power supply of the laptop is the origin for slow performance

[AK110]

The laptop is very slow, expecially the internet connection. If I pull out the power supply, which is besides of the LAN-connection the laptop works with normal speed. Inserting the power plug again, slows down the computer immediately. Internet connection speed goes down by factor 30. How can I fix this problem?

[Riddle_Decipher]

@AK110 Right-click your desktop background and select NVIDIA Control Panel. You can also find this tool by performing a Start menu (or Start screen) search for NVIDIA Control Panel or by right-clicking the NVIDIA icon in your system tray and selecting Open NVIDIA Control Panel.

To quickly set a system-wide preference, you could use the Adjust image settings with the preview option. For example, if you have old hardware that struggles to play the games you want to play, you may want to select “Use my preference emphasizing” and move the slider all the way to “Performance.” This trades graphics quality for an increased frame rate.

By default, the “Use the advanced 3D image settings” option is selected. You can select Manage 3D settings and change advanced settings for all programs on your computer or just for specific games. NVIDIA keeps a database of the optimal settings for various games, but you’re free to tweak individual settings here. Just mouse-over an option for an explanation of what it does.

If you have a laptop with NVIDIA Optimus technology — that is, both NVIDIA and Intel graphics — this is the same place you can choose which applications will use the NVIDIA hardware and which will use the Intel hardware.

For more assistance, please check a similar HP Forums post (Resolved): Click here  

(Though the header is different the steps will help get you a fix).

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[AK110]

Thanks Riddle_Decipher for your answer and your assistance. I have installed the NVIDIA Control Panel, download the newest drivers for the available GEFORCE GTX and have done the settings regarding your recommodations. 

But it doesn`t help. The problem is still the. Plugging in the power supply slows down the computer in a dramatical way; for example "loading a test page from the internet slows down from 4 seconds to 40 seconds!!!".

Have you or anybody else another idea??

[Riddle_Decipher · Accepted solution]

@AK110 You may want to check the link at the bottom of my last response, if you've already done that and yet, the issue persists, I suggest you run an extensive hardware test on your device:

Install the latest version of the HP Hardware diagnostics (UEFI) on your device using this link: Click here for details

• Hold the power button for at least five seconds to turn off the computer.
• Turn on the computer and immediately press Esc repeatedly, about once every second. When the menu appears, press the F2 key.
• On the HP PC Hardware Diagnostics (UEFI) main menu, click System Tests.
• Click Extensive Test.
• Click Run once, or Loop until error.
• While the test is running, the time remaining and test result for each component display on the screen.

If a component fails a test, write down the failure ID (24-digit code) for when you respond back to us.

If you wish to thank me for my efforts, you could click on "Accept as solution" on my post as the solution should help others too.