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Samsung 55" screen says 'weak signal' Un55c6400, 3 years…

Customer Question
Samsung 55" screen says...

Samsung 55" screen says 'weak signal'

Technician's Assistant: What Samsung model do you have? How old is it?

Un55c6400, 3 years old

Technician's Assistant: Does the TV menu work? Do you have the same problem on all sources/inputs?

Menu worked yesterday

Technician's Assistant: How long has this been an issue with your Samsung? What happened right before this?

Today tv pc only, won't scroll down to HDMI 12,13

Technician's Assistant: Anything else you want the TV Expert to know before I connect you?

Tv is connected to yamaha rxv479, then connected to cox box

Submitted: 7 months ago.Category: TV
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Answered in 2 hours by:
1/2/2018
TV Technician: Anthony_Infotech, Technician replied 7 months ago
Anthony_Infotech
Anthony_Infotech, Technician
Category: TV
Satisfied Customers: 16,385
Experience: 20+ years experience TV expert (field and bench) 9 approved qualifications in TV-ELECTRONICS
Verified
Hello
WelcomePlease begin by rebooting the set by unplugging the set from wall power wait 5 mins then replug back in again let me know if there is any change pleaseAnthony
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TV Technician: Anthony_Infotech, Technician replied 7 months ago
Oh forgot to say do the same with any satellite or cable box you may be usingAnthony
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TV Technician: Anthony_Infotech, Technician replied 7 months ago

How is this working out please?

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Customer reply replied 7 months ago
I asked you to cancel all.
good odea!
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