This is not really a Kicad bug. The problem I believe is with Windows 7 Aero themes. Try changing your desktop theme to classic theme. You should see the difference. A lot of applications are having issue with the Aero themes because they mess with the display API.
--- In [email protected], "Stephen Eaton" <sea...@...> wrote: > > Thankyou!!!! This was causing me much frustration as a first time user of > Kicad on a test project over the last few days, while I can put up with a > few of kicads lacking features this was going to be a killer for me (I must > admit I love Kicad, coming from eagle). It's now acceptable using this as a > work around. Has it been logged as a bug? > > > > Regards, > > > > Stephen.. > > > > From: [email protected] [mailto:[email protected]] On > Behalf Of ben_noz91 > Sent: Thursday, 1 April 2010 2:53 PM > To: [email protected] > Subject: [kicad-users] Re: pcbnew is amazing slow under windows 7 - > workaround > > > > > > > > I had the same issue on my brand new laptop on Windows 7 64 bits. > > The "interf_u.brd" took many seconds to display or refresh. We can see the > lines draw one by one. > I tried different binary versions, with the same problem > (KiCad-2010-03-14-SVN2456, KiCad-2009-02-16-final, kicad-20080825). > > Like you I tried on virtual machines: XP and Linux 64. And here, despite of > virtualization overhead, the same test is responding instantly (so for me > this is at least 50 times faster!)! > > After this I found a very simple "turnaround" solution: go with explorer to > pcbnew.exe, click "properties", and check "unactivate desktop composition" > under the compatibility tab. > With this the speed becomes from unusable to acceptable, but not as smart as > under the linux or XP VM. > > So this acts as a conflict with the new display system of vista/win7. > > Hoping this little information might help you and other people that will > face this problem. > > Greetings > Ben. > > --- In [email protected] <mailto:kicad-users%40yahoogroups.com> , > "o00batman00o" <anthony.siegrist@> wrote: > > > > Hello > > > > Since I upgraded to windows 7, I can't use pcbnew beacause the screen > refresh is amazing slow. I can see dot grid showing up from left to right. I > notice the same behavior on all PC running Windows Vista or 7. > > > > My temporary solution is to run Kicad under Ubuntu via VirtualBox. By this > way refreshing rate is in my opinion 10 times faster. > > > > Does someone noticed the same issue? Is there a solution ? > > > > > > > > __________ Information from ESET Smart Security, version of virus signature > database 4990 (20100401) __________ > > The message was checked by ESET Smart Security. > > http://www.eset.com > > > > __________ Information from ESET Smart Security, version of virus signature > database 4990 (20100401) __________ > > > > The message was checked by ESET Smart Security. > > > > http://www.eset.com >
