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Jun 22, 2016 11:23 PM in response to flamusiby Allan Jones,★HelpfulDear Flamusi,
First, welcome to ASC!
A dead internal backup battery (or "PRAM" battery) in Powermacs of that era will cause a loss of video but you will hear everything else working, such as fans turning and the usual noise from the hard drive. If you do NOT hear the usually noises--that is, the commuter has no reaction to pressing the POWER button--then it is likely some other issue like a bad power cord, failed electrical fuse, of a failed power supply.
So, can you hear anything happening when you try to start the computer?
Allan
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Jun 23, 2016 1:15 AM in response to Allan Jonesby flamusi,Hi Allen
Nope! Nothing happens when I try to start my computer by the usual methods. There is no sound (fan) when I press these buttons : the one on the keyboard and the other one on the back part of the computer
The battery has never been changed.
I sought unsuccessfully to solve the problem through the user's manual supplied with the computer.
It does not mention a link between the expiry of a battery and a failure to start but I read this paragraph: '' If the computer does not start when you just installled a DIMM, a RAM high-performance card or an expansion card, press the reset button on the motherboard ... ''
The computer is connected to a surge protector as three other devices.
There was a thunderstorm shortly before my unsuccessful attempt at starting. I had closed the current surge in the bar before the thunderstorm begins. All other devices connected to the surge protector work normally except the computer. All other electrical appliances in the house too.
Here is what I intend to do :
1) I will press the reset button of the motherboard.
2) I will be forced to see the technician.
Well well well...
Thank's for answering my request Allen.
I hope your day ''started'' normally!
(Message written with the help of an internet translator and myself)
Have a good day anyway!
F.
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Jun 23, 2016 8:08 AM in response to flamusiby Allan Jones,The lack of any action at all first suggests your power supply is dead but first try a different power cable. That model uses any standard computer power cable.
Unfortunately, most repairmen qualified to work on such an old Mac are likely in veterans' homes by now! If you are in the Toronto area, let me know. I know a person there very familiar with Mac repair resources who may be able to help find repair service.
Frankly, today a used, working 6500 series cost so little it may make more sense to buy one for $15 that spend over $100 in labour alone on your current non-working one. You can simple swap over the hard drive in many cases and be up and running.