I do have my yp s2 samsung mp2 player.. unfortunately, my colleague had not remove it safely from the pc when i did charge it.. now, when music plays it doesn't produce solid sound unlike before... it seems that the music is heard from someone who's singing with a mcrophone! Please help on to this matter. thanks a lot.

Try this troubleshooting tips... http://www.docstoc.com/docs/1273279/Samsung-yp-s2-manual-Have-you-read-this If still problem...let me know I will try my best to repair it.

1 Turn on your computer. Connect your Samsung MP2 Player to your PC via the USB cord. Power on your Samsung MP3 Player.

2 Wait for the popup screen and select "Open Folder to View Files." If no screen appears, navigate to my computer and double-click the Samsung player.

3 Select the MP3 files you no longer want on your player by highlighting them with the mouse.

4 Right-click and select "Delete."

5 Close the folder and safely remove the MP3 player by using the "Safely Remove Hardware" feature in the system tray.

Samsung Player Is No Longer Detected By Windows XP, Vista, Emodio Or
Samsung Media Studio.
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When your computer doesn't recognize your Samsung MP3 player, programs
such as Samsung Media Studio (SMS), Emodio, Windows Media Player
(10 or 11) do not allow you to transfer files to your player.
In SMS and Emodio, the portable icon appears grayed out.
In Windows Media Player, you are prompted to connect a device.
Your PC may fail to recognize your player for a variety of reasons.
To begin troubleshooting, scroll down, and then click the operating
system your computer is currently running.
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General Operating System Information
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On Windows computers, Samsung MP3 players require at least Windows XP
Service Pack 2. If you have an older operating system such as Windows
2000 or Windows 98, your computer won't recognize your player until you
upgrade your PC to at least Windows XP Service Pack 2.
If your PC is running Linux or MAC, it will not recognize some MP3
players that support only MTP mode. However, it will recognize players
that support UMS mode and list them as mass storage devices.
The following Samsung MP3 players support UMS: YP-U1, YP-U2, YP-U3,
YP-U4, YP-U5, and YP-S2.
The following Samsung MP3 players support both MTP and UMS mode: YP-Z5
and YP-P3.
Windows Vista may fail to detect you device if the player is not
connected properly, Windows Media Player is not installed or has become
corrupted, Vista is unable to install the MTP drivers, or the MTP patch
is not installed.
You can check it out further by going to this website and entering the information about your player
http://www.samsung.com/us/support/#
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While connected to the PC, go to my computer. Right Click on the USB Audio device (mp3 player) and choose Format. It will now format your player. Just make sure to back up your files first as to formatting will restore your player to default settings and will wipe out the memory.

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My yp-S2 mp3 player is only showing a blue-green color where the light shines and its not playing music or anything, the light stays on, doesnt flash or anything, how do I fix it?

You can download MP3 songs on the Internet, some sites have free songs, other sites charge to download these songs.
I suggest you Google search for MP3 songs/music you prefer say, Rock, Classic, Country & Western etc.

u **** =))

Go to this website and they will have the necessary files to update your player.
Once your at the website just follow the directions provided and put in your infomation that is required and it will lead you to the place you can download the firmware/updates.
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http://www.samsung.com/ca/support/detail/supportPrdDetail.do?menu=SP01&prd_mdl_cd=&prd_mdl_name=YP-Z5AB%2FXAC&prd_ia_sub_class_cd=P

1. Connect the USB cable to your computer.
2. Press and hold the button while plugging the other end of the USB cable into the YP-Z5.
3. When the display shows USB Connected, release the button.
4. The device is now in USB mode.
5. When through, you must safely remove the USB device. Note: To safely remove the USB device, right click the USB icon ( ) in the bottom right of your screen, and then click Safely Remove Hardware.
   

1. Upon disconnecting the device, it will return to MTP Mode.

It sounds like it could be a faulty battery reader or possibly a faulty recharger, are you charging through your battery recharge or through your pc? try swapping them around and see how that goes.