- You have a Windows 7 computer configured with a digital TV tuner.
- Windows Media Center is configured to use the digital TV tuner.
- You launch Media Center and then choose Live TV to watch TV.
- You change the channel.
Weak TV Signal
The TV tuner is unable to receive the signal for the channel you have selected. Adjustment to the signal may be necessary to receive this channel reliably. Please try to select this channel again. If the problem persists, contact your TV service provider.
This message is displayed even though the signal is not weak and there does not appear to be any noticeable dropped frames or loss in video quality.
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
To have us modify the registry for you, go to the "Fix it for me" section. If you prefer to modify the registry yourself, go to the "Let me fix it myself" section.
Fix it for me
To modify the registry automatically, click the Fix it button or link. Then click Run in the File Download dialog box, and follow the steps in the Fix it wizard.
- Exit Windows Media Center before you run this Fix it solution.
- This wizard may be in English only. However, the automatic fix also works for other language versions of Windows.
- If you are not on the computer that has the problem, save the Fix it solution to a flash drive or a CD and then run it on the computer that has the problem.
- After running the Fix it solution, if the PC is not restarted automatically, shut down Windows and restart the PC.
Then, go to the "Did this fix the problem?" section.
Let me fix it myselfTo resolve this issue yourself, use the following steps to modify the registry.
- Exit Windows Media Center.
- Click Start, type regedit in the Search box and press ENTER. If you are prompted with a User Account Control message, click Yes to continue.
- Locate and then select the following registry subkey:
- From the Registry Editor menu, click on Edit->New->Key. Change the name of the new key to BDA.
- Click on the newly created BDA key. From the Registry Editor menu, click on Edit->New->Key. Change the name of the new key to MSNP.
- Click on the newly created MSNP key. From the Registry Editor menu, click on Edit->New->DWORD (32-bit) Value. Change the name of the new value to WeakSignalDroppedThreshold.
- Right-click on WeakSignalDroppedThreshold and then click Modify. In the Value data box, type 32 and click on OK. (Leave the "Base" setting at the default, Hexadecimal.)
- On the Registry Editor menu, click on File and then Exit to exit Registry Editor.
- Shut down Windows and restart your PC.
Did this fix the problem?
- Check whether the problem is fixed. If the problem is fixed, you are finished with this section. If the problem is not fixed, you can contact support.
- We would appreciate your feedback. To provide feedback or to report any issues with this solution, please leave a comment on the "Fix it for me" blog or send us an email.
Article ID: 2708283 - Last Review: 8 Apr 2013 - Revision: 1