How to install touchpad driver for HP laptops to enable finger swipe gestures and bitlocker recovery

If your HP laptop has a precision touchpad functionality but the finger swipe gestures such as 2 finger scroll up down or th 3 finger app switching are not working, follow the below steps:

1. Visit the below HP official website and select the appropriate laptop model

https://support.hp.com/in-en/drivers/selfservice/hp-elitebook-840-g5-notebook-pc/8491271 

2. Navigate to the above driver selection at Driver-Keyboard, Mouse and Input Devices & hit the download button for the Synaptics Touch fingerprint driver. Install the driver and restart your laptop.

3. In case your Windows Operating system disk drives are bitlocker encrypted, you will reach the bitlocker recovery screen since the driver configuration of your system has changed. DO NOT PANIC !! Visit the custom URL seen on your laptop screen to access the recovery key for your laptop in the Microsoft site custom URL. Enter the recovery key and you should be able to successfully log in to your Windows desktop console.

Notice that the finger swipe gestures are now functional.

4. Configure the Precision Touchpad as per your preference here:

More details about bitlocker recovery  

https://docs.microsoft.com/en-us/windows/security/information-protection/bitlocker/bitlocker-recovery-guide-plan 

Some useful terminologies related to rendering on the web

 Rendering

• SSR: Server-Side Rendering - rendering a client-side or universal app to HTML on the server.
• CSR: Client-Side Rendering - rendering an app in a browser, generally using the DOM.
• Rehydration: “booting up” JavaScript views on the client such that they reuse the server-rendered HTML’s DOM tree and data.
• Prerendering: running a client-side application at build time to capture its initial state as static HTML.

Performance

• TTFB: Time to First Byte - seen as the time between clicking a link and the first bit of content coming in.
• FP: First Paint - the first time any pixel gets becomes visible to the user.
• FCP: First Contentful Paint - the time when requested content (article body, etc) becomes visible.
• TTI: Time To Interactive - the time at which a page becomes interactive (events wired up, etc).

Reference: developers.google.com

How to change the default pdf viewer application in your Mac or MacBook

 To set a PDF viewer as the default on Mac OS X:

1. Select any PDF file from Finder. Control-click to open the menu. ... 
2. Choose Get Info from the menu that opens. ... 
3. From the Open with: section in the new window that opens, select your preferred application, such as Adobe Reader or Preview. ... 
4. Click the Change All button.