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Windows 7: 3min screen flicker

24 Mar 2012   #1
stav242

win7 pro
 
 
3min screen flicker

I have a shuttle win7 pc setup as a media center, running a ati radeon 4550 over hdmi to a sony lcd tv.
After the system has booted (on a ssd for os, harddisk for data,1gig network nas for films and music) i get intermittent problems with the display blanking out. When it starts it goes every 3 mins, with the tv loosing signal for a second then the display returning.

Ive tried...
Swapping the hdmi cable
Reinstalling the os
Swap graphics card for nvidia
Adding extra cooling to the ati4550 card to keep it down below 50c.
Even got a new barebones case and motherboard

Reinstalling the os seemed to resolve it for a while, then it reappeard after a few weeks.

There are no eventlog entries, no powermanagement logs I can find and all drivers are upto date..

Im getting very frustrated.. any ideas welcome.


My System SpecsSystem Spec
.
25 Mar 2012   #2
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Welcome to Seven Forums stav242. This may actually just be an HDMI/TV issue. Do you have other HDMI sources connected to the TV that work fine? This intermittent dropout issue is very common with Direct TV boxes and Motorola Cable boxes. I can sometimes correct it for customers buy doing an "HDMI reset". This involves unlugging the cable from the TV, unplugging the AC power from the TV and the source device. Reconnecting the AC and let the device boot. Turn on the TV and then reconnect the HDMI cable and switch to the HDMI input.

Check for the latest update for your Sony TV (they are often for HDMI connectivity issues, I am a TV tech).

Sony eSupport - Electronics - Select Your Model

Put in model number and choose Drivers and Software tab.

This could however be a PC issue of course, but if it is a TV issue, you will never fix it by going the PC route obviously.

A Guy
My System SpecsSystem Spec
Reply

 3min screen flicker




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