Question about Compaq Presario 700 470024-192 Notebook

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Prob. 1unit shuts off by itself/ prob 2.back is cracking again

Prob. 1. While using and in middle of work, the screen goes dead, both power lights go out. I hold power button down for 8 seconds and sometimes it comes back on. Some times when I try and power for the first time the power will not come on again I hold power button down for the 8sec if I am lucky it powers up.


prob.2. the back of the screen is cracking for the second time the warranty is no longer in affect . I think this must be a lemon B/C it is the second time this has happened do I have any recourse

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  • Lee Hodgson
    Lee Hodgson May 11, 2010

    do you mean the screen its self cracked or the plasics?

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I thing your lap top over heating.clean the cooling fan / heat sink and air outlet..it will work...

Posted on May 29, 2012

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IT SOUNDS TO ME LIKE THAT YOUR UNIT IS OVER HEATING WHICH IS VERY COMMON WITH CHEAPER LAP TOPS. YOU CAN GO GET A LAP COOLER FROM STAPLES OR A LOCAL ELECTRONIC STORE THEY ARE NOT VERY MUCH. DID YOU DROP IT?

Posted on Nov 24, 2008

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It sounds like your PSU (Power supply unit) has lost voltage. You will either need to replace the PSU, or the laptop itself.
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My HP laptop screen will not do anything. The first time this happened, I was in the middle of something and the screen suddenly became a bunch of black and white random-ness. I shut it down, and tried...


Perform the following:

1. Disconnect the AC Adapter.
2. Remove the Battery.
3. Hold the Power button down for 30 seconds to 1 minute.
4. Reconnect the AC adapter and do NOT connect the battery now.
5. Turn on the Notebook power.

If turned on, shut down the Notebook, insert the Battery and turn it on again. That's it.

Cause:
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Performing above procedure will not effect any personal data or delete any pictures from the hard drive on your notebook.

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VERY Dim screen after a drop


Have you tested it with an external monitor?

I would say you either have a damaged inverter board or screen baclight lamp. Usually the inverter board fails in one of the following ways:

1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
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3. The laptop screen works fine for hours or even days, but sometimes it goes very dark as it mentioned above. When you restart the laptop, the screen works fine again.

Inverter failure symptoms are very similar to backlight lamp failure symptoms and in most cases you cannot tell which one is causing the problem until you replace either the inverter board or the backlight lamp. From my personal experience, inverter boards fail more often than backlight lamps. If you have to guess, replace the inverter first.

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Your power management in Windows is corrupted. I would do a system restore to an earlier date.
1.
Click Start, point to All Programs, point to Accessories, point to System Tools, and then click System Restore.
2.
On the Welcome screen, click Restore my computer to an earlier time, and then click Next.
3.
On the Select a Restore Point page, select the date from the calendar that shows the point you'd like to restore to, as shown in Figure 2, and then click Next.
sysrest2.jpg
Figure 2
4.
On the Confirm Restore Point Selection page, verify that the correct restore point is chosen, and then close any open programs.
5.
Click Next if you are ready to proceed or click Back to change the restore point.
6.
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If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

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