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• black screen with all lights on
• I have the HP pavilion dv2000 too. I encountered the same problem. I did everything i though possible (reseated the battery, reseated the ram) and every time i hit the power button, i would get all the blue lights on but no screen. And it is non responsive. Fed up i held the power key down for no less than 2 minutes and ta-da the computer responds by turning off. After i pressed the power button again, it started normally.
• Remove the memory modules and resat them. If this doesn't work, try repeating the hard drive. If those actions don't do it, get back to me for some more ideas.
• HDD could have gone bad but let's not jump to that conclusion just yet. Try to remove the HDD and resat it. (You stated that you had done that once, but let's do it again, just to make sure) These laptops get moved around a lot and sometimes connectivity to a device gets fouled up. Often, simply repeating the failing device a couple of times will lead to resolution of the issue.
• I think it is either wrong hardware design or poor soldering of BGA chips.
  The CPU is getting only 0.7V. It is rated 1.1V, but these laptops to save battery may be designed to work with variable CPU voltage.
  Using variable CPU power is very critical and may cause the computer to not start at all. I even replaced CPU and it did not help.
  Only some heating BGA chips temporary restored boot, that's why I think maybe bad soldering. Not sure about this though, because the same time I have removed both memory modules, and tried to boot without them. Maybe this resets something.
  Low voltage design is very critical, requires perfect power supply, and is prone to noises.
• I to have a dv2000 exact model DV2104eu first of all it was my wireless card that stooped working then it would freeze and now its dead. But after having a look around there is a big problem with all that motherboards on the dv2000 series i rung HP and they are picking it up Monday for free repair they have extended the warranty by an extra 2 years because of this problem so any 1 with it just ring HP and tell them.

• i have a acer aspire 5570z I recently have a problem call Appcrash, I have try everything to get rid of it. Virus scan, pc doc etc. Cant seem to dump it. Help please
• Problem signature:
  Problem Event Name: APP CRASH
  Application Name: godfather.exe
  Application Version: 0.0.0.0
  Application Timestamps: 43f63da6
  Fault Module Name: ntdll.dll
  Fault Module Version: 6.0.6000.16386
  Fault Module Timestamps: 4549bdc9
  Exception Code: c0000005
  Exception Offset: 0002e48e
  OS Version: 6.0.6000.2.0.0.768.3
  Locale ID: 1033
  Additional Information 1: e51a
  Additional Information 2: 4c0d4d78887f76d971d5d00f1f20a433
  Additional Information 3: e51a
  Additional Information 4: 4c0d4d78887f76d971d5d00f1f20a433

• I noticed that my laptop power stayed at 6% even though I was on power for over two hours. I checked and noticed this...plugged in, not charging. Please help

• Reinstalling the power management software has just fixed it for me, i have a dv6552. Go to device manager and under batteries, unistall the Microsoft ACPI Compliant Control Method Battery. Go to Actions on the menu bar and select 'scan for hardware changes'. It will reinstall it and hopefully start charging immediately (mine did anyway).
• The correct solution is not buy an HP notebook computer. I have been traveling for work with a computer for almost 20 years now. I have carried a lot of different brands of computers. I have never had a battery last just 1 year UNTIL now. And to add to the insult this computer is one used almost exclusively by my wife who only takes it to her business and home, not in an airplane. So it has been well taken care of. I just called HP - no go on any help from them.
  
• My solution - no more HP computers for my family and I can no longer recommend their brand of laptop. This one will be replaced within the next 12 months.
• Two possible problems for this -
  DC JACK Issue
  1: one side of the DC ground is not connected to the rest of the system, so no circuit is complete to the charging section.
  CHARGING Circuit issue
  2: bad power controller chip (MAXIM IC) or zen er diode in that circuit, maybe bad
• Any one with a HP Pavilion 6000 series, who is having certain tech difficulties should go to HP page and search for extended service warranties to see if your system qualifies. I had an issue with my wireless driver and all I had do was to first turn your system completely OFF, then remove the battery, then remove the middle cover (underneath Lap Top) and then remove the wireless card. (You will see it connected to two small cables) remove the cables and the small screws and remove the card and then reinserted the card and close the cover -do remember where the two cables go- . Then turn on your system, -do not put the battery yet- and go to control panel/ device manager/ look for network adapter, and see if you see your lan card, once this is done reconnect your battery. If you don't then contact HP they will fix it for free, even if your warranty expire. They will even pick up your postage!.
• If your HP Pavilion dv6000 has a battery that won't charge yet still turns on when plugged in, turn off the laptop and remove the battery then wait for around 30 seconds, re-insert it and turn it back on, the charging update should say, plugged in, charging.
• The BIOS update sorta fixed the issue for me, which was annoying, the battery now charges but doesn't always report the charge correctly in MCE 2005 so I had to set it to shut down while it had a little more juice in it.
• Word of warning, avoid sending it to HP if you can, as once serviced the warranty resets in 90 days...basically HP is trying to patch its bad hardware which is prone to overheating with a BIOS fix to make the fans run constantly at a low level... instead of turning on and running noisy when the CPU is real hot.
• Ultimately the hardware is faulty, and most of these machines will probably have total failure in 2 years... if your running Vista and not MCE 2005 the failure rate will be higher as Vista is more graphics intensive.
• While the laptop is powered and in Windows XP, press and hold the POWER button until it dies. Then, remove the battery. Power it back up and enter Windows. Then, re-insert the battery.
• Basically, power down the laptop and then remove the AC adapter plug. Remove the battery, perhaps wait a minute. Then put the battery back in and then plug in the AC adapter plug. You then should see the charger light come on showing the battery is charging. Perhaps wait a few minutes before powering on the laptop to confirm that the battery is indeed charging. The problem seems to be in the logic (not sure where, if it is the software driver, etc.) when the laptop is on, it doesn't get a charge. But with the laptop off, plugging in a battery after it has been removed - it works with a simpler charger system that doesn't use the computers's main CPU.