Samsung ED55C User Manual page 125

Remote control issue
The remote control does not work.
Source device issue
A beeping sound is heard when my PC is booting.
Make sure that the batteries are correctly in place (+/-).
Check if the batteries are flat.
Check for power failure.
Make sure that the power cord is connected.
Check for any special lighting or neon signs switched on in the vicinity.
If a beeping sound is heard when your PC is booting, have your PC serviced.
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