HP G72-657CL Notebook PC - Keyboard Malfunction

Hello. I need an assist please.
HP G72-657CL Notebook PC - Keyboard Malfunction
Windows 7
There are no error messages.
My bestfriend (who is the owner of this notebook) reinstalled Windows 7. I do not recall why. Then she loaned it to me while she is out of town. Windows 7 began its required updates and some where in that process the keyboard began to malfunction. By that I mean that the cursor will jump to another location in the field (area/paragraph) that I am typing in and the characters will appear there. Of course, I erase them and click the cursor back where it belongs and continue typing. It will function correctly until it does it again. Most times, it will go back to where ever it jumped before. Sometimes it will seem to leave the field (say I'm commenting on Facebook) and the characters don't appear at all. (It has jumped or relocated twice since I have been typing this. I have corrected what appears so that you can read it. Make that 3 times.)
[I installed and uninstalled Safari because I that that might be the problem. It wasn't. I let Internet Explorer update to the latest version. I installed Chrome. That is what I primarily use. I installed and uninstalled Bing.]
Following instructions, I have deleted the driver and restarted the computer in order to reload the driver to no avail. I ran the Microsoft Fix-it tool which worked for a brief time the first time. Subsequent attempts did nothing.
I went to the HP/Support page to get a new driver or the original driver for the keyboard. Following instructions, all I could find was a driver for the touchpad. So....that not being the problem, I did not download it.
I need to move forward and install MS Office and everything else (including anti-virus/malware software) that belongs on here, however I don't see the point in moving forward when typing is a problem. (Makes putting in passwords a real pain.)
I don't want to have to re-install Windows 7. (I don't think she left that disc with me anyway.) I don't know where to find the driver and I can't find any other solution or location for the correct original or up-to-date driver.
In case you are wondering, she left it with me because to use to get some work done. This is not happening very effectively as I am sure you can imagine.
Oh yeah, it works perfectly with an external USB keyboard. Also she is on the phone and says that she wiped it and reinstalled Win 7 to get rid of viruses and junk. Also found out it was a 64-bit that someone made into a 32-bit for her but everything was working just fine.
Thanking you in advance for your assistance.

Hi MovingForward,
Welcome to the HP Support Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I see you are having a problem where you cursor keeps jumping around when you are typing. The reason you can't find a keyboard is that there no keyboard driver to download it is a generic driver that comes as part of the Windows operating system. Uninstalling and starting the computer is the only way to reinstall the keyboard driver.
If the cursor is jumping around this is most likely going to an issue with your TouchPad not the keyboard. I had similar issues when I first started using a notebook because I kept accidentally touching the TouchPad and experienced the same frustrating issue with the cursor jumping. What I would recommend that you disable the TouchPad and plug in an external mouse and see if you are having the same jumping issue. You can disable the TouchPad but either double tapping in the upper left hand corner of the TouchPad and a light should come on. If your notebook doesn't have that feature then there is section on disabling the Touch Pad in his HP support document Using and Configuring the TouchPad. Please give that a try and let me know how it goes.
Thank you,
Please click “Accept as Solution ” if you feel my post solved your issue.
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Thank you,
BHK6
I work on behalf of HP

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