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| Scrolling diagonal on TV out http://forum.linhes.org/viewtopic.php?f=2&t=9914 |
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| Author: | Big boy stan [ Thu May 04, 2006 2:08 pm ] |
| Post subject: | Scrolling diagonal on TV out |
I am trying to setup another front end on a Toshiba 1800 laptop. The laptop has a Trident video card with TV out. I went through the auto install and got connected to my backend with almost no problems. Video and sound worked perfectly on the laptop screen/speakers. I then went and connected to my SDTV through the composite video out connection. After pressing the FN-F5 key I got a signal on my TV but it was rapidly scrolling diagonally. Is this a function of the modelines being wrong? I know very little about modelines. If it is the modeling, should the laptop screen be off also (it isn't). I had my other (slower) notebook connected to the same TV and it worked fine. Can I use the same modeline for the new system. In other words is the modeline related to the TV or to the video card (or both)? Lots of questions I guess. Can any one shed some light on this for me. |
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| Author: | elph [ Sat May 20, 2006 11:46 am ] |
| Post subject: | |
Either your resolution is set too high or your refresh rate is set too high. Read the instructions at the very bottom of the following page for refresh rate settings: http://www.mysettopbox.tv/doc.html |
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| Author: | Big boy stan [ Fri May 26, 2006 2:17 pm ] |
| Post subject: | |
Thanks for the response elph. I went throught the instructions and checked the refresh rates. All look OK. Is there an easy way to check modelines. What does a bad modeline look like? |
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| Author: | L0o0ky [ Fri May 26, 2006 4:42 pm ] |
| Post subject: | |
The first thing I would do is look at the boot process on the front end. If it looks fairly clean (no scrambling, scrolling, etc...) then look at when it starts messing up. If it messes up when any part of the UI for the frontend loads, then assume that the refresh rate is too high. It's probably a probably a safe assumption. Search through the forums for details on making sure that your XF86Config-4 file is set up to restrict refresh rates to no more than 60Hz. L0o0ky |
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| Author: | Big boy stan [ Tue May 30, 2006 9:47 am ] |
| Post subject: | |
I am sure that the XF86-Config4 file has the refresh rates set for 60Hz as written in the pamphlet. I discovered that I can see the text based sessions (alt-cntl-1) on the TV but nothing on the GUI. I assume this means that the hardware and driver are OK and this is just a settings problem. Is there a startup log for the GUI that shows what resolution/refresh rate/ modeline etc. is being used? Maybe the answer lies in there. |
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| Author: | tjc [ Tue May 30, 2006 4:52 pm ] |
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Big boy stan wrote: Is there a startup log for the GUI that shows what resolution/refresh rate/ modeline etc. is being used?
http://www.knoppmythwiki.org/index.php?page=CheckingLogFiles Also check out the troubleshooting page there. |
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