Yes you need to use it some times
Hi there,
I have a SamS4 Epos machine. After a transaction was completed there was a long consistent beeping noise, the screen went blank and now there is a repetitive consistent beeping noise. Although there is an indication of power supply the screen is still blank and the computer does not initiate.
All cables are securely fixed into the relevant ports but nothing. Can you help?
Thanks in advance.
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