There are a lot of people out there who are disappointed with their HP tx2000 laptops overheating. I am one of them. HP doesn't even have a recall for this machine. Moreover, Engadget says that this model of nVidia's graphics card may even explode or cause other problems. But I've found a temporary fix for the severe overheating. Maybe you have found it too.
Here are the specs to make things clear:
AMD TL-58 1.9 GHz dual-core CPU
nVidia GeForce 6150 Go GPU
2 GB RAM
Hitachi 150 GB hard drive
I have traced down the overheating problem to the defective video card. If you are using a different laptop with the same GPU, this should work for you too.
Here's the fix: Switch to Power Saver mode. Yes, it's that simple. Click the battery icon in the Taskbar and choose Power Saver. No matter what the settings are, this mode automatically causes less electricity to flow to all the parts, which amounts to less usage of the video card and also other parts. The overheating has significantly reduced for me. I don't even have to use my cooling pad. I am also being greener now.
You can also make the switch in the Power Options in the Control Panel if you don't have the battery icon, or through the Windows Mobility Center (shortcut: Windows key + X), which can be accessed also by pressing the 'cogwork' like button near the screen if you're using a tx2000 laptop.
If you are doing some high-end work, you will notice a reduction in performance, but then you can easily switch back to the Balanced or High Performance modes. This will cause the laptop to overheat though, so make sure you have it ventilated well.
So, stick with this setting change until a fix suddenly shows up.
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