Mac Mini doesn't startup after failure firmware update..

Hello.
I have a mac mini.
Downloaded firmware update and Mac OS X update through MAC OS X Software Update.
After that my Mini Mac ask me to restart.
And now my display shows "No signal" message and no startup sound. Indicator lights up, can hear Hard Drive sound and DVD disk sound, optical mouse lights up... and nothing else.
I tried to reset PMU... nothing again (

Hey Guys today i updated my macmini from 10.5 to 10.5.2 i downloaded the file 343MB on http://www.apple.com/support/downloads/macosx1052comboupdate.html since i have a slow connection i took me 5 hours to download the file after installed and and saw the success intallation with a green checkmark then restart and it presented me a blank white screen as i was reading the discussion i read that just leave it as the OS is doing it's thing but there is no indication whatsoever just a blank screen. then i saw my SD card reader blinking i remove it thinking that its the cost why there is now indicator that the HD is still reading so ive waited for 30mins without touching a thing and finally i heard the CHIME OF RELIEF the apple logo flashes and I have installed my OS 10.5.2 successfully

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Hi
I recently upgraded my mac mini from 2gb ram to 8gb ram and noticed that when the mac goes to sleep and the tv ( through hdmi wire) goes into standby that the mac mini will not send a signal to the tv anymore to wake up the tv from standby when I need it too from tapping on keyboard or moving mouse. At first I thought it was because of a software upgrade on the mac mini but when I switched back the ram to 2gb the mac mini will send the signal to wake the tv . I am just wondering has anyone come across this problem and what the solution is . I hav already reset pram setting and the usual things that everyone has mentioned in other posts . This seems to be a major flaw in apple deisgn unless they have a fix . I am stuck with my 2gb ram now in the mac which doesnt even have any speed . the only way I can use the 8gb ram is if i turn the mac on and off everytime I want to use it , as this is the only way to wake the tv with the 8gb ram inside as it doesnt wake the tv from sleep. This totally contradicts what apple say in their manual aswell, they say not to power down your mac if your using it everyday just put it to sleep which wont help me in my case . So at the end of this rant my only two options are to continue to use 8gb ram and have to power on and off mac everytime to wake the tv or use my 2gb ram which makes the mac run really slow as 2gb is not enough but hey aleast my tv will come back on from sleep mode .
Any answer will be a great help ???

Hi, no idea if this could affect it, but after the RAM install did you try thiese?
Have you done a PRAM reset, CMD+Option+p+r...
http://docs.info.apple.com/article.html?artnum=2238
Intel-based Macs: Resetting the System Management Controller (SMC)...
http://support.apple.com/kb/HT3964

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Hey All,
I just finished downloading the new update and my Mac Mini wont start up. It just stays on the white screen with the apple and it blinks the prohibit sign. I read everything I could on trying to get this baby back up and here's what I have tried.
I started up from the disc and under disc utility I repaired permissions & repaired disc-after repairing, both showed that there was nothing to repair.
I tried reseting PRAM by holding down command, option, p & r. Nothing
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but...I was able to archive and install.
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The software update program suggested an upload of a new firmware. The software update concluded and I was advised that the system needed to restart.
The system shutdown but during restart did not progress beyond the apple icon and the little rotating wheel. No amount of reboots have helped. I used firmware restore CD and went through the reboot process but still get the same thing...apple and rotating wheel.
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D

Welcome to the Apple Discussions!
This will probably solve the problem:
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To be honest, I think it's over 60Gb of free space. The hard drive is either 320Gb or 360Gb.
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Message was edited by: Ert00044

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hey p26grinz,
without the external monitor and after setting the display, will the setting remain ?
have you tried uninstalling the graphic driver from your unit and then testing it with generic driver ?
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My 2009 Mac mini doesn't boot anymore : all I get is a blank screen, I can't even chose to boot on the restoration drive.
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Note: It is possible that the SMC could encounter an issue that may cause unusual system behavior typically related to the symptoms described below. In some cases, resetting the SMC may be the only correct method to resolve the issue, however, an SMC reset should only be attempted after all other standard troubleshooting has been performed.
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Apple Computer, Inc. Apple Cinema HD Display
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Mac Mini doesn't startup after failure firmware update..

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