ummm, the 9200 is actually the "new". Is that what you meant. I couldn't find the ability on Dell's site to purchase a new 9100. I found a reference to it in outlet center as a refurb but none were actually listed.

I don't actually have the problem with my i5100 but I know others have.  Grounding apparently helps -- the newest drivers apparently help a bit as well.  Considered an external sound card?

Is this noise recorded as well?

There are 3 non-technical solutions to the ground loop problem:

1. Eliminate the ground either on the computer or on the other device it is connected to, by using a 3 prong to 2 prong adapter.

2. Or isolate the grounds from each other by using a ground isolator or a direct box with ground lifter. Two members have just given us positive reports on Radio Shack's $16 Ground Loop Isolator (270-054).

3. Or use non-conducting material to connect the 2 devices; specifically by using optical spdif to transfer the audio signal rather than copper cables.

If the noise does not disappear when running the computer off battery power then it isn't a ground loop problem but could be the driver.

Jim

Hello Jeff,

I don't know that Dell would be liable but the user would sure discover that his warranty was null and void if the grounding system were defeated.

Jim

i also have the dead air noise using head phones on the 9200. any alos notice a kinda.. i dont know how to correctly put it, like a cheap blown speaker sound in the left side when your playing music or movies and the volume is 30% or below? right side is fine, only on the left side time to time. shoulda got that compaq.

Keep the thing grounded:  it helps reduce the 60 Hz hum that can be picked up otherwise . If you really want to play it safe with the system, go with a UPS or a heavy duty surge protector, to reduce problems with dirty line power.