1st it must show in my computer,if it doesnt,go to run,type:diskmgmt.msc
In msc,L.click on it,go to actions,all,locate "make active",close out msc.
To chk it,go to run,type:cmd In cmd type:CHKDSK E: /f E: being the thumb-
drive,for read only,type:CHKDSK E:

"Ritter 197" wrote:

How can I run a CHKDSK on a removable 8 GB drive?

Chkdsk /f always bring up the C: drive and I cannot change it once it
starts.