Ati Mobility X1600 with Philips Monitor

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Ati Mobility X1600 with Philips Monitor

Postby Bommel » Fri May 14, 2010 12:03 pm

I'm using an 'old' laptop. A HP (Compaq) NX9420 with ATI Radeon Mobility X1600 graphics card. The TFT screen of the laptop does not work anymore. So I made a desktop of this machine by using an external Philips 22" TFT screen.
In Linux Mint 8 this works fine. I disabled the laptop screen and enabled only the Philips.
Now I want to use Linux Mint 9 and this screen does not work anymore. The Philips screen gives an unusable 'waving/shivering' screen. In the resolution 1440x800 (I believe) it is like a sea of waves scrolling from left to right. When I change to the right resolution 1650x1250 (Both 60Hz) the screen is in a high speed shivering wave which makes the screen totally unusable.
I have tried many restarts with live CD and with blank installations. ( I mean no update, but formatting the HD and a new install).
Just one time I had a nice screen like it has to be, so it must be possible to let it work fine.

It is not a problem of the monitor. I connected today the monitor to another PC (with Linux Mint 9 livecd and a NVidia graphics card) and I had inmediately a perfect screen. So it has to be a problem of the ATI driver.

I’m trying Ubuntu 10.04 too. This monitor/graphics driver problem is in 10.04 exactly the same.

I wish you succes with developping Linux Mint 9!!

Best regards
Hans Baars
The Netherlands

Can anyone help me to solve this problem?

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Re: Ati Mobility X1600 with Philips Monitor

Postby Godfather8850 » Wed Jun 23, 2010 8:19 pm

Hello my friend!!

I am writing to ask you if you were able to solve the problem with your ATI Radeon X1600 and the VGA connection with your TV. I have the same problem too with a Samsung TV and any advice can be helpful! I have looked all over the place and the screen seems to have the same problem with yours. Shaking image etc.

Thank you in advance for your assistance.

Best Regards,

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