Check that it hasn't been turned off for that USB device
http://windowshelp.microsoft.com/Win...9460d1033.mspx
Regards
Mark Dormer
"JB" <> wrote in message
news:...
> Hi,
>
> I got a new HP laptop with Vista pre-loaded and 1GB RAM. I installed a
> Readyboost-certified Sandisk 2GB flash drive and the popup offered to
> speed up the system with Readyboost. Most of the time I did not use it
> because it required re-inserting the drive to get the option.
>
> Two weeks have passed and lots of updates to the OS and other programs
> have taken place. The popup no longer offers Readboost. I tried another
> new identical flash drive with the same result. Installing to another
> usb port does not fix the problem.
>
> Vista runs fast and with no problems.
>
> How the heck can I get Readyboost running again?
>
> Thanks,
>
> Mike
>