System info: Hp Windows Vista Home Premium 32 bit OS, Compaq Presario F700 Notebook (F765CA), Product# KP027UA#ABC
1)Have to use F8, last known configuration, for start up. Otherwise the screen stays grey, with a tiny flashing bar on top left. Eventually it says "Operating System not found". Event Viewer shows, Boot Driver Missing as of Dec23/10.
2} Had to restart again today as Avast required this for an update. It was almost impossible to even use F8.
3) After hours of study found the new driver needed in the device manager. It is
" NVIDIA nForce PCI System Management.
4) The problem is that, in my Device Manager, the driver properties for this device show " no driver installed ", while the driver details show the 3 files for it, as if it were installed.
Files \system32\NVCOSMB.DLL ... \system 32\nvsmb.nvu ... \system32\nvsmb.exe
5)I tried to update this driver and NVIDIA showed " up to date ", as if it were installed. Then I rolled back the driver and it updated alright. My computer started up correctly twice and then today, after I had to restart for an Avast update, it was almost impossible to start up even with F8. It took multiple tries with frantic beeping as F8 was pressed. When I then checked the Event Viewer it showed " diver was dumped ".
6)I tried to find the correct driver to install on the NVIDIA site, using all the procedures shown, and could not find it. So, I am afraid to uninstall the driver? , or the files for it. I realize that I should not turn off the computer again, even for updates.
I am just learning and fear I may ruin my computer.
Thank You for your thoughts on this and help is much appreciated, athome34.
Edited by athome34, 03 January 2011 - 04:19 AM.