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Dell Optiplex SX260 Power Supply

post #1 of 2
Thread Starter 
I've got an old dell tower that just all of a sudden went dead after moving house. I plug in the system and press the power button.....nothing happens. The system is getting power because there is a yellow light on the motherboard, Is this power supply failure?

Thanks, Josh
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My Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Duo E6600 GIGABYTE P31-ES3G nVidia GeForce 9400 GT 2GB (2x1GB) DDR2 Kingston 
Hard DriveOptical DriveOSMonitor
Western Digital 500GB Caviar Black HP DVD+R/RW (IDE) Windows 7 Ultimate (64Bit) Dell IN2010N 
KeyboardPowerCaseMouse
Apple Wireless Keyboard Antec 500W Asus.......Something Logitech G9X 
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post #2 of 2
Make sure that the front panel connectors have not come loose. This would cause the power button to do nothing but for the LEDs on the motherboard to be on. Usually that LED is powered by the 5V standby rail which means that it will always be on even if the computer is off.

But it requires so little current that even a screwed power supply could probably power it.

In theory, it could be the power supply, but I doubt it. Make sure all cables are in place. Try booting the machine with one RAM module. Sometimes if one of the RAM sticks dies, the computer will fail to boot at all. If not the RAM, try other components..

Good luck.
Unlawful
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Seasonic M12-II 430W Modular Cooler Master Elite 332 
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Unlawful
(15 items)
 
  
CPUMotherboardGraphicsRAM
AMD Athlon II X4 620 ASUS M4A785G-M EVO XFX ATI HD4650 4GB G.Skill Ripjaws DDR3 1333 
Hard DriveHard DriveHard DriveOS
Samsung 830 Seagate Barracude 7200.12 Samsung F3 1TB Windows 7 Home x64 
PowerCase
Seasonic M12-II 430W Modular Cooler Master Elite 332 
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