Upgrade Methods - Samsung YP-U4 Service Manual

Troubleshooting
4-2 Upgrade Methods
 If the product does not power on and shows any of the following symptoms, you may try the upgrade methods
in this chapter without having to disassemble the product:
- The product does not turn on when the power switch is pressed.
- The product powers on normally but no USB connection can be made.
- The product's icons appear garbled or malfunction.
- Files are corrupted, or the product shows as a "removable storage" in Windows but cannot be accessed.
4-2-1 Firmware Upgrade Method
1. Press the "YP-U4 Updater" icon in the background and run the program.
2. Run the "YP-U4 Updater" program.
3. Press the "RESET" switch on the back of the set.
4. With the "USER" button pressed down, connect the USB.
After connecting, release the "USER" button when the
progress bar begins as shown below.
4-10 Samsung Electronics