Added 64 bit OS driver installation instructions to the readme for all CDC based...

[pub/USBasp.git] / Demos / Device / LowLevel / CDC / CDC.txt

diff --git a/Demos/Device/LowLevel/CDC/CDC.txt b/Demos/Device/LowLevel/CDC/CDC.txt
index 397ed36..ec3b756 100644 (file)
--- a/Demos/Device/LowLevel/CDC/CDC.txt
+++ b/Demos/Device/LowLevel/CDC/CDC.txt
@@ -63,6 +63,13 @@
  *  Operating Systems should automatically use their own inbuilt\r
  *  CDC-ACM drivers.\r
  *\r
+ *  On 64 bit versions of Windows, the OS requires all drivers to\r
+ *  be digitally signed before it will allow them to be installed. As\r
+ *  Windows' own CDC driver (which the supplied INF file references)\r
+ *  is not signed, you will need to reboot, press F8 before Windows\r
+ *  begins to load and select "Disable Driver Signature Enforcement"\r
+ *  to allow the CDC driver to install.\r
+ *\r
  *  \section SSec_Options Project Options\r
  *\r
  *  The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.\r