When I turn my computer on, it promptly powers back off.
I hear the fans inside your computer turn on, see the lights on the front of my computer turn on and flash, and then it will all stop. I don’t see anything on the monitor and I hear beeps coming from the computer before it shuts off by itself.
After between 20 & 30 attempts the lap top starts.
It is an Acer travelmate 7520 about 4 years old and in the last year has had Windows 7 plus Office 97 installed.
I have run, defrag, full malware, CC CLEANER