ULINK: REINSTALLING USB DRIVER
Information in this article applies to:
Is there a way to re-install the USB driver of the Keil ULINK
Yes. Reinstalling the ULINK driver is described in ULINK: DRIVER PROBLEM
GIVES NO USB DEVICE FOUND. This process works in almost all
In some rare situations, the Windows Operating System creates OEM
files that cannot be removed automatically. To delete this file,
proceed as follows:
Uninstall the USB Driver: Keil ULINK
- Connect the Keil ULINK Adapter to your PC.
Right-click on My Computer and open the
Click on Device Manager and select Universal
Serial Bus - Keil ULINK.
- Right-Click on Keil ULINK and select Uninstall
Delete all *.INF files containing
Use Start - Search - For Files or Folders. Specify
*.INF as file name, USB\VID_C251&PID_2710 as
search text, the base folder of your operating system as search
location (typically this is c:\WINNT\ for Windows
2000/XP computers or c:\WINDOWS\ for Windows 98/ME
Start Search. This should bring up a list of INF files
(like KeilUL.INF and OEM14.INF). Delete these files.
Delete all KeilUL.SYS and KeilUL0.SYS Files
Delete the files KeilUL.SYS and KeilUL0.SYS
that are in the drivers folder of your computer. For Windows
2000/XP the files are typically in
c:\WINNT\System32\Drivers. For Windows 98/ME the files
are typically in c:\WINNT\System32\Drivers.
Search the trouble shooting section of the Windows operating
system under Start - Help
The following Discussion Forum threads may
provide information related to this topic.
Last Reviewed: Sunday, January 28, 2007