This device is not user upgradable. All work on the device must be performed by a certified technician, so as to not void the warranty. Yes, there is only one slot on this configuration. There is 4GB of RAM soldered to the motherboard and, in this configuration a 2GB stick on the open slot. The 2GB stick would have to be replaced. Is it worth it. We recommend you check with the Geek Squad at your local Best Buy for costs for this upgrade and weigh that cost against a marginal improvement in handling large files or working on multiple programs/windows at the same time.

You can adjust the sensitivity and the way the touchpad works within Windows 10. With regard to the touchpad, you can make adjustments to the touchpad in your system settings. You can get there by clicking on the magnifying glass at the bottom left of your Windows 10 screen. Type "touchpad" in the search window. Select "Mouse & touchpad settings" from the list of choices. You can make general adjustments to the touchpad there. You can also select "Additional mouse options" for more detailed adjustments to the touchpad sensitivity by increasing the delay of the touchpad. We would love to have your business, but before you spend money on a new computer, try adjusting the sensitivity of your HP touchpad, see if this solves the problem with your existing computer. If not, come see us.

There is not a slot on the motherboard for a GPU on this configuration. Graphics processing within this configuration is integrated within the Intel Pentium processor. The version is Intel HD Graphics 610.

Windows 10 Home 64-bit operating system, 30-day trial of Microsoft Office 365, 30-day trial of McAfee Anti-Virus software.