Gadget Trend News today about Apple’s analysis of the problems that occur on the iMac. Based users iMac  reports of interference problems such as the iMac screen cracked and flashing display, and the screen seemed to have a yellow color.To solve the problem of the iMac, Apple has released two software updates that say they have solved the problem by the screen.Some of the improvements made to the Apple iMac is:
1. TS3207 update, firmware update screen “issues that can cause intermittent flashing”.
2.Update DL984, update the firmware on the graphics ATI Radeon HD 4670 and 4850 graphics cards.
For iMac users are having problems then Apple offers a 15 percent cash refund to customers iMac.