Question about InFocus X1 Multimedia Projector

1 Answer

Buzzing noise coming out of television when i plug in power cord

I have a Dell C600 that is connected to a tv via docking station. when i plug in the power cord, a buzzing noise comes out of the tv. I have replaced the dock and the laptop and the power cord and it is better than it was but the noise is still existant. What should I do?

Posted by on

  • aries765677 Mar 05, 2009

    Yes the noise still comes out of the speakers even if it is muted on the laptop. When I unplug the power supply the noise stops. But I have replaced literally everything and the noise still persists, its just tolerable now.

  • Jay Selway
    Jay Selway May 11, 2010

    Does the buzzing stay regardless of whether there is a signal coming from the laptop, say if it is muted on the laptop, but not on the TV Set?

×

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that gotĀ 5 achievements.

    Governor:

    An expert whose answer gotĀ voted for 20 times.

    Scholar:

    An expert who has written 20 answers of more than 400 characters.

  • Expert
  • 93 Answers

Right, the problem is caused by the earthing of the power supply.

You need a box, which isolates the earth from the laptop to the television, known as an Isolation Transformer. This goes in between your laptop and television, and removes the cause of the hum.

The other option is entirely at your own risk, as you're dealing with mains electricity, however, cover the earth pin with some insulation tape, thus stopping the power supply from earthing. Keep a close eye on the condition of your power supply and cable, as you will not be protected against shock if a fault should develop.

The same problem exists with Acer Laptops, as I have one, and use an isolation box when I want to play music in venues from my Laptop.

Posted on Mar 06, 2009

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

My power cord for the docking station is beginning to unravel with wires showing. Can it be replaced or repaired?


First, I know nothing at all about ipods. However, I am a decent electronics guy. Obviously, one end of the power cord plugs into a wall outlet; the other connects to the station. How? Does the cord simply disappear inside the station, or is there some kind of connecting plug? Which end is frayed? If it's at the wall plug end, you could simply cut the wire (unplug it first !!!) above the fray and wire in a new standard wall plug. You can do the same on the station end if the wire runs directly into the unit AND if you can get in there to reconnect the wire. If, on the other hand, the wire is attached to the station via some sort of power plug (like a printer for example), you'd better leave that puppy alone and invest in a new docking station or new power cord. You'd also better stop using the unit unless you can fix it. Bare wires spell tripped breakers and danger of injury.

May 28, 2016 | JBL ONSTAGE Docking Station for iPod

1 Answer

Anyone ever experience a loud and high pitched buzzing type of sound coming from the 5 holes under the docking station??? Ive had it for a long time but rarely used it, worked like a champ until that


I notice that some of my cell phone wall chargers make a high pitched ringing sound, not that loud though. I think cheaper internal electrical components are the culprit. (Opinion)

Jan 30, 2014 | SDI iHome iH52B Remote Control for Apple...

1 Answer

How can i update dell dock?


A docking station is an extension or addition of ports for a laptop computer. Once the portable computer is docked, you can access the docking station's ports, such as PS/2 or USB 2.0 ports, through your computer. Some docking stations have monitors that you can connect your computer to, placing your video on an external screen so you can turn off your computer's monitor and conserve some of your computer's energy. All Dell docking stations will have the same general troubleshooting steps.

Plug your laptop's power adapter into the docking station and dock your laptop onto/into the docking station. If there is no power going to your laptop from the docking station but it works when the power adapter is plugged into the wall, the docking station is bad and needs to be replaced. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If power goes on but your computer doesn't recognizes accessories such as a USB mouse--plugged into the docking station, try a different port on the station. If it works in a different port, the previous USB port is burned out. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If power is going through the docking station but no accessories are being recognized, you might have a corrupted docking profile. Undock the computer and dock it again once it has fully started up to reset the docking profile. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If you have an external monitor and it is not working, completely close the lid on the laptop so the image will move to the external monitor. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If power is going through the docking station but no accessories are being recognized and resetting the docking profile fails, update all drivers through Dell's support website and then re-dock the computer. Some of the software that runs the hardware may have become corrupted. Hope this helps

b>

Jan 16, 2013 | Dell Inspiron 1545 Notebook

1 Answer

Buzzing noise coming from Vizio HD TV speakers


It ur Vizio tv,The power supply board is the problems.The transformers in the power supply board have gaps in the transformers.The high voltage curents flow that make that buzzing noise.

Apr 07, 2010 | Vizio VW32L 32 in. LCD HDTV

1 Answer

Cant comp to work,it's plugged in and when you go


Remove Any Docking Stations or Port Replicators From the Computer Note: Docking stations and port replicators are optional equipment. If you are unsure if you have a docking solution attached to your computer, refer to Table 1 and Table 2 for examples. To remove the docking station or port replicator, perform the following steps: Shut down the computer. Remove the docking station: Universal Docking Stations: Disconnect the docking station's USB cable from the computer. D/Port or D/Dock: Remove any cable locks from the security slot on the right side of the docking station. Move the slide lock forward to the unlocked position. Press the Eject button and lift the computer from the docking station. C/Port II or C/Dock II: Remove any cable locks from the security slot on the left side of the docking station. Pull the locking lever forward until it stops to eject the computer, then slide the computer out of the docking station. Dell manufactures the following docking stations and port replicators (Table 1): D-series DocksC-series DocksSpecialty Docks D/PortLatitude? C/Port IIMedia Bases D/DockLatitude? C/Dock IIInspiron? Advanced Port Replicator Table 1: Dell Docking Stations (Click an image to enlarge it) Universal docking solutions are also available from third-party manufacturers including, but not limited to, the products below (Table 2): TargusKensingtonBelkin Table 2: Universal Docking Solutions (Click an image to enlarge it) Disconnect All Peripherals from the Computer Remove all external connections from the computer. This includes but is not limited to the following devices: docking station or advanced port replicator keyboard mouse speakers or microphone printers scanners USB or 1394 devices palm pilots zip drives secondary battery Plug the AC Power Adapter into the Laptop Computer Remove the battery from the computer. Connect the AC adapter directly to the computer Verify That the AC Power Adapter Has a Solid Green or Blue Light Verify the AC power adapter displays a solid green or blue light. Older Latitude? C Series laptop computer AC adapters may not have a light. The new E series power adapter indicator light is either a blue ring or a blue dot and is located at the tip, on the DC connector, not on the power brick itself (Figure 1). Figure 1: E Series Power Adapter Indicator Light Location Numbers reference image above: E Series Power Adapter Indicator - Blue Ring E Series Power Adapter Indicator - Blue Dot D series power adapters have a green lights located on the power brick (Figure2). Figure 2: D Series Powed Adapter Indicator Light Location Numbers reference image above: D Series Power Adapter Power Brick D Series Power Adapter Power Indicator Light Shut Down the System If the computer currently is turned ON, running on the battery, shut down the system: 1 Click Start. 2 Click Shutdown. 3 Choose Shutdown from the menu. 4 Click OK. 5 Allow the system to power off. Plug the AC Adapter into a Known-Good Wall Outlet Verify the wall outlet is known-good by testing it with another device, such as a lamp. Confirm there are no power strips, surge protectors, or uninterruptible power supplies (UPS devices) connected to the power cable. UPS devices provide temporary power for a computer when there is no electricity available from the wall socket, such as during a power outage. Plug the power cable into the known-good wall outlet. Power up the system. Replace the MiniPCI Door, Rubber Feet, and System Motherboard

Nov 07, 2009 | Dell Inspiron 1150 Latitude D600 14.1 LCD...

1 Answer

LAP TOP WILL NOT WORK WHEN PLUGGGED INTO DOCK. tHE POINTER FREEZES WITH THE REMOTE AND ALL FUNCTIONS TO LAPTOP USULLY FREEZE. MY 1.44 MEG FLOOOPY AND MY POINTER WILL WORKSOMETIMES WORK UT iF i UNPLUGGED...


unplug everything from the docking station, and press and hold the power button for about 15 seconds. Afterwards, plug in only the power and the monitor to the docking station and dock the laptop (make sure the laptop is turned off before docking and turn on after docking). If you still have issues it could still be hardware or software at this point. If you do not have issues, plug in one thing at a time to the docking station (mouse, keyboard, ect.) and restart the laptop each time until the problem starts again. this is how you will know if a device in the DS is causing the issue. if your monitor is vga (port on back of docking station where monitor is plugged into is blue) try plugging it directly into the laptop. also try plugging in the keyboard and mouse directly into the laptop (if they are usb) and anything else you may have plugged into the DS. This will be a better way of testing your devices. If all devices work fine, i would say that it could be more of a hardware issue with your DS.

Jul 22, 2009 | Dell Latitude C600 Notebook

1 Answer

Connecting a cpi to the internet ?


1) You can use a PCMCIA card (for example a Dell Fast Ethernet 10/100 Base-TX by 3Com) with a 'dongle' to connect to the ethernet cable via an existing card slot on the left side.

2) You can get a docking station set-up (i.e. Latitude 'C/Dock') which comes with the ethernet cable connection. ...pretty affordable used on the 'net.

3) If you has a wireless router you could hook a wireless USB adapter tp connect wireless to yout router.

jmjrfeller

Dec 28, 2008 | Dell Latitude Cp, Cpi, Cpx, C600, C800,...

1 Answer

D630 docked , ext mouse & kybd not responding


If the docking station has power:

Make sure power is off for both the laptop and the docking station. Plug your keyboard and mouse into the docking station. Dock the D630 to the docking station and then power on docking station. This should then turn on your D630. Your D630 should detect the keyboard and mouse.

If the docking station has no power:

Verify that the power cord, AC adaptor, etc. is plugged in. If the items listed seem to be in order,
there may be a problem with the power going into the docking station. (AC adaptor?)

support.dell.com will have the specific details for your D630 and your docking station, et al.

Please let me know if you have success in this.

Binary Bob


Nov 27, 2008 | Dell Latitude D600 Notebook

1 Answer

No internet when docked.. needs network controller


Assume the docking station is powered. I have seen funny behaviour with my docking station. Sure way for it all to work is, everything off, fit to docking station, turn on with power button on docking station. Ensure network cable plugged before this.

Sep 16, 2008 | Dell Latitude D600 Notebook

2 Answers

Dell D600


If the docking station is not charging the laptop while docked, it may simply need to be plugged in using the power cord to recharge the battery.

Jul 21, 2008 | Dell Latitude D600 Notebook

Not finding what you are looking for?
InFocus X1 Multimedia Projector Logo

287 people viewed this question

Ask a Question

Usually answered in minutes!

Top InFocus Office Equipment & Supplies Experts

Juan Carlos Pacheco

Level 1 Expert

36 Answers

Electro Med Services...
Electro Med Services...

Level 3 Expert

6694 Answers

The Knight
The Knight

Level 3 Expert

72640 Answers

Are you an InFocus Office Equipment and Supply Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...