Question about HP Compaq nc6220 Notebook

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LCD black but status lights are all on

The lcd panel is black but the status lights are on, the laptop is not in suspend mode, it will just not boot. Think its either RAM or Mainboard.

Whats your advice.

Monty

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Mostly due to ram or system board as you suggested. In case your product is still under HP warranty, I will suggest you call them, They will fix it for no charge.In case you are out of warranty, contact them anyway since they fix out of warranty PCs in case the problem is due to a defect they know about.

Posted on Nov 05, 2008

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Suspend light


Is your laptops motherboard and vga chipset working? Please try to connect the laptop to another monitor if you are unable to get any image out it might be that the 2nd output is disable OR your motherboard or vga chipset has failed.

If the laptop works on another monitor, then there is still something wrong on the lcd.

But I think there is a more serious problem.

if you need more assitance let me know. good luck.

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Screen went black


When you close the lid, there is a small pin that engages the case and flips a switch to tell the laptop the case has been closed. The monitor will ALWAYS turn off then, because otherwise, the heat build up would burn the screen! Do not try to defeat this, replacing an LCD screen is usually more expensive than the value of the laptop!

Now, that all being said (and please remember), the situation you have now is (hopefully) just that the laptop tried/succeeded in going into ACPI "suspend" or "hibernate" mode.

1. Remove all cables and 10/100. Remove all USB devices. Just leave the PSU (AC power supply) connected.

2. Press the power button firmly, JUST once. Wait. And I mean WAIT, because some laptops can take 2 minutes or more to come out of suspend/hibernate, if they were very busy at the time it was shut down.

3. If the LCD screen lights up. you are done. But if it does not light up now, then proceed to step 4.

4. Press and HOLD the power button down for 10 seconds. This forces the laptop to shut down completely, even from suspend/hibernation. Some unsaved files may be lost, but tghe laptop goes cold, so you can start ACPI over again.

5. After a few minutes, press the power button again, firmly, just ONCE and for 1 second max. Laptop should start up OK.

6. Once it starts up, go to START MENU/SETTINGS/CONTROL PANEL/POWER SETTINGS and search for the "hibernation" tab. Turn hibernation OFF. your laptop obviously has some problems or lack of responsiveness with hibernation (most do). Use suspend, instead. It is much safer,. faster, and still does a good job of saving HDD and LCD wear. Please let me know how this goes for you, there are other more detailed problems that may be involved here, but I suspect this is most likely.

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