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Some users have complained that the standby, or more precisely, the activity detection of the MSI PR200 (also sold as MS-1221, Belinea .obook4 or Daru2) does not work in Windows 7, preventing the notebook to switch into standby-mode (and turning on the screensaver, etc.) by its own. Manually entering standby just works fine. Being a PR200-user myself  and not having this problem in Windows Vista, I was quite upset with that error in Windows 7. There are two possible workarounds though.

Workaround 1: Disable the Intel Graphics-Driver and enable the Standard-VGA driver

Easiest solution, if the Intel graphics driver is disabled via device manager and the Windows 7-builtin Standard-VGA driver selected instead, the activity detection works flawlessly. Disadvantage: No graphics acceleration anymore. Not really a beautiful solution, but it works.

Workaround 2: Deactivate the screen in the Device Manager

This solution sounds even more weird, but it works flawlessly (for me): Instead of disabling the Intel driver support, disable the screen in the device manager. This doesn’t actually turn the screen off, but the Standby mode functions again. Disadvantage: The brightness control of the screen does not work anymore, neither via software nor via the Fn-buttons. But for this, a solution exists as well: I’ve installed devcon.exe, a little command-line tool by Microsoft which allows me to enable or disable devices via batch-files. I created a shortcut to enable and disable my screen on my desktop on-the-fly, so I can let my screen driver be turned off most of the time and just enable it in case I want to change my level of brightness – which stays on the adjusted level, even when the screen is disabled again. The process works flawlessly and lets me change the level of brightness within seconds

To enable the screen driver I have created a batch with the following script (I am not sure if the device-ID at the end is universal or needs to be adopted for other configurations):

@echo off
pathtodevcon\devcon.exe enable MONITOR\SEC4241

To disable the screen driver again (and make automatic standby work):

@echo off
pathtodevcon\devcon.exe disable MONITOR\SEC4241

This solution is not perfect, but at least is works for me. Apart from that, the notebook just works fine with Windows 7 64bit (no problems with the webcam or cardreader or whatsoever). Good luck and have fun with your old notebook!