Updating nextar

This is the best explanation and workaround I've found: author provides an install program that will removes all of the incompatible drivers, makes a change so that Windows can never update the driver without your okay, and install the Version 3.3.2.102 compatible drivers that lets you use your older Prolific and yes, Asian knockoffs. Does it revert to the previous firmware version (see Whuppy question) or merely reset stuff like 'home/axis/mount/ GPS position'; and/ or default slew limits etc?

If you, like me are still using an old Prolific USB RS-232 serial adapter you may have run into the "No driver installed for this device" problem. Anybody actually know or is it simply a last resort when all else fails!

MCUpdate requires that you use "compatibility mode" on any version of Windows past 7, and can take quite some time (about 30 minutes on my CGE Pro). MCUpdate requires that you use "compatibility mode" on any version of Windows past 7, and can take quite some time (about 30 minutes on my CGE Pro). The Evolution firmware update process worked fast and smoothly in Windows 10. The cable is a Celestron RS232 serial hand controller cable, product #93920.

Crucial to this was possibly the Trendnet 'serial to usb adapter' cable and preinstalling its unique Windows driver. Celestron calls it something like a Nex Star RS232 cable (which isn't very descriptive). The cable is a Celestron RS232 serial hand controller cable, product #93920.

This is the best explanation and workaround I've found: author provides an install program that will removes all of the incompatible drivers, makes a change so that Windows can never update the driver without your okay, and install the Version 3.3.2.102 compatible drivers that lets you use your older Prolific and yes, Asian knockoffs. Whilst Celestron seems to have gone over to mini-USB for new models, existing owners are going to have to struggle with legacy RS232 cables for a while yet; and they might become ever more difficult to source (as they die out). I double checked the statements made my Noah with the Celestron engineer that wrote the starsense firmware and CFM as I didn't want to speak out until I was certain: The Star Sense camera cannot be updated if you don't also connect the PC USB to Star Sense Camera Mini USB as part of the firmware update configuration as provided in the Celestron photo provided with the update package.

Let's make this thread THE definitive knowledge base for this subject. How about successful firmware update experiences with CPC, AVX, or other mounts. The good news is that the Star Sense Camera firmware hasn't needed an update in some time so most everyone should already have the current version installed.

updating nextar-19

As firmware updates are desirable (mine were 18 months out of date on telescope purchase), why don't Celestron supply the correct cables?

I suspect that the Nexstar SE series still requires the older updaters; except for HC's (which concurs with #2). so it's not simply a cable as mentioned in other points. Connect an ‘RS232 to serial’ cable (mine was supplied with my Nexstar SE4) to the HC port at its bottom; then connect the Serial to USB adapter to that; then plug that into the USB port of the laptop; so the HC (only) is now connected to laptop. it's an adapter, it has active electronics in it ...

But maybe Celestron is at last getting a better act together with an improved CFM that will work with Windows 10 and mini USB to USB HC's that also work with a modern laptop. so it's not simply a cable as mentioned in other points.

Rant over, but this is a good addition to this knowledge base thread, Connectivity is indeed one of least well documented and frustrating areas of the various commercial mounts.

Plus everyone approaches it from various directions based upon their experiences.

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