Question about Sony Grand WEGA KDF-60WF655 60" Rear Projection HDTV

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HDMI blank picture

Using the HDMI cable, I have a picture for a few moments when my mac mini boots up, but then the TV (Video 7 output) goes black. I know the mac mini is working because when I plug it into a monitor, the picture is fine on a monitor.

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Check to see if the TV can support the resolution and refresh rate (ie 1920X1080 at 60HZ) Most HDTV's have a limited number of resolutions and refresh rates that they are compatible with. When the computer is booting up, it is probably using a default resolution that is compatible with the tv. Then after the computer finishes loading all of it's drivers, the resolution changes to one not supported by your tv

Posted on Jun 15, 2008

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Posted on Jan 02, 2017

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When using our Sony Bravia to display pictures from an Asus Revo 70 nettop via HDMI, the picture often goes into reverse video - any idea what might be wrong, please ?


There is no obvious answer. Do you mean it goes 'negative' i.e blacks are white and vice versa?
It could be any number of reasons ranging from faulty graphics adapter in the pc, dodgy hdmi cable, incorrectly set up laptop or a video driver update required etc.
Any chance you could try it with a combination of a different tv set, a different hdmi cable to see if it narrows it down. Try changing the nettop output settings to different resolution. Is the resolution set correctly?
You are going to need to narrow it down. Also open the graphics control panel and check the settings.

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Can you change the signal format in the display settiings? 1080p is the native one on your monitor, try difrent ones if availabe. also test difrent resolutions.

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My screen is black, why do I not have a picture?
Answer Antenna is not hooked up to television.
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Problem is caused by television broadcast
  1. Push 'INFO' button.
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Answer
  • Make sure the cable is well connected .
  • To check which connection is selected, Press the i+ button on the remote control.
  1. When you see Blue mute / blank screen and the i+ display does not indicate any video resolution indication then there is no valid signal detected.
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  2. When you see a blank screen and the i+ display shows a video resolution indication then the connection is correct.
    • The blank screen is caused by the accessory device and not by the TV.
    • To detect and remedy the problem caused by the accessory device, check the instruction manual of this device.
  3. If the problem remains : reselect the HDMI external source input by changing to the other HDMI input and back to the connected HDMI :
    1. Press AV on the remote
    2. Press up and then ok
    3. Press AV again
    4. Press down and ok
    5. The compatibility check process between TV and accessory device will start over again.
  4. Reset (switch off and back on) the TV and also reset the accessory device.

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Hey, you would need a Mini display to HDMI cable and unfortunately the sound cannot be ported through the mini display port.

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Later MacBook (Pro) use a mini-DVI connector that does not pass analog needed for composite or S-video. Was yours ever working? And most DVI connectors do not pass sound as seen by your cabling. You cannot detect display through RCA. You just set it in Sys Prefs :: Displays, try some other settings, although your seem right.
I have a white early-2009 MacBook and mini-DVI to HDMI adapter (monoprice <$10) and HDMI cable and have not connected the TOS-link for sound, yet--just slideshows at 1920x1080. You will get a much better picture digitally. -Ken

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  • Then, with only the PLAYSTATION®3 and the TV connected, touch the system's power button for more than 5 seconds to turn the system back on. The video output settings will automatically be reset to the standard resolution.
if that does not work then call Sony at
1-800-345-7669 (SONY)
Mon - Sat 6:00AM - 8:00PM PST
Sun 7:00AM - 6:30PM PST

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1 Answer

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Adjust resolution on your mac mini to something the TV supports. Usually 1080 vertical resolution or below

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