Force resolution without drivers

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[iScott]

I can get 1280x1024 if you would like. here is the way:

 

1. Go to Library/Preferences and right click on System Configuration then click on the little lock on the bottom, give password then make all privileges "Read & Write". Click on the + and add yourself with Read & Write. close and then open up System Configuration file. In system configuration do the same to com.apple.boot.plist. After all that close and reopen com.apple.boot.plist and it is time to edit it. When you open it, it will look like this:

 

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">'>http://www.apple.com/DTDs/PropertyList-1.0.dtd">

<plist version="1.0">

<dict>

<key>Kernel</key>

<string>mach_kernel</string>

<key>Kernel Flags</key>

<string></string>

<key>Timeout</key>

<string>5</string>

</dict>

</plist>

 

 

It needs to look like this:

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">

<plist version="1.0">

<dict>

<key>Kernel</key>

<string>mach_kernel</string>

<key>Kernel Flags</key>

<string>"Graphics Mode"="1280x1024x32"</string> <----------- This is where you put "Graphics Mode"="1280x1024x32",with quotes

<key>Timeout</key>

<string>5</string>

</dict>

</plist>

 

That is the best you can get w/out a driver in VESA mode.

[macmarsyl]

Hi, I have in my Toshiba laptop a Mobility Radeon X1200M. Due to the lack of suitable kexts for it (maybe I'm wrong?) I have tried to force the resolution to the monitor's native 1440x900 (aspect ratio 16:10), editing the boot.plist file. Unfortunately I have obtained only 1152x864 (4:3). Do you know if there is some way to force 16:10 resolutions in VESA mode?

 

Thanx.

[diogo_c]

i`d like to know that too, i forced my resolution on the boot.plist but couldnt get the right ratio for my wide-screen lcd. ideas? thx!

[mac_maestro]

When you boot and the Darwin bootloader screen comes up, hit F8 for options before the countdown runs out. Then type a question mark at the prompt and hit return. Scroll through the next page or two and it will tell you exactly how to force a certain resolution at startup. you don't need to alter your boot files, so you can try a bunch of different resolutions until you find one that makes you happy.

Best of luck

[diogo_c]

thx mate!

[solidus636]

hey, i have the same problem...only mines a little bigger.

 

whenever i try to change boot peramiters, it blinks after i press enter and doesn't change anything...

 

none of the parameters i put in are booted, unless its something like -x or -v...and on the last time i tried -x...it froze...

 

so..any help?

[Neo the Two]

im trying the same thing; doesnt work at all for me.

 

i enter >>>"Graphics Mode"="1440x900x32"<<< as a boot flag, but it doesnt even change the resolution at all. still just 1024x768. 

 

 

EDIT: oh and i tried manually entering it during the boot: prompt itself. if i leave it at just 1440x900x32 then it will boot into a slightly larger 4:3 resolution (WTF!?!?!?!!), and if i try 1440x900x32@60 then it just restarts; didly squat is accomplished. yay. *longsigh*

[cclloyd9785]

Thats the exact same for me. Iv tried a few options

 

x16 colors:

1280x768

1360x768

1366x768 (monitor native)

 

And the same ones for x32 colors.

 

They all came out 1024x768x32