It's great to hear that you're enjoying the performance of Windows 7 on your aging computer. Let's address each of the issues you're facing:
### 1. Blurry Desktop Icons:
- The issue with fuzzy or blurry desktop icons could be related to the display settings.
- To improve the appearance of the desktop icons, you can try adjusting the ClearType settings in Windows.
- Go to Control Panel > Appearance and Personalization > Display.
- Click on "Adjust ClearType text" and follow the instructions to set up ClearType for your display.
### 2. Media Center Crashes:
- Blue screen crashes while playing movies in Windows Media Center might be due to various reasons such as software conflicts, driver issues, or hardware problems.
- To troubleshoot:
- Ensure your system and drivers are up to date, including graphics and sound drivers.
- Run a Windows Memory Diagnostic to check for any memory issues.
- Check the Event Viewer for any error messages related to the crashes for more specific details on what caused the blue screen.
- Consider updating or reinstalling your multimedia codecs.
### 3. Hauppauge PVR-150 and Set-Top Box Integration:
- To set up your Hauppauge PVR-150 with Windows Media Center and your set-top box:
- Go to Control Panel > Add Hardware and follow the prompts to add the PVR-150.
- Launch Windows Media Center and go to Settings > TV > Set Up TV Signal.
- Follow the on-screen instructions to set up your TV signal, including connecting the set-top box and configuring the channels.
- If you skipped the initial setup, you might find the setup wizard or options under Settings to configure the TV signal and devices.
- Ensure the Hauppauge drivers are installed correctly and are compatible with Windows 7.
Try these steps to address the issues you're facing with Windows 7 on your Compaq EVO D510. Let me know if you need further assistance with any of these steps!