HP EliteBook 820 G3 Troubleshooting

The device will not turn on even after charging.

If the device will not power on even while connected to the power adapter, then the battery may be faulty and will need to be replaced.

First, remove the rubber screw covers from underneath the laptop and unscrew the. Remove the plastic bit in the SD card slot and unscrew the small screw present. After this, you can lift off the plastic casing, revealing the laptop’s components. Remove the screw that holds down the battery.

If the laptop is a refurbished unit, then the battery may be from a third party. These batteries have the potential for very short life spans.

The device will not connect to the Internet.

Sometimes a device needs to be reconnected to the Wi-Fi. Press the wireless signal button and hold it for 10 seconds to make sure it turns on. The LED lights will turn on or a notification will pop up. If it turns on, connect to the internet. If not then press the button again to try to connect.

The wireless drivers may not be up-to-date or have become corrupted. The drivers can be reinstalled by going into Windows and opening Device Manager. Then double-click Network adapters. Find your device and select uninstall device. On the uninstall screen, select delete the driver software for this device. Back in the Device manager window, select Action and then Scan for hardware changes. Once the proper adapter name is displayed, close everything and restart.

When little pixels are on the screen and won’t go away.

If pixels are stuck then rub around the pixel in a circular motion with a soft material. This can lighten up the dead pixel and once it is found hold your finger there for a few minutes.

The screen will not display anything.

For black screen make sure the device is turned on (Led lights on). Try to wake up the display by using Windows key+Ctrl+Shift+B. Connect an external monitor to test the display. If the screen is able to display on another monitor, you will have to replace the screen on the laptop.

The device runs /performs slower than usual.

The hard drive in your device may have an error. You may reformat or replace your hard drive.

Sluggish performance may be caused by viruses attacks i.e trojan viruses which may be contracted from downloading unofficial games, and applications, accessing unreliable file sharing sites and bootlegged movies. To prevent virus infections, use trusted antivirus products, avoid clicking pop-up advertisements, scan email attachments, and avoid downloading files off sketchy websites. Purchase and download this antivirus and run it to fix the problem.

Having too many applications/website tabs open. To fix this, close tabs that you are not working with.

• Having insufficient storage causes the device to run slow or crash. Delete unused applications or purchase more storage for the device.
• Upgrading the RAM may also be a solution. Follow this guide to upgrade or replace your RAM.

The device fan spins loudly for long periods of time.

This issue may be due to dust accumulation, cleaning will need to be done to fix this issue.

• To begin the process of cleaning the dust out of the computer, you must first ensure that the laptop is turned off entirely and if there are any cables plugged into the device, unplug those as well. There should be no electricity running through the computer. From there, turn the computer onto its bottom and begin unscrewing it to display the battery. Remove the battery and find the air vents, they should be on the outer edge. Unscrew the panel, open it up and the fan can now be seen underneath. You can now begin the process of cleaning out the dust from the fan.
• You can also watch this youtube video for detailed step-by-step instructions.