You were working on your eMac and suddenly screen on eMac goes black. eMac is previous generation desktop computer usually used for educational purpose and still being used. It must have stored various books, journals and documents which are study related and also quite important. If the screen is black then the system might have been corrupted and you can not access any of your files in the eMac file. The main causes why screen on eMac goes black is that the hard drive of the system has crashed or corrupted and the Mac OS X is not working on it. You system may be virus infected and some malicious program is hampering the proper working of the system. If the problem is related with the hard drive then you can get it fixed and format it to remove any error. Now when you have solved screen on eMac goes black issue you can recover the lost data by using any backup source. If the backup is not found then you can use the Mac data recovery software which is compatible with all the version of Mac OS X. You can scan the eMac drive with the software and you will get the preview of all the files to select and restore.