I have a LG KP501 but the sound seems to have stopped working. I can't hear anyone or anything but people can hear me. The volume adjust button works but no sound. Help! One minute it was fine and then it wasn't. No damage not dropped.

It sounds like you may have a broken wire inside. I would inspect the circuit board on the left side of the earpiece first. Look for shorts, broken wires or anything that looks burnt. You can use a multi meter to make sure the wires in the neck band are not broken. Here is the video showing how to open it up:
LG Tone HBS700 730 repair mod and upgrade

If you're missing Skype calls because you can't hear the ringtone, it's time to crank up the volume. There are three different ways to increase the ringtone: within the Skype client, within your operating system's volume settings and by adjusting your physical speakers or headset. You might find it necessary to adjust all three settings to get the proper volume. You also must set your Skype status to "Available," because a "Busy" status disables the ring from incoming calls.

Launch Skype. Open the "Help" menu. Select "Options." Select "Audio Settings" from the left sidebar of the Options window. Find the "Speakers" listing. Uncheck the "Automatically Adjust Speaker Settings" box. Slide the blue volume slider to the right to increase the volume. Press the green play button to test the volume. Skype plays a default ringtone to test the sound. Adjust your computer's sound settings. Windows users, click the speaker icon in the taskbar located at the bottom right of your screen. Move the slider up to increase the volume. Mac users, open the "Apple" menu. Select "System Preferences" and click "Sound." Drag the slider to the right to increase the volume. Turn up the volume on your speakers or headset. Desktop speakers can be adjusted by turning the knob on the front of the main speaker. Headsets sometimes have a small button that can be pressed up and down to adjust the volume, depending on the model.

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Here is a copy of your operators manual
http://us.lge.com/filedown.do?filepath=1000004174&fileName=PG60_manual.pdf
Solutions
Press the VOL (+ or -) button to adjust the volume. If you want to switch the sound off, press the MUTE button. You can cancel the Mute function by pressing the MUTE or VOL (+ or -) button.
2. USE THE SOUND MODE OPTION BUTTON
Sound Mode: Selects the factory preset sound for type of program.
3.
SOUND MODES
 Multi Audio: Changes the audio language (Digital signal). SAP: Selects MTS sound (Analog signal).
4. PAGE 88 thru 95 go extensively into details regarding sound adjustment

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Did you check the setting on the side switch? That will adjust both the ring volume as well as the volume of the speakers.

Normally, I wouldnt expect to find a control for a mic on a phone

I have the KP501, too. Well, as I know, there is no difference between KP500 and KP501...it's the same OS...My Cookie doesn't want to turn on. When I try to turn on the phone it shows just the LG logo, more not. A few seconds later it turns automatically off and than 3 seconds later it turns on again....I don't know how is this happening...searching for help!!! please help me.... :S

The remote receiver in the TV set, or its associated circuits inside the TV are not working. This would be fully proven by trying another known working remote on the TV set.

Jerry G.

i went to the verizon store, and they replaced my phone.

Hi--First, make sure your "mute" function is off.  Try holding both volume buttons at the same time for a second or two.  If that doesn't help, while you're having a conversation, either with or without bluetooth, make sure your phone's volume is turned up.  On a lot of phones the volume button will control both ringer and conversation volumes, but turning it up without the phone in use only affects the ringer volume.  My husband thought there was something wrong with his bluetooth until we noticed his phone volume was set too low--not as noticeable on handset, but bluetooth apparently needs volume up pretty high!

Get your hearing checked.