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Windows Forum / Windows XP / Performance and Maintainance / April 2007USB drive woes
I have a laptop that had a 20G HD. I hooked up a USB 60G drive and cloned the 20G to it. Took the 20G out, put the 60G in. Booted fine, everything looks OK. Then I wanted to clean off the 20G to use as a backup. The laptop won't recognize it. In device manager it shows up as an Unknown Device under Universal Serial Bus controllers. I figured it was not being seen because it had a system on it, so I plugged it into my desktop, Win recognized it, and I formatted it. Back to the laptop, still shows as Unknown device. When it's hooked up to the desktop the driver is listed as USBSTOR.SYS. The laptop won't let me use that as a driver, nor does it want anything to do with USB.inf or USBSTOR.inf. Both machines are running XP Pro SP2 with all the automagic updates. I've spent pretty much all day Googling with no good results. Any thoughts? Mike > I have a laptop that had a 20G HD. I hooked up a USB 60G drive and > cloned the 20G to it. Took the 20G out, put the 60G in. Booted fine, [quoted text clipped - 15 lines] > > Any thoughts? What make/model of drive it it? Are you sure the USBSTOR.SYS driver refers to the drive? Unless it's a USB drive, that shouldn't be a factor. When you put it in the desktop, how are you attaching it? Is it the second drive on an existing IDE connector? Does it show in the BIOS when you boot? Offhand, I'd say you have a jumper issue. If two drives are on the same IDE connector, they must be jumpered as Master and Slave, or both must be set to Cable Select. If they are jumpered wrong, one simply won't be seen. See the manufacturer's documentation for how the jumpering is handled. Each drive seems to do it differently. > Mike ______ Dennis >> I have a laptop that had a 20G HD. I hooked up a USB 60G drive and >> cloned the 20G to it. Took the 20G out, put the 60G in. Booted fine, [quoted text clipped - 15 lines] >> >> Any thoughts? Hi Dennis > What make/model of drive it it? Are you sure the USBSTOR.SYS driver > refers to the drive? Unless it's a USB drive, that shouldn't be a factor. Yep, it's a Toshiba MK2018GAP that I put into a USB case. > When you put it in the desktop, how are you attaching it? Is it the > second drive on an existing IDE connector? Does it show in the BIOS > when you boot? Via a USB cable. Is shows up in device manager as a USB mass storage device. > Offhand, I'd say you have a jumper issue. If two drives are on the same > IDE connector, they must be jumpered as Master and Slave, or both must > be set to Cable Select. If they are jumpered wrong, one simply won't be > seen. It's not on an IDE bus. I did however try jumpering it as a slave, which made the LED on the drive case blink red and green. (Festive but still no joy.) > Hi Dennis >> What make/model of drive it it? Are you sure the USBSTOR.SYS driver >> refers to the drive? Unless it's a USB drive, that shouldn't be a >> factor. > Yep, it's a Toshiba MK2018GAP that I put into a USB case. So it *is* a USB drive. Sorry, that wasn't clear. >> When you put it in the desktop, how are you attaching it? Is it the >> second drive on an existing IDE connector? Does it show in the BIOS >> when you boot? > > Via a USB cable. Is shows up in device manager as a USB mass storage > device. Okay. That's what I would expect. >> Offhand, I'd say you have a jumper issue. If two drives are on the same >> IDE connector, they must be jumpered as Master and Slave, or both must [quoted text clipped - 4 lines] > made the LED on the drive case blink red and green. (Festive but still > no joy.) If you go to Control Panel, open Administrative Tools, select Computer Management, and then Disk Management, does it show up in the Logical Disk Management display? It sounds like one of two things are occurring: 1) Windows needs a driver for the device. Systems often some with drivers as part of the OEM installation from the factory that aren't part of the normal OS distribution. I'd look on the laptop manufacturer's site (Toshiba?) and see what they might have. I think lack of a proper driver is most likely. 2) If you *do* see the device in Logical Disk Manager above, but not in My Computer, it probably means there isn't a partition on the drive Windows can see. You should be able to create a partition in Disk Manager, have the drive show in My Computer, and format it there. ______ Dennis > > Hi Dennis >>> What make/model of drive it it? Are you sure the USBSTOR.SYS driver [quoted text clipped - 23 lines] > Management, and then Disk Management, does it show up in the Logical > Disk Management display? No > It sounds like one of two things are occurring: > [quoted text clipped - 8 lines] > Windows can see. You should be able to create a partition in Disk > Manager, have the drive show in My Computer, and format it there. If I look at the driver when it's attached to the desktop it shows as USBSTOR.sys, which is a MS supplied file. usbstor.sys (same version) is also on the laptop. However, the laptop will not let me install that as a driver. The install driver dialog really wants a .inf file. When I look at the Unknown Device properties, it tells me no driver is needed, or installed. >> 1) Windows needs a driver for the device. Systems often some with >> drivers as part of the OEM installation from the factory that aren't [quoted text clipped - 8 lines] > look at the Unknown Device properties, it tells me no driver is needed, > or installed. I was thinking that it needed a specific driver for that device, and not the generic USBSTOR.SYS driver. I poked around on Toshiba's site and haven't seen one thus far. The desktop sees and can access it, and the laptop sees it but ca't access it? What USB port are you plugging it into? Are you trying to use a hub, or plugging directly into a motherboard port? ______ Dennis > I was thinking that it needed a specific driver for that device, and not > the generic USBSTOR.SYS driver. I poked around on Toshiba's site and > haven't seen one thus far. > > The desktop sees and can access it, and the laptop sees it but ca't > access it? Depends on what you mean by "sees it". The laptop shows it only in device manager, not in the disk management console or windows exploder. > What USB port are you plugging it into? Are you trying to use a hub, or > plugging directly into a motherboard port? Straight into the mothership. Mike |
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