On Fri, Jun 12, 2009 at 8:45 PM, Sorin Srbu<sorin.srbu at orgfarm.uu.se> wrote: >>-----Original Message----- >>From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On > Behalf >>Of Jeff >>Sent: Friday, June 12, 2009 12:40 AM >>To: CentOS mailing list >>Subject: Re: [CentOS] Evolution Question? >> >>>> I have a CentOS 5.3 Desktop and use Evolution to read mailing lists . >>>> When i move from one read letter to another(either deleting or clicking >>>> next the Message pane flickers. How can i stop this because it is hard >>>> on my eyes when i have a few emails to read? >>> >>> Increase the scan frequency of your monitor maybe? I've seen this in > lists >>> generally with thousands of entries and the gfx-card can't keep up. Most >>> often upping the scan frequency solved this issue. I've also seen this on >>> computers that are a bit, ummm, underpowered. ;-) >>> >>> If you have an Nvidia gfx-card, try installing the proprietary drivers, > or >>> (recommended) dkms and the dkms-Nvidia*-package. >>> >>> YMMV. >>> >>Thanks for the reply. My card is a GeForce FX5200 is there an easy way >>to set it up as there seem to be a few options? Not sure how to increase >>scan frequency? is it dangerous? > > Did you install either the dkms-Nvidia-package or the proprietary Nvidia > driver package? Shouldn't matter anyway, as both install a "Nvidia X Server > settings"-applet. With this you can change resolutions, scan frequencies and > whatnot. > > Dangerous? Well, yes. If you set too high a frequency you might damage the > monitor. For flatscreens the most common frequency is 50 (older standard > IIRC) or 60Hz (most common nowadays). CRT's can vary between 60 to 120Hz. > Most common AFAICT is the 75-85Hz range. > > Your flickering thing might also be because of a too high set screen > resolution. Start with 1024x768 and 75ish Hz and go up stepwise. See if it > gets better. > -- > /Sorin > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > > I installed the dkms but i couldnt make it work so its back to nv driver now. My resolution is the same as i have been using for years on this monitor and seems to work well. I have now installed Claws mail and the message pane jumping problem has vanished Thanks for your help. Jeff