Dear Customer, Welcome and Thank You for posting your query on HP Support Forum It looks like your Notebook is not charging the Battery, We will surely assist you with this issue Please perform below shown steps to resolve the issue: Step 01. Click on the Start Button Step 02. Type 'Device Manager' in the start search box & open the Device Manager Step 03. Manual De Caldera Junkers Eurosmart. Look for Batteries and expand it by click on the + symbol on the left Step 04.

Download the latest software & drivers for your Compaq Presario CQ61-100 Notebook PC series. Download the latest software & drivers for your Compaq Presario CQ61-312TU Notebook PC.

Right Click on 'Microsoft ACPI Compliant Control Method Battery' & uninstall Note: This Battery driver will get re-installed automatically when you restart the Notebook again Step 05. Please Shutdown the Notebook Step 06.

Please remove the Battery and unplug the Power Adapter Step 07. Press and Hold the Power Button for full 1 Minute Step 08. Go ahead and put back the Battery and connect the Power Adapter Step 09. Look for 'Plugged In Charging' message on the Battery icon After performing all the steps if you are facing the same issue still, please perform three more steps: 1. Run a Battery Check in HP Support Assistant[Install the Software if it's not available] Note: Replace the Battery If Health Check Status shows Replace 2.

Update the latest BIOS for your Notebook from HP Support Site 3. Please check your Notebook with a known good Power Adapter & Battery from a different Notebook Note: If a known good battery is also not charging we need to replace the system board How to improve the life of a Battery: 1. It is not advisable to use the Notebook when the Power Adapter is connected 2. Install Drain Tile Around Basement Software.

It is not advisable to keep the Power Adapter plugged in even after the Battery is fully charged 3. You need to let the battery drain completely before charging again 4.

Power Plan should be set correctly for extended battery life 5. Please keep the Screen Brightness at lower level 6. Www Naeghty America Com. Please turn OFF Wi-Fi Connection when not in use 7.

Please remove the CD/DVD's from the Optical Drive when not in use Testing and Calibrating the Battery (Windows 8) Testing and Calibrating the Battery (Windows 7) Calibrating the Notebook Battery (Windows Vista) Hope this helps, for any further queries reply to the post and feel free to join us again **Click the KUDOS star on left to say Thanks** Make it easier for other people to find solutions by marking a Reply ' Accept as Solution' if it solves your problem. Thank You, K N R K I work on behalf of HP. I understand its a brand new battery, however for some reason it has failed and needs a replacement for it. Unfortunately even I am left with no other options. Hence requesting you to replace the faulty battery. Hope this helps, for any further queries reply to the post and feel free to join us again **Click the KUDOS star on left to say Thanks** Make it easier for other people to find solutions by marking a Reply ' Accept as Solution' if it solves your problem. Thank You, K N R K I work on behalf of HP.