Having problems with your Dell XPS 400 PC Desktop ?
Amber light blinking fast tower cannot turn on
A blinking amber power light indicates a power distribution problem. Some common causes other than a failing power supply or failing motherboard include a shorted or failing PCI card. This could include a modem, a sound card, or even a video card. An external device with a short circuit such as a printer, scanner, camera, keyboard or even a mouse could cause this problem. It is even possible that a cable to an external device could have a short circuit. A damaged cable inside the computer could also be the culprit.\015\012\015\012Start by stripping the system down to ONLY the motherboard, CPU, power supply and front panel switch (power switch assembly) connected. Disconnect ALL other cables inside the system and remove ALL expansion cards, RAM and the video card. Remove ALL external components except the incoming power cable. When you power it up, do you get a blinking amber power light? If so, and since you have replace the power supply and the motherboard, you can consider replacing the processor. If the power LED is green, then power down, disconnect power and reinstall the RAM modules. Power up again. If the power LED is amber, then your problem is the system RAM. If it is green, power down, disconnect power and reinstall the video card. Power up again. Check the front power LED. \015\012\015\012Continue this process of elimination, installing one or two components back into the system to determine which component is the culprit.
Could you post the brand and model also do you hear any beeping? Also could you give some history, when did the problem come up and what happened before it?
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