Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Intel/NVIDIA Settlement Could Improve MacBook Air Processor and MacBook Speeds
NVIDIA and Intel are talking towards settling their legal disputes. These issues had begun last year, and resulted in NVIDIA leaving the chipset industry until the dispute was resolved.
The settlement details were not disclosed, but the decision can certainly be great news for Apple.
Because Apple uses NVIDIA’s chipset to give power to MacBook Pro and Macbook since 2008, this decision affected their company. The dispute over licensing stopped NVIDIA from providing new chipsets from Nehalem processors of Intel. This restriction affected the decision of Apple about not to use Arrandale/Nehalem chips for the manufacture of 13″; MacBooks and MacBook Airs.
The licensing dispute has made Apple use Core 2 Duo processors that are based on old architecture. Though the final output is good, but core 2 Duo is still old technology for a corporation that is famous for launching newer and better products- at a high price.
Apple had a choice between fast integrated graphics and fast processors, and it opted for fast video performance.
If NVIDIA and Intel do come to common terms, and NVIDIA provides latest chipsets, then Apple might offer latest NVIDIA graphics and Intel CPUS for all their machines.
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