Apple 21.5" iMac Desktop "mac pram reset" Questions

Four bongs at startup Why are there four bongs at startup? What does it mean? Reset pram did not stop it. I believe you are supposed to hear four bongs when you reset PRAM.

PRAM. To do that, turn off your Mac. Now turn on your Mac. Then, immediately, hold down the Option-Command-P-R keys until your Mac restarts. When your Mac is starting up, release the keys. 4.Reinstall

...pram reset. I did the sim reset, but still doesn't work. Keyboard and mouse not working. Simply you can't alone, probably you have problems with your southbridge on motherboard. Usualy this can be ...

...is the best way to correct his problem. I tried zapping the PRAM but it did not help. I am on a IMAC Intel DUO running 10.6.3 You should be able to resolve this by restting your SMC and THEN ...

...pram has been reset. But I don't get the chimes. Any suggestions? You must remove the back panel and press the pushbutton on the motherboard by the 3 leds. If that does not work then you may have the ...

...MAC OS X DESKTOP AND THE WEBCAM IS NO LONGER WORKING AND I DONT KNOW WHY IT WAS WORKING BEFORE NOW ITS STOPPED CAN YOU HELP The first step in trying to solve this problem is to perform a PRAM reset. ...

...screen with a ? mark desk top IMAC reset pram, try holding down s key to boot in safe mode, try holding down option key on startup and select drive, install system disk and restart holding down c

...screen, no chime/mouse light. Tried Pram reset, Tried instal from disk, tried to boot as target drive. No result from all - dead - except for power light. It sounds like you need a new

Startup computer and all of desktop is there. then the screen goes to blue and then back to normal. This continues to repeat over and over. Any ideas? Warren Hi, You may need to restart the PRAM and ...

it seems like a motherboard problem (hardware), you will probably need to bring the mac to an AASP. Before, you can try the Apple Hardware Test, or resetting the PRAM (Hold the cmd, alt, p and r keys