Question about Shuttle XPC 250W Power Supply (CSSHMIS10) Power Supply

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Shuttle XPC XB51G Barebones - no power

My computer was shut down unexpectedly and when I went to power back on the power switch does not work. I see no visible damage. I press the power switch or the reset switch and get nothing. Not sure if this is a power supply problem or switch problem or hopefully not a motherboard problem. Any ideas?

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Re: Shuttle XPC XB51G Barebones - no power

I think you will find your PSU has gone faulty, they are very cheap these days, I would guess at the PSU and replace it "On Spec" with a similar one. Remove the four PSU screws around by the Fan at back. Unplug it from The motherboard noting connections, can only go one way thogh. Take the PSU to ya local repair shop and get another... put new one in connect up to MB and power up. If ya lucky.. ya solved ya problem. Or better still see if you can test it with another one B4 buying another.

Posted on Aug 08, 2007

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I have a Dell Dimension E510 and have had this problem in the past. My dell has been shut down for a few weeks and wouldn't power on. maybe a month later, i randomly checked it after being unplugged the...

Some power supplies have an independent switch to turn on the power supply before you can power up the computer from the front. Does yours have a switch on the back?

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My shuttle boots up for half a second, then shuts down. I have removed, HDD, RAM etc, but makes no difference at all. Any ideas?

Replace your PSU then test all leads that are attached to your hard drive sounds like a faulty lead of some sorts then
try replacing all the leads that attach to your hard drive including electrical extensions + IDE,SATA and the ones that attach from your motherboard to hard drive
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty or just replace them they are probably old and faulty because a computer has to have an end to the circuit any fulty leads will lead to no boot up
good luck

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Computer shut down during use, now only cooling fans come on

The power supply is not able to supply enough power therefore it is gone bad. Replace with a new one. This is not a cmos battery problem.

All the best.

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Tower problems

You may need to replace the cmos battery, its a cr2032 3v button cell
Make sure all your expansion cards and memory are reseated.
Make sure all cables are reseated.
your power supply could be bad

If that doesn't work try this

Here is my fix for the dell dimension 4400 amber light problem. It works!
replace cmos battery.
then unplug power cord form wall about 5-10 secs.
then plug it back in, wait 5 secs.
If amber light comes on, press and hold power button until it goes out.

(with light out, press and hold power button while amber light comes on and goes off again holding power button 2-3 secs after light goes out.) repeat whats in parenthesis until computer turns on
it should only take about 6, 7 tries.

After the computer boots, you may want to setup cmos or boot into windows.
After you shutdown, unplug power cord for 5-10 secs then plug it back in.
Press and hold the power button, computer should come on.
I found that's the only way to turn on the computer.
If you shutdown and don't unplug power cord the computer may not boot, mine didn't.
Strange I'd say

A+ Technician

Apr 01, 2009 | HP System Power Supplies

1 Answer

Laptop booting up and then shutting off unexpectedly.

This sounds like the cpu fan assembly go to Gateway and enter the model in the support then download the system diagram so you can remove the casing it would take me forever to type the inst. once you have removed the cover put you hand over the cpu fan assembly and check for airflow
If you are afraid to diass. your comp. take it to a pro.

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4 Answers

Can you replace a XPC Shuttle power supply with iStarUSA CP01040?

I did exactly the same for a build I did for someone, but I used the PSU that Shuttle suggested which of course is one of their own, but those boxes are so cramped that a centimeter out will ruin your day.
Depending on which model XPC you have I'd advise you to get a Shuttle SilentX 450W. If you click here you can see which models it fits and all of the techs and specs you need.
Best price I could find it for in the UK is here but also found one in Canada for just over £70. You can see that one by clicking here.

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Computer won't turn on


u did not said ur mother board vander name and chipset. because some mother board can not star if CMOS battery expire. remove CMOS battery check it voltage bellow 3V or not if it's voltage bellow 3V then replace it. and try to trun on ur shuttle.

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350w switching power suply

at first chack at which time it shutting down. if it happen when u click on any drive or when u using cd/dvd drive then power supply cant regulate power. then chack switching transistor and filter section capacitor.
(Be careful about filter capacitor in primary section because some time it stored high voltage dc after plug of power supply at first discharge this two capacitor.)
** also chack supply voltage r stady or not.

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Computer powered down while in use.

Your power supply may have failed. Such failure is common, especially with the low quality supplies used in some machines these days. Sometimes this is due to the failure of the fan inside the supply, which causes overheating, and eventual component failure (especially of the electrolytic capacitors). If you have a voltmeter available, you can check for the presence of voltages on the cabling which connects to the computer motherboard, drives etc.

Google for the proper pinout specifications- the cabling has colored wiring.

Have the computer plugged in- first check for the standby voltage- a +5 volt line which powers a small circuit on the motherboard. If this is missing, your machine will not power up at all. If present, then press the ON button, and check for voltages on the red and yellow wires. On the red +5 volts, yellow +12. These should be very close to those exact readings. If more than a few tenths of a volt off (esp. the +5), then the supply is bad also.

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Computer wont turn on

So, lets say that you have double checked all cables, and everything is plugged in properly. When you hit the power switch on the case, do you hear the computer start then shut down several seconds later? Does the computer refuse to do anything but power a motherboard LED? Also, did the computer (or the person carrying the computer) bump into anything while moving it? The most minor bump can cause many problems.

I would try replacing the power supply with another one from a working PC, but just to make sure that the power supply unit is the problem. If it isn't, make sure all heatsinks are locked down appropriately and making full contact. Other than that, I don't know what you can do.

Dec 30, 2007 | System Power Supplies

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