Nikunjkacha
Sorry to be the bearer of bad news, but the problem you're up against is that Microsoft only supplies drivers with the most basic functionality, and what you really need for FULL functionality in laptops is the specialized drivers written for the specific hardware found in laptops -- and unfortunately, there are no HP Win10 drivers for your laptop.
However, for MS-supplied drivers that aren't working well, you could consider using HP Win8 drivers -- although there's no guarantee that those drivers will work. Here's the link to the HP Product drivers and software page for Win8 for your PC:
If that page does not show Win8x when you open it, then click CHANGE and select Windows 8x using the pulldown.
You might have to install the drivers using compatibility mode: http://www.windows10forums.com/articles/compatibility-mode.7/
Since the Win10 RollBack function is know to be unreliable, the safest thing to do prior to the Upgrade is performing an image backup using Macrium Reflect.
Macrium Reflect (MR) provides a FREE version that can be used to image and restore partitions or entire drives: http://www.macrium.com/reflectfree.aspx
What I recommend is the following:
1) Download and install Macrium Reflect (MR)
2) Run MR and choose the option: "Create an image of the partition(s) required to backup and restore Windows" to write a full backup to an external drive or USB stick
3) Use the option to create a boot USB stick or CD
My experience is that MR, when using the High Compression option, typically can compress the saved image file to about 50% of the USED space in the OS partition. This means if you have an 80GB OS partition, and 40GB is used, MR only needs about 20GB to store the image file.
I use this all the time and it typically takes less than 10 minutes to do the image backup and about the same time or less to do a restore.
NOW, you have the means to restore a full working system from the external drive or USB stick in only a few minutes.
Have fun experimenting with Win10!
Good Luck
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