Question

Power Supply Problem??

Asked by: singlpop

I am attempting to help a friend with a Gateway FlexATXstc BRO Essential 933c and the power supply will not start. It is of course a very small power Supply. Newton Power LTD. Model# NP5-90EB A and I am afraid to hook up the 250W or 300W power supplies I have on hand.

Would testing to see if the computer will run on one of these potentially damage the system due to the increase in "potential" power or wattage? Secondly shouldn't the power supply turn on and run even if the MB is bad? The power supply will come on for a second and put out the right voltage and in a second (or less) the power fades to nothing on the digital meter. There is not a connection for the CPU fan as it is cooled via a plastic shroud connected to the side of the power supply.

Additionally the computer worked fine until the day before yesterday when it started to freeze up after a short period of time after starting. Now it won't start.

Thanks

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Asked On
2003-01-31 at 16:38:17ID20492049
Tags

933c

,

bro

,

flexatxstc

,

power

,

supply

Topics

Miscellaneous Hardware

,

Hardware Components

Participating Experts
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Points
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Comments
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Answers

 

by: tmj883Posted on 2003-01-31 at 16:57:43ID: 7857120

ATX power supplies will not come on unless they are powered to a specific resistance/load. A larger power supply will not hurt the system. In terms of your desciption of events:
1. electrical power on...power supply sends Power_Good signal to main board.
2. microprocessor timer fails to respond to Power_Good signal...power supply shuts down.
I would test, as you suggest with a known good power supply. If the system fails, it's not the power supply. Assure the mainboard is not shorted to the case. Could be the cpu.
Hope this helps...T

 

by: singlpopPosted on 2003-01-31 at 18:34:56ID: 7857367

thanks T, I tried a brand new 350Watt power supply and the power on light on the front of the computer came on and then went off. I don't have a pentium III to try in the computer. I reconnected the other power supply and the hard drive began to spinup and the power supply fan started to spin and then went off. I appreciate the quick response and I will price a P3 processor for my friend.
I didn't think there would be a problem with the spare, as they were ATX, but I haven't dealt with such a small power supply before. I don't work on gateways or tiny propietary systems usually.

Thanks again.

20120131-EE-VQP-002

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