Question

Laptop works with power plugged in - hangs on battery power

HP 630 Core 2 Due laptop, 1 GB memory, Windows 7 OS. Almost 2 years old - narry a problem until now. Sequence of events:

With the wall socket not plugged, switching laptop on boots up to the point where Windows 7 logo shows and laptop hangs up. If connected to power, normal operation ensues. Have run troubleshooters, diagnostics, replaced memory, hard disk, battery - same result.

2. Will boot in safe mode on battery.

Please identify problem and recommend fix. Thanks

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Answer
If the OS has been reloaded.

This points to a board issue. I can't tell if the OS was loaded to the factory load.
Bob

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OS Status

One of the first steps taken was to reload Windows and in one of the subsequent steps the hard disk was replaced and OS loaded again at that time. Does it point to the power management function? I am really stumped.

Saeed

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Sorry that did not tell me that it was the factory issued OS

It does not point at power management directly if the factory load is used. Why? Because that load would have it right.
Bob

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No Bob - I installed Windows 7

The laptop (Model HP530) comes with DOS and I installed Windows 7 on buying it and it worked for 2 years before the problem arose. The battery had been replaced about 3 months prior.

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Then the news is grim.

If you installed it the same way as before them something has failed in the hardware. With laptops it's on one big board so the cost to fix is always hard to swallow.
Bob

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off with you head!

Oh well .. thanks Bob

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