Question about Compaq Presario 700 470024-192 Notebook

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Not turning on

I have this problem with a presario 700 laptop brought in by a client. Apparently this thing was working fine until he accidentally dropped it now it wont work. what happens is that it comes on but wont display anything. the problem cant be the lcd because I have tries to plug in another monitor to it still nothing I suspect that the problem might be with the processor because when I take out the processor it acts the exact same way as when the processor was plugged in. the battery though keeps flashing red (this I think means that it is charging but never gets full and the machine will not switch on if it is not connected to the power source. what can I do to check exactly what the problem might be. Thanks

regards
Casta.T

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The laptop component most likely to be damaged by a drop is the HDD. Unless the screen is hit by some object during the fall, it is way down the list of likely suspects.

The HDD has a maximum G-force shock rating, and it is rarely very high. If the laptop was running (or suspended/hibernating) when it was dropped, the odds the HDD is damaged DOUBLE.

The only laptop HDDs I have ever seen that can survive a drop while running are Samsungs, because most new ones have a sensor that detects zero gravity (whjat you get in a fall) and locks all moving parts before it hits. One 120gb Sam in a USB case that I have has been dropped several times, while running, and still has zero bad sectors!

Anyway, since HDDs are easy to remove, I would definitely suggest removing the HDD and trying a known good HDD before you proceed with any LCD suspicions. Even if the HDD is loaded already with somebody else's OS (rare that it will fully boot/reach desktop then) you will still get a screen and some indication that the OS is loading -until it encounters different drivers that cause a critical halt. So once you see that works, buy a new HDD and you are most likely going to be OK

Posted on Feb 11, 2008

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May be because of Loose end connections in the Ram Slots , try to de assemble each part and assemble again

Hope this would help

Posted on Feb 08, 2008

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Dropping a laptop, can cause quite a few serious issues. Sounds to me like the lcd is compromised, and will require a replacement. The uP swap will have little to do with it. The membrane board that supplies the LCD is fragile to the touch, so dropping the unit will make it quite suspect.

Got Backup?

Posted on Feb 07, 2008

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It may be the problem related to power supply.check the cmos battery also.

Posted on Feb 07, 2008

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