Thank you for using our answers forum! I am sorry to hear you are getting a blinking power light with your Slingbox SOLO. Is the Slingbox plugged directly into a wall outlet? If you are experiencing a power issue with your Slingbox SOLO you may be in need of a replacement part. If you are still experiencing this issue, you can contact our technical support by phone. Below is a link with information on how you can contact us.
Hope this helps!
The Sling Moderation Team