What computer? and More?
Tell us a Story - with a beginning, a middle and end. We need to understand everything that you know and have experienced.
If this issue is new, tell us what immediately preceded its onset - add software, upgrade or update? New equipment?
Quoted from Apple's "How to write a good question"
To help other members answer your question, give as many details as you can.
- Include your product name and specs such as processor speed, memory, and storage capacity. Please do not include your Serial Number, IMEI, MEID, or other personal information.
- Provide the version numbers of your operating system and relevant applications, for example "iOS 6.0.3" or "iPhoto 9.1.2".
- Describe the problem, and include any details about what seems to cause it.
- List any troubleshooting steps you've already tried, or temporary fixes you've discovered.
For a detailed "coaching", please see the User Tip > "Help us to help you on these forums"<https://discussions.apple.com/docs/DOC-5431>
"Keep It Short and Simple" - Take your time... but be thorough - ÇÇÇ