Question about Compaq Presario SR1103WM-B (PC183B#ABA) PC Desktop

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No power WHEN THE COMPUTER IS TURNED ON THE GREEN LIGHT IN BACK WILL COME ON, BUT WHEN YOU PRESS THE POWER ON BUTTON IN FRONT THE LIGHT GOES OUIT AND THE SCREEN STAYS BLACK. WHEN THE SCREEN WENT BLACK IT WAS ON AND WORKING. IT MADE KIND OF A SNAPPING ,CRACKLING NOISE AND IT WENT BLACK. WOULD THAT BE THE POWER SUPPLY AND IF SO, HOW WOULD YOU ORDER ONE? FINDING THE CORRECT NO. ETC. THANK YOU

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COMPAQ SR1103WM POWER SUPPLY CONNECTION TO MOTHER BOARD. THE PLUG IT SELF.I PLUGED AN UNPLUGED THE 24 PIN CONNECTOR TILL THE GREEN STAYED ON ON THE POWER SUPPLY. MAYBE SHORT ON MOTHERBOARD STANDOFF. TRY AT OWN RISK.

Posted on Sep 05, 2008

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Hi Emjo,
Did I understood correctly?
1. You turn on the main switch and the indicator come on (shows that there is electricity present)
2. You push the power button than electricity indicator went off.
- On this position, screen is black but computer is working.
- Than a noise heard and its turned off?
Is that the situation?

Except the part of "the noise" thing, it seems like your PSU (power supply Unit) faulty.

But the noise is another issue; generally, computers have few noise sources; all moving parts, namely, cooling fans and hard drives.
I suggest check your fans first.
There should be one for CPU, one or more mounted on back and front panels (sometimes they mounted on side panels/doors -depending on the type of computer case) sometimes little fans on graphic card and main board. And the one big fan generally located inside the PSU, but I dont recommend to deal with it, instead of trying to fixing internal fan of PSU, it is better to change the PSU with new one.

Next source is hard drives. If the noise characteristics is more mechanical like metal to metal knocking, like a hitting a metal box with a little hammer, if so, this is bad news. But there should be another symptoms accompanied with this like freezing moments etc..

Warning: Safety first.
And be careful what you do, there is high power on PSU, and there maybe a leak, check first if there is high voltage on the case or not(with a voltmeter).
Before to attempt to open the case of your computer, its better to ground yourself first with touching with one hand on the bare metal of the case to avoid static shock on electronic parts.

Back to PSU, you can find a data plate/sticker side of your PSU. Check the specifications and order new PSU from your local dealer. I am sure you can find many source to buy on the internet as well.
PS: If you use many USB devices and few hard disk, you can consider to buy higher wattage PSU.

Good luck & Regards
-halotheracer-

Posted on Mar 12, 2008

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Press the num lock key light .....

if the light doesn't blink Ram is the fault...

Remove the Ram and Take white Eraser and clean Ram pins and

fix the ram .. Mostly it will work....

Posted on Mar 12, 2008

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