Solved

Loud humming noise after boot with Creative Audigy 2ZS Platinum Pro and Klipsch GMX Promedia on digital input only

Posted on 2004-08-03
9
323 Views
Last Modified: 2010-04-25
Windows XP Pro Service Pack 2
Dell 530MT workstation dual hyperthreaded 2.2 gHz Xeon processors
Creative Labs Audigy 2ZS Platinum Pro sound card 5.12.1.443 driver
Klipsch GMX Promedia speakers with digital optical input to Audigy hub digital optical output
nVidia GeForce FX 5950 Ultra graphics card  6.1.7.7 driver
Belkin PCI USB/Firewire card
Logitech wireless keyboard
Logitech wireless optical mouse (Bluetooth)

When I connect my old Boston 2.1 analog speakers to the Line 1 out on the Audigy sound card, I get OK sound and no hum.

When I connect the Klipsch 5.1 speaker system to the digital optical out on the Audigy hub, I get a very loud hum.  It does not always occur, but today it does not go away.  This hum does not occur at initial boot but occurs at some point just before the login screen appears.  It is not constant; it seems to change with what is displayed on the screen.  Mouse movements also affect it.

Problem existed before installation of XP Service Pack 2.
0
Comment
Question by:TollandRCR
  • 3
  • 2
  • 2
  • +1
9 Comments
 
LVL 32

Assisted Solution

by:_
_ earned 50 total points
ID: 11712423
Try moving the speakers futher away from everything, and/or moving the cables to a different path.
0
 
LVL 69

Expert Comment

by:Callandor
ID: 11714976
You can also try using better cables which are shielded.  It sounds like you are picking up interference from your monitor.
0
 
LVL 1

Expert Comment

by:RexNoctis
ID: 11735904
Do you have front USB ports on your case?  If so, try connecting whatever is plugged into the front ports into the rear if you can. I've had a similar problem with a hum when using the front ports. They would hum whenever I plugged a mouse in and whistle when I plugged a USB keydrive in.
0
 

Author Comment

by:TollandRCR
ID: 11805539
I moved the Audigy soundcard to another PCI slot.  Hum went away.
0
Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

 
LVL 69

Expert Comment

by:Callandor
ID: 11805595
Since you solved this yourself, post a note in Community Support with a link to this to get a refund.
0
 

Author Comment

by:TollandRCR
ID: 12255560
I have not yet posted points for the answers to this question, because the blasted hum has since returned.  However, another clue: the Klipsch speaker system is plugged into an APC UPS, which is plugged into the wall socket along with a wall lamp.  There is an interaction of this lamp, or its cord, with the speaker system, but it's not so simple as "lamp off, no hum" and  "lamp on, hum on."  It is almost unpredictable whether turning on the lamo will cause or eliminate the hum.  Does this make any sense at all?
0
 
LVL 69

Accepted Solution

by:
Callandor earned 200 total points
ID: 12255611
More likely, then, is RFI in the power line.  Transformers and heavy-duty motors are prime suspects.  Check if anything else is plugged into the same breaker.
0
 
LVL 32

Expert Comment

by:_
ID: 12552142
Thank you much.    : )
0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
CCTK with MDT 2012 7 274
Whats the best way to convert this server to using raid? 6 43
Caps lock notification on HP Desktop pc with windows 10 1 41
Upgrade a CPU 16 75
Windows 7 does not have the best desktop search built in. This is something Windows 7 users have struggled with. You type something in, and your search results don’t always match what you are looking for, or it doesn’t actually work at all. There ar…
Skype is a P2P (Peer to Peer) instant messaging and VOIP (Voice over IP) service – as well as a whole lot more.
In this video I am going to show you how to back up and restore Office 365 mailboxes using CodeTwo Backup for Office 365. Learn more about the tool used in this video here: http://www.codetwo.com/backup-for-office-365/ (http://www.codetwo.com/ba…
Both in life and business – not all partnerships are created equal. As the demand for cloud services increases, so do the number of self-proclaimed cloud partners. Asking the right questions up front in the partnership, will enable both parties …

911 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

23 Experts available now in Live!

Get 1:1 Help Now