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Repair and disassembly guides for the Compaq Presario CQ40.

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Why is my laptop not booting with power led button blinking?

my laptop is not booting with beeping sound and with blinking power led button? pls help... TIA...

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I don't know the particular beep error code on Compaq machines but, have you recently changed any hardware component?

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Unplug your power cord and pull out the battery. with the battery out hold down the power button for a full 60 seconds. then reinstall the battery and plug in power and try to restart your computer let me know what happens.

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Thanks... But it did not work...

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Retry Jimfixer's precedure but this time, afeter holding down the power button for 60 seconds, don't reinstall the battery. Just power the laptop from the power cord.

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Your clock might be faulty. or check the CMOS battery.

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there could be a number of reasons try doing a hard restart.

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