mac won't boot

Hi, I've posted this on another couple of forums but struggling to find any advice. Hopefully someone on here can help. Couple of days ago my macbook pro (A1226) simply wouldn't turn on at all. Running of the battery and pressing the power button would return nothing, running of the mains...

the core of my home studio is built around a g5 dual 2.5 ghz mac tower. it's AC is plugged into a furman power conditioner (this one, to be specific), which is rarely turned off. this machine was purchased in january of 2005. recently, while the mac was in sleep mode, the power...

my mac stopped booting today, and i can't get it to boot off a cd either. don't have my tiger install disk around, but norton utilities disc won't boot either. i can get it to boot to single user mode. i run fsck and it goes through all the checks, but while checking catalog hierarchy it...

My iMac Rev. C is being a serious bitch -- it won't start up. I have no idea why. I normally use it at night when it's connected to the Ethernet line, but now (without the Ethernet) it is not working. I just booted the Mac and have been waiting for the past 10-20 minutes for the smiley...