SOURCE: dell 1800 power edge is giving long beep continuously.
Power supply, system board, or keyboard problem
SOURCE: high pitched noise red light blinking
A high pitch noise comes normally from blown capacitors from the motherboard or the power supply. But mostly high pitch noise comes from power supplies.
You could have to open up the power supply to see them.
Verify if it is the case and replace the faulty part.
SOURCE: power edge loght is red and blinking
You
should be able to see the reasons in the front panel, remove the
front cover and you will see a small display with some information
passing slowly. Sometimes is just the redundant power-supply that is
disconnected.
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