasta~~

Mar 16, 2008 | System Power Supplies

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