HP Envy Screen flickering rapidly

[ojm2019]

Hi,

I've been using my HP laptop at school now for the past year and everything was going fine until recently. From about 2 weeks ago, my laptop has become completely unusable whilst outside the house. Whenever I turn it on, the screen violently flickers and becomes virtually impossible to use. However, whilst at home it works perfectly without any flickering at all. I've attempted to replicate the conditions at home however I'm unable to get the screen to flicker when not at school.

At school I have the following: 

- No WiFi connection

- It's not plugged into a charger

- No wireless usb for connecting a mouse

If I attempt to replicate these conditions at home, the screen remains normal. Whilst the screen is violently flickering, if I change my brightness to around 65%, the flickering will stop, aside form the occasional one every 10 seconds. If I then connect to WiFI (i.e. a mobile hotspot), the screen darkens, and if I'm able to find the brightness where it suddenly lights up, it flickers violently.

I've searched for updates and recently downloaded the latest version of Windows 10, but still no change. I've entered the BIOS start up screen and it still occurs. There's no external damage on the laptop at all, it's stored in a safe case at all times.

It appears to me that this issue only arises when at school however, it did once occur when I was at home and I believe it had just connected to WiFi. I have not tested this yet with an external monitor however, I feel if it's working fine when at home, then this is a system problem and not a screen problem.

If anyone could provide me any advice this would be greatly appreciated, I need this laptop for everyday working and currently it's virtually impossible to use.

Thank you.

[Echo_Lake]

@ojm2019

Thank you for posting on the HP Support Community.

Don't worry as I'll be glad to help,  I have a few troubleshooting steps we could try to fix the issue:  

Firstly, perform Hard Reset: Follow steps from the link: https://hp.care/2GnkMa8.

Next step, BIOS default: 

1. Turn off the computer and wait five seconds.
2. Press the Power button to start the computer and repeatedly press the F10 key to enter the BIOS setup menu.
3. On the BIOS Setup screen, press F9 to select and load the BIOS Setup Default settings.
4. Press F10 to Save and Exit.
5. Use the arrow keys to select Yes, then press Enter when asked Exit Saving Changes?
6. Follow the prompts to restart your computer. Contuine next step

let's update the latest system software and driver using Windows Update and HP Support Assistant:

To check for updates now, select the Start button, and then go to Settings  > Update & security  > Windows Update, and select Check for updates.

Install updates from HP Support Assistant: Go to Download HP Support Assistant to install the tool.

1. To open HP Support Assistant, double-click the HP Support Assistant icon .
2. Click My devices in the top menu, and then click Updates in the My PC or My notebook pane.
3. Click Check for updates and messages to scan for new updates.
4. Review the list of updates. Updates with a yellow information icon are recommended. Updates with a blue information icon are optional.
5. Click the update name for a description, version number, and file size.
6. Select the box next to any updates you want to install, and then click Download and install.

Next run BIOS Update: Follow steps from the link: https://support.hp.com/in-en/document/c00042629 
if the issue persists, try this link: https://support.hp.com/in-en/document/c03327635 By end the article you will be able to fix the issue.

Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.