The dell disk worked in the sense that it ran - it did its diagnostics and verified that the hardware was copaceptic - but it did not fix the problem. Once windows loads, it will load its own drivers and if they are corrupted, they won't work even with the new hardware. If you installed another usb card and it still doesn't work even in BIOS, I would think you've got more serious problems - probably motherboard related. and if you used the dell disk did that work? I even installed another usb card and still nothing happens. Good luck, and remember - Computers are here to help us. Hope the novel doesn't exceed TechSpot's bandwidth. I can't remember which ones were corrupted, but I think they were usbport.sys, usbhub.sys,and usbuhci.sys, and one other. I don't know which USB files are critical or not, so I basically replaced everything starting with USB. I had four drivers corrupted (I could only tell by reading the properties on the drivers - the original Microsoft drivers had all the fields filled in, the corrupted ones were blank). Your USB drivers will be in C:\Windows\Sytem32 and C:\Windows\Sytem32\drivers. You can try other recover boot disks - SPOTMAU works on the XPS400, but I coundn't get the UBCD (Ultimate Boot CD) or UBCD for windows to work on the XPS. The software comes in full functional limited time mode, so if you're budget constrained this won't cost you anything, although I recommend buying it ($80) if it works for you. This allowed me to get enough control to replace my USB drivers, and now I'm fine. I wound up downloading a temporary copy of Boot Disk from - I had another computer, so I could burn this to a CD and boot from it.
Can you run the Dell diagnostic CD - it should boot from it and check to make sure your hardware is okay. Unfortunately, normal DOS boot disks can't read our SATA drives, so you'll need a boot disk that can load SATA drivers. Your BIOS usb drivers should run the keyboard and mouse though, until the corrupted windows drivers take over.Ĭan you access the root of the C:\ drive over a network? (No, didn't share the c root either, but if you did you could replace the drivers from another computer.) If not, you'll need a boot disk that loads USB drivers. The problem is that you don't have 'human interface' with the computer, and the Dell XPS has no PS2 ports. If your problem is the same, then you don't need to reinstall the whole system, only the usb drivers. In my case the cause was spyware had attached itself to my USB driver to log my keystrokes - when I attempted to remove the spyware it corrupted the usb drivers.
I also have a Dell XPS 400 and lost my mouse and keyboard, so I know the frustration you're having here.
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