Screen turns off during a video session on Sony Bravia TV.

I have a Windows 7 Home Premium machine. It has Intel DG45ID motherboard with integrated graphics and sound. In use network interface card is Asus PCE - N15-wireless. As a monitor for this system, I use Sony Bravia TV. Its normal resolution is 1920 x 1080. TV is connected with HDMI cable, sound comes from separate computer speakers. This installation of Windows is more than a year now and until very recently it has worked flawlessly. However the screen started having weird outages. System works normally for a while and then all of a sudden comes totally black screen for a second, and after that this system works well again. It seems that this is not a major problem, but in any case, it's annoying to have a black screen during a video session.

I tried following:
I uninstalled and reinstalled Adobe Flash Player. It did not help.
I have updated the drivers for graphics cards. It did not help.
Original title: blinking display

I uninstalled my previous antivirus software and replaced it with Microsoft Security Essentials. It did not help

I do not know what causes this behavior, but I have the feeling that there might be software that is changing display resolution to something that TV does not support.

Issues related to the:
Is my correct diagnosis?
What is the software that is the cause?
How it can be fixed?
If you know the solution to this answer please problem. Thanks in advance.

So, I unplugged the power cable and all other cables and open the folder. Everything seemed to be in good condition. However, it is computer shelf with micro ATX form and therefore, there is not too much space in the case. HDD and DVD drive are in separate removable metal frame and SATA cables are a little tight. Also drives hard cable has been connected motherboards SATA1 connector, and the DVD player was connected to the SATA0 connector. And end drives seemed to be a little loose. I happened to have a spare cable SATA and cable change new hard drives. I also changed the ends of motherboard, hard drive on connector 0 and DVD 1-connector. Then put evrything together and started the machine. First visited the BIOS configuration settings and reset the defaults. And now, the computer works well again! I don't know what really made the tour. Disks hard SATA-cable was perhaps wrong.

Thank you for your consideration. Good bye. Pekka.

Tags: Windows

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