Windows 7 "battery" problem

Ok i've had this problem for quiet some time now and done certain things that i hoped would work, first of a little about my problem.

I got a laptop (info about the laptop comes later) with windows 7 ultimate 32 bit, the last weeks i have gotten a message like this:
"plugged in not charging, concider replacing your battery" "there is a problem with your battery so your computer might shut down suddenly" , not suprisingly the laptop do turn off after battery been on 0% for some time , i can get my battery charged to around 40% after days of charging , the battery burns fast as soon as i turn the laptop on.

If i take out the battery and try to start up without battery and only charger in it comes blue lights from the keyboards and for like 1 second it seems like its gonna start but then it stops.

What i have alredy tried is:

-Once there, run the following command: powercfg -setdcvalueindex SCHEME_CURRENT SUB_BATTERY BATACTIONCRIT 0. This changes the current power scheme so that even when Windows 7 thinks the battery is almost out of power, it won’t shut down the PC.

-firstly close ur laptop.Then take out the battery at the bottom and put on youre charger.open youre laptop and then open youre user.then close the laptop and take out the charger.then put the battery back on and then put the charger on and it should work

-Also tried updates, virus scans , driver updates.

So im pretty much stuck at this so help would be appreciated, some basic information that might be useful about my laptop:

OS Name Microsoft Windows 7 Ultimate
Version 6.1.7600 Build 7600
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name CUTEBERAND---PC
System Manufacturer Hewlett-Packard
System Model HP PAVILION DV9000 (GP660EA#UUW)
System Type X86-based PC
Processor Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz, 2001 Mhz, 2 Core(s), 2 Logical Processor(s)
BIOS Version/Date Hewlett-Packard F.58, 16.06.2008
SMBIOS Version 2.4
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume2
Locale Norge
Hardware Abstraction Layer Version = "6.1.7600.16385"
User Name Cuteberand---PC\Cuteberand--
Time Zone W. Europe Daylight Time
Installed Physical Memory (RAM) 2,00 GB
Total Physical Memory 2,00 GB
Available Physical Memory 1,45 GB
Total Virtual Memory 4,00 GB
Available Virtual Memory 3,32 GB
Page File Space 2,00 GB
Page File C:\pagefile.sys

also a battery report....

Power Efficiency Diagnostics Report

Computer Name CUTEBERAND---PC
Scan Time 2007-04-25T22:18:37Z
Scan Duration 60 seconds
System Manufacturer Hewlett-Packard
System Product Name HP PAVILION DV9000 (GP660EA#UUW)
BIOS Date 06/16/2008
BIOS Version F.58
OS Build 7600
Platform Role PlatformRoleMobile
Plugged In true
Process Count 47
Thread Count 572
Report GUID {14f834c4-2a1a-4cb6-8681-403583b02940}
Analysis Results

Errors

Battery:Last Full Charge (%)
The battery stored less than 40% of the Designed Capacity the last time the battery was fully charged.
Battery ID Hewlett-PackardPrimary
Design Capacity 88800
Last Full Charge 25574
Last Full Charge (%) 28
Warnings

Power Policy:802.11 Radio Power Policy is Maximum Performance (Plugged In)
The current power policy for 802.11-compatible wireless network adapters is not configured to use low-power modes.
CPU Utilization:Processor utilization is moderate
The average processor utilization during the trace was moderate. The system will consume less power when the average processor utilization is very low. Review processor utilization for individual processes to determine which applications and services contribute the most to total processor utilization.
Average Utilization (%) 2.01
CPU Utilization:Individual process with significant processor utilization.
This process is responsible for a significant portion of the total processor utilization recorded during the trace.
Process Name System
PID 4
Average Utilization (%) 0.65
Module Average Module Utilization (%)
\SystemRoot\system32\ntkrnlpa.exe 0.35
\SystemRoot\system32\halmacpi.dll 0.16
\SystemRoot\system32\DRIVERS\nvlddmkm.sys 0.06
Information

Platform Timer Resolution:Platform Timer Resolution
The default platform timer resolution is 15.6ms (15625000ns) and should be used whenever the system is idle. If the timer resolution is increased, processor power management technologies may not be effective. The timer resolution may be increased due to multimedia playback or graphical animations.
Current Timer Resolution (100ns units) 156000
Power Policy:Active Power Plan
The current power plan in use
Plan Name OEM Power Saver
Plan GUID {a1841308-3541-4fab-bc81-f71556f20b4a}
Power Policy:Power Plan Personality (On Battery)
The personality of the current power plan when the system is on battery power.
Personality Power Saver
Power Policy:Video Quality (On Battery)
Enables Windows Media Player to optimize for quality or power savings when playing video.
Quality Mode Optimize for Power Savings
Power Policy:Power Plan Personality (Plugged In)
The personality of the current power plan when the system is plugged in.
Personality Power Saver
Power Policy:Video quality (Plugged In)
Enables Windows Media Player to optimize for quality or power savings when playing video.
Quality Mode Balance Video Quality and Power Savings
System Availability Requests:Analysis Success
Analysis was successful. No energy efficiency problems were found. No information was returned.
USB Suspend:Analysis Success
Analysis was successful. No energy efficiency problems were found. No information was returned.
Battery:Battery Information
Battery ID Hewlett-PackardPrimary
Manufacturer Hewlett-Packard
Serial Number
Chemistry LION
Long Term 1
Design Capacity 88800
Last Full Charge 25574
g
Platform Power Management Capabilities:Supported Sleep States
Sleep states allow the computer to enter low-power modes after a period of inactivity. The S3 sleep state is the default sleep state for Windows platforms. The S3 sleep state consumes only enough power to preserve memory contents and allow the computer to resume working quickly. Very few platforms support the S1 or S2 Sleep states.
S1 Sleep Supported false
S2 Sleep Supported false
S3 Sleep Supported true
S4 Sleep Supported true
Platform Power Management Capabilities:Adaptive Display Brightness is supported.
This computer enables Windows to automatically control the brightness of the integrated display.
Platform Power Management Capabilities:Processor Power Management Capabilities
Effective processor power management enables the computer to automatically balance performance and energy consumption.
Group 0
Index 0
Idle (C) State Count 3
Performance (P) State Count 5
Throttle (T) State Count 8
Platform Power Management Capabilities:Processor Power Management Capabilities
Effective processor power management enables the computer to automatically balance performance and energy consumption.
Group 0
Index 1
Idle (C) State Count 3
Performance (P) State Count 5
Throttle (T) State Count 8

all help will be highly appreciated thank you.