Do a factory reset. Follow the instructions on page 79 of your user manual EXACTLY.
Download manual if you don't have one:
http://www.arrangerworkstation.com/manuals/psrs700_en.pdf
Hello Oker.... Here is a link that you will find valuable http://www.yamaha.co.jp/manual/english/result.php
This will give you the manual for your Yamaha.
Here is an excellent link to PSR tutorials
http://psrtutorial.com/
And here is another necessary link
http://www.bing.com/search?q=Yamaha+Psr+S900&FORM=QSRE5
And here is a link to a free driver [the installer media refered to in the stated problem]
http://diplo-driver.com/download-driver/YAMAHA/PSR-S900-S700
You will have to use a laptop or a desktop computer to download the driver and send it to the keyboard through a USB cord. Joe
Thanks for choosing Fixya!
Somehow you got into a service startup mode. Try replacing the firmware with the latest version (1.23) - that may be what the keyboard is looking for. You can download it at the Yamaha support firmware page, along with installation instructions. You will need a USB flash memory device to do it.
Other downloads for your keyboard are found on a tab at the general support page for this model.
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PLS I WANT ANOTHER EXPERT OR jay767
I have gone through all the sites. In the last site, I saw many drivers there, please could you name the exact drive that is for PSR S900. I need a definite step by step guidance as not to course more damage.
Among all the yamaha drives displayed in WareSeeker.com which one is exactly the installer media for PSR S900.? Becuase All I see there is midi drivers. They did not describe anyone as PSR S900 Installer Media which is demanded on the screen display each time I switch on the keyboard.
Thanks,
Isaac.
Please, my keyboard problem is not yet solved. All the the things your experts asked me to download are not working out. I will prefer that your experts send me the installer media as a file to my e-mail box and write a step by step procedure on how to format and reload my Yamaha PSR900.
Help me please.
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