Its report will contain NO personally-identifiable information, by design,ĮtreCheck is a tool wrote to help people on Apple Support Communities remotely debug problems with people’s computers.
#EXPERIENCING LAG PROPRESENTER 6 MAC DOWNLOAD#
That is why I suggest you download and run this non-invasive utility and Share and post its report to a reply on the forums for readers to analyze. The use of memory and CPU power can have a very large impact on the feeling of display quickness. Since both the CPU and the graphics processor use the same memory chips to run this display, there is a rather a lot of activity in fetching and storing data to the DIMMs that hold instructions and data for the CPU, AND the screen buffer for the Integrated GPU.
To refresh the screen, the entire screen buffer is typically accessed about 60 times a second, rasterized, and sent to the display.
#EXPERIENCING LAG PROPRESENTER 6 MAC MAC#
This produces Mac displays that "snap" into place, rather than having them be drawn and incrementally modified in front of your eyes. The Mac typically will "pre-draw" the next screen(s) needed into an additional, 'off-screen' section of display memory, and at the appropriate moment switch the location of the screen buffer to the pre-drawn area. This is far more RAM than is needed to hold ONE copy of the screen. MacOS will reserve a varying amount of main RAM for this purpose, up to 256MB. It does not contain a display buffer on the same die, but instead uses a section of main RAM. This is used to drive the internal display for most uses. The Intel CPU has an Intel graphics processor on the same die. The GT 330 is the GPU used when you attach an external display.Ģ56 MB of DDR3 SDRAM shared with main memory. Your Mac will switch back and forth between the Integrated Intel GPU (which uses less power) and GT 330 (which is more capable for advanced GPU processing and larger displays). The CPU can and will access it from time to time, but only briefly. The NVIDIA GeForce GT330 has 512MB of dedicated SDRAM set aside for use in storing the screen buffer and related drawing information. The system automatically switches between graphics systems based on use (when applications use OpenGL, Core Graphics or other graphically demanding technologies, the system will use the dedicated graphics card, otherwise it will use Intel HD Graphics to conserve battery life). *This system has dual graphics processors - a NVIDIA GeForce GT 330M with 512 MB of dedicated GDDR3 SDRAM and Intel HD Graphics with 256 MB of DDR3 SDRAM shared with main memory.
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