Set Display Refresh Rate in OSX w/o External Utilities

Posted by codedonut on Super User See other posts from Super User or by codedonut
Published on 2011-01-02T17:54:08Z Indexed on 2011/01/03 9:56 UTC
Read the original article Hit count: 447

Filed under:

osx

|

external-display

I have an iMac and an LG Flatron connected as a secondary monitor.
The recommended resolution for the flatron is 1680x1050 @ 65.290 Hz (horiz), 59.954 Hz (vert).

For some reason, OSX is choosing a slightly different set of scan rates and this is currently my best guess of why the monitor goes into power saving mode when connected to the iMac (but works fine on a PC).

Now, I resolved this by installing switchResX and fudging the scan rates according to the specs in the manual.

But how does one change these rates w/o 3rd party tools? Which config files need editing?

Thanks

© Super User or respective owner

Related posts about osx

OSX/Wine - Associating file extension (.php) with a Windows program on OSX

as seen on Super User - Search for 'Super User'
Greetings, I am running PSPad (a Windows programming editor) on OSX/Snow Leopard using Wine 1.1.35 I want to associate various file extensions (.php, .js, .html) with PSPad.exe OSX Finder does not allow this association -- I can only associate file types with $.app items in Applications. How do… >>> More
osx web service spawns icon in taskbar - osx - while drawing image

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a web endpoint that displays an image of a string... When the following code is run (in tomcat) it spawns a java icon in the taskbar on OSX. Not sure if it is a problem, or whats going on. Looking for some sort of explination @RequestMapping("/text/{text}") public void textImage(HttpServletResponse… >>> More
Cannot disable spotlight indexing on volume

as seen on Super User - Search for 'Super User'
I have a FAT32 partition on my HDD. When using OSX, it is mounted to /Volumes/MEDIA. After a recent upgrade to Mavericks, spotlight is having trouble indexing it, eating up almost all of my system resources, and I cannot get the indexing to stop: [jay-mba-osx ~]% sudo mdutil -v -a -i off /: Indexing… >>> More
OSX - User home directories shared via NFS

as seen on Super User - Search for 'Super User'
Hi, I've run into some problems with how I've got user home directories set up on our system here. Our server is an XServe, using Open Directory to manage the user accounts. The majority of our workstations are OSX, but there are a few running Linux (Centos 5.3), and, as time goes on, we expect… >>> More
Can't connect to local IP address on OSX

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm trying to connect to a webserver that's running on my mac OSX 1.6. I'm able to connect to it locally using http://127.0.0.1:8888/myapp but when I attempt to connect to it using my machine's local IP address (http://192.168.1.15:8888/myapp IP shown below) from the same machine (or another on the… >>> More

Related posts about external-display

External display, windows are moving to external display

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I use external display with lenovo w520, I am running it with following script xrandr --output LVDS1 --auto --primary --output VIRTUAL --mode 1920x1200 --left-of LVDS1 optirun screenclone -d :8 -x 1 xrandr --output VIRTUAL --off but I have number of problems. All windows are moving on external… >>> More
59 vs 60 hertz on external display via DisplayPort

as seen on Super User - Search for 'Super User'
Don't know if this is a really specific question or you'll help me out. Please do. I just bought a DeLock DisplayPort cable for my Lenovo T500. Tried to use it with the in-built Intel MHD4500, no use. With the ATI HD3650 (you can switch between the two vga on this machine) I get a normal picture,… >>> More
Changing dual-monitor settings without closing the laptop lid on OS X

as seen on Super User - Search for 'Super User'
I have a Unibody MacBook hooked up to an external display. By default when I boot up, the system will go to dual-monitor mode. I want to use only the external display. The Apple supplied solution to this problem is to close the lid of the laptop which puts the machine into sleep mode and then move… >>> More
Two virtual computers using one laptop?

as seen on Super User - Search for 'Super User'
Hi, I have a laptop and an external display. I am able to use the external display either as extended desktop OR duplicate desktop. I also use a separate keyboard and mouse. So effectively, the laptop acts just as a box without display. I want to know is it possible to use the laptop as 2 virtual… >>> More
Calibrating Displays in Boot Camp 3.0 on MacBook with external display

as seen on Super User - Search for 'Super User'
The LED display on my MacBook Pro is very blue-ish without correction. In OS X the advanced mode of the display color calibration tool is excellent and I can largely color-correct the display. Windows 7 incorporates a color calibration tool but it is less powerful. It largely consists of a software… >>> More