USB to Serial Converter and Windows 8.1

[JRWASTRO]

Greetings All,

I have bought a lap top machine, running Windows 8.1,  to control my Skywatcher goto dob and upgrade the firmware in the hand controller.  This control and upgrade takes place via a serial connection brought about by a 

"Prolific USB to Serial Converter" . This converter works on my old XP machine but refuses to work on the W8.1 lap top. 

When I plug in the device it is recognised and a com port is assigned eg. COM4. But the device refuses to work even though I have installed the latest drivers, so the device manager says.

Please can any body offer a fix to this problem.

Many thanks in advance,

Jeremy.

[daz]

What version is your device?

The newer drivers are unlikely to work on older devices...

[JRWASTRO]

Greetings Daz and thank you for the reply.

My USB to Serial device is made by "Prolific" and has the part number U232-P9. It is a fairly elderly device and worked well on my old machine. I'm beginning to think that your last sentence may be true. I noticed a supplier here advertised a more modern product compared to the one I have. The specification says that it is compatible with Windows 8.1 . If I bought one and it did not work on my lap top I could return it !!

Jeremy.

[Tinker1947]

Try this driver download it worked on my Win 64bit PC although i did also buy a Maplins code ZP43W cable, you might not need the cable, then again you might.....

http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&pcid=41

[JRWASTRO]

Try this driver download it worked on my Win 64bit PC although i did also buy a Maplins code ZP43W cable, you might not need the cable, then again you might.....

http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&pcid=41

Thank you Tinker.

Yes, this driver worked after I re-booted the lap top. I'll now see how stable is every thing.

Kind Regards,

Jeremy.