arkrishna

Have you checked for the RAM? This on/off cycle is usually caused by unsupported or malfunctioning RAM. All you need is to pull out the RAM and clean the connecter surface with a mild cloth and reinsert it. Also, don’t forget to check if the exhaust fan is functional and dust-free. Source: Laptop won’t turn on Troubleshoots

Since you have upgraded the OS and here I assume that you have done all the settings check on windows powers options(access by clicking on the battery icon on your laptop) to stay powered on as always on battery and ac power. As per for the driver, it is worth to give it a try, but still, go for it. Here I would recommend you to check if the BIOS fan( exhaust fan) on the laptop is working fine. have you tried to clean the vents for dust? As the overheated BIOS attempts the laptop to shut down to avoid major damages caused by overheating. As you have already used a different OS version to solve the problem, it seems to be the vent issues. Check for it.

Usually, all Android devices support play store but fo you are still not able to install or access the play store. You can use some alternative App market app or website to download apk on your Android. However, you can read the thread here: not able to install apps or use play store app

Head to the troubleshooting thread here: not able to install apps or use play store app

Play Store is the official and trusted source to download and install apps on Android devices. But, some glitch makes it impossible to access or install the app from the play store. Troubleshooting the error need to access the series of remedies. Here are the few: • Check Internet Connectivity • Check For Available Storage • Check The storage Permission for Play Store. • Check The Network Permission for Play Store. • Uninstall Play Store Updates • Download Playstore App Manually • Set Download Preference in Play Store • Clear Cache Memory * Sign out and Sign in from Other Gmail Account As there is no specific explanation to the error, and so there is not a single solution as well. In order to solve the download pending error on play store, you need to apply all these methods one by one and see which one worked for you. Do mention in the comment about the process you followed to solve the error. This will help others, Source: Play Store TroubelShoots

“Ultra Power Saving Mode” is a battery optimizing mode for android device to gibe your mobile some extra juice before it’s dead. The UPSM usually goes off once you connect the mobile to charging port. But still, you can goto to settigs>power>battery usages and disable the “Ultra Power Saving Mode” here.

Have you tried with another computer or device for the problem? As a corrupt driver(which is nearly impossible) can also cause your Keyword to malfunction. You can check it by connection to your Android phone via an OTG cable. If the problem persists you might need to clean the USB connecter on both the end, (male-female)

This might be a signal of some sort of hardware error. Have you ever tried booting the mobile in safe mode and perform the usual tasks that make your phone hotter(watch youtube in your case). Also, don’t forget to check if any app installed on your app is using your mobile/wifi data in the background. A weak signal can also cause your phone to drain your battery faster and generate heat as well.

A dead laptop is hard to diagnose but still, you can perform a series of test before you consider a service centre visit. (1) Check your Battery Health (2) Disconnect any External Devices Connected To Your Laptop (3) Remove and re-insert your Laptop RAM if your HP Laptop Won't Turn On. (4) Hard reset your laptop (5) Replace CMOS battery See more( What to do If your Laptop refuses to turn on)

Go to developer options and look for the “inverse colour” uncheck the checkbox.