Does that machine boot okay when a USB key is plugged in?
YES, and USB is perfectly & immediatly recognised
What drivers does Vista install?
I think it's disk.sys ; usbstrore.inf ; parmgr.sys (i've not checked)
Any interesting messages in
C:\windows\inf\setupapi.app.log or setupapi.dev.log?
Here somme examples
1)
dvi: Enumerating INFs from path list 'C:\Windows\INF'
!!! inf: Error searching published INFs - likely system corruption!
dvi: Created Driver Node:
dvi: HardwareID - USB\Class_08&SubClass_06&Prot_50
dvi: InfName - C:\Windows\INF\usbstor.inf
2)
!!! sto: Inf file does not contain CatalogFile directive for
the specified processor architecture. Inf = e:\windows\inf\usbstor.inf
inf: Opened INF: 'e:\windows\inf\usbstor.inf' ([strings] <src
= normal>)
inf: Opened INF: 'e:\windows\inf\LAYOUT.INF' ([strings] <src
= normal>)
!!! sto: The driver package has a reference to a missing
file. File Name = qv2kux.sys, Error = 80070002
!!! sto: GetCopyFilesListFromInf() failed. Error = 80070002,
Inf = e:\windows\inf\usbstor.inf
!!! sto: Failed to copy the Driver Package to C:\Users\Thibaut &
Trinidad\{664648da-1798-4a1f-abbc-9150aed25765}. Error = 80070002
!!! sto: Failed to copy driver package from source into temporary
client location. Error = 80070002, SrcInf = e:\windows\inf\usbstor.inf,
DestPath = C:\Users\Thibaut &
Trinidad\{664648da-1798-4a1f-abbc-9150aed25765}
sto: {Staging Package To Driver Store - phase 1 exit(80070002)}
! inf: Add to Driver Store unsuccessful
!!! inf: returning failure to SetupCopyOEMInf
inf: {SetupCopyOEMInf exit (0x00000002)} 22:14:45.952
!!! ndv: Driver Package import failed for new device...installing NULL
driver.
Yes, my USB stick appears as a removable drive also, and I have no
problems with drivers. You see that on the machine *with* problems, is
that correct?
Yes, on both machine my 3 differents USB keys (one is mini hard disk)
appears in explorer with the same icon image.
But, but, the difference btw my to 2 PC is not on the explorer, is not in
the device manager neither.
The difference i see is when i open the "computer manager", in the part
where you can manage your disk i have an item which is not on the PC which
is working fine
In the bad PC i have (in french)
1) Stockage/Stockage amovible translation (approx) ->
storage/removable storage
2) Stockage/gestion de disque translation (approx) -> disk/disk
management (where you can see the partition etc, change the drive letter
.....etc)
In the good Pc i've only
2) Stockage/gestion de disque translation (approx) -> disk/disk
management
So for me that's a strange difference
Hope this help.