I have no idea on how you can help this forum. But I love this forum. All I know is I have been here for almost two years now, sharing my experience to others and getting some others ideas to augment...

I am also happy that you have found the culprit. The malfunctioning of the memory slot is sometimes created by some oxidation or foreign build up inside the slot. In order to remove this build up,...

Try each of the following:

Did you check the output voltage of the AC power adapter?

Run your computer with an AC power adapter source (without battery installed).

With the computer off,...

In addition to the above post.

Forgot to mention, do this first before anything else in the above post. Hit the "Reset" button with a clip or ballpen tip in a small hole found underneath the...

Is this happening also when you run your system with only the battery, or ac power adapter? Check the output voltage of your power adapter.

Since you were not able to boot into bios. You need to...

Is this a processor fan? Check it with another fan.

If you are sure the power supply is the problem, just try to exchange it. No warranty is guaranteed if the seal outside the box is tampered or broken. I am afraid if the noise you have heard is from...

Are you sure that noise is coming from inside the cpu unit or a noise from the speaker?

Open the pc case and try to isolate the problem. If the noise is coming from the power supply, maybe what you've just bought has a factory defect. You may try to ask for a new replacement. And also...