HP Notebook PCs - Troubleshooting Battery Power in Windows XP

There are numerous reasons why your journal battery may not fill in true to form. Audit the rundown of indications and pursue the suggestions to investigate your battery. 

Symptoms and corrective actions

Snap-on the side effect recorded underneath that most intently looks like the issue with your PC to view prescribed techniques for remedying the issue. 
  • Short battery life 
  • Battery charge light not working accurately 
  • The power light remains on after shutdown 
  • A shrill commotion from the battery 
  • Note pad haphazardly switches among battery and AC control 
  • Vehicle control connector releases battery 

On the off chance that the issue with your PC isn't recorded, perform at least one of the accompanying general remedial techniques. 

Method 1: Check the strength of the battery 

In 2005, HP added Smart Battery backing to our note pad PCs. On an HP note pad PC, the wellbeing of the battery is available from a utility that HP gives in the HP Battery Health Center. This utility gives a straightforward, however precise status of Pass, Fail or Calibrate. Investigating directions are accessible at Checking the wellbeing of the battery. 

Method 2: Update the console battery controller 

Routinely check for refreshed renditions of the framework BIOS and console battery controller. To decide whether an update is accessible for your note pad PC, go to the Drivers and Downloads website. Enter the note pad model and the catchphrases Update BIOS. Adhere to the guidelines introduced for your particular note pad. 

Method 3: Test the AC control connector 

The AC connector must be associated with the PC and working appropriately for it to charge the battery. 
  1. Disengage the AC control connector rope, expel the battery, and hold the Power catch for 30 seconds. This will release the note pads framework capacitors. 
  2. Associate the AC connector to a working electrical plug or flood defender and interface it to the scratchpad. 
  3. Press the Power catch to turn on the note pad. 
  • In the event that the PC does begin and works ordinarily, reconnect the battery and play out extra techniques to determine the indications. 

Method 4: Measure the battery length in Safe Mode 

A few applications that work in Windows devour more battery control than others. In the event that your battery appears to lose control excessively quick, decide to what extent the battery holds a charge when working in Safe Mode and contrast that time with the typical span of the charge when working a Window's program. 
  1. Associate your AC control connector and totally charge the note pad battery. 
  2. Press the Power catch to restart the PC, and press the F8 key when the HP or Compaq logo shows up. Select Safe Mode from the Startup Menu by utilizing the bolt keys
  3. At the point when Safe Mode shows up, disengage the AC control connector from the note pad. 
  4. Measure the absolute time span the battery can control the PC in Safe Mode. 
  5. At the point when the PC quits working, revive the battery as appeared in stage 1, and restart in typical Windows to look at the battery length. 
In the event that the distinction in time is critical (30 minutes or more prominent), there might be superfluous battery utilization in Windows. An enormous contrast in release times could be brought about by the application right now being used, or by an unneeded application running out of sight. 

Method 5: Refresh the Windows control the executives 

Windows control the board controls the battery utilization for your scratchpad PC. Reinstall control the executives by following these means. 
  • Associate the AC control connector to the scratchpad at that point evacuate the battery. 
  • Press the Power catch to restart the PC, and press the F8 key when the HP or Compaq logo shows up. Select Safe Mode from the Startup Menu by utilizing the bolt keys. 
  • On the off chance that the PC has ACPI catches, click the, in addition, to sign beside System Devices. Expel the postings for ACPI Power Button and ACPI System Button. 
  • On the off chance that the PC has a posting for Advanced Power Management Support highlight, you should expel all postings for Advanced Power Management Support. 
  • During the restart, Windows will reinstall the required ACPI drivers. In the event that a brief for the Windows Operating System CD shows up, select Specify Location at that point type C: to enable Windows to find the fundamental drivers. 
  • After the gadgets are reinstalled, turn the note pad off and reinsert the battery. Test again to check whether the battery charges all the more effectively.
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