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Hardware shown in BIOS listings 'goes missing' when WinXP starts.
Shane:
What shows up in the device manager under the dvd/cd roms?
Also go to disk management. Do the drives show up there but have no drive letter?
Shane
phowarth:
In Device Manager, so long as I attach the dvd/cd rom either to SATAs 1,3 or 4 or as Master to EIDE it is visible.
All drives listed in Disk Management have letters attached and there's nothing listed in Disk Management which isn't also visible in 'My Computer' and in Device Manager.
However, as soon as I attach anything either as EIDE Slave or to SATA 2 (whether it's a dvd/cd or a hard drive), it disappears completely - from Device Manager, from My Computer and from Disk Management (but both drives are listed in BIOS and were perfectly visible under Linux).
So in the Device Manager screen shot, there are two further hard drives (one each attached to Sata 2 and as EIDE slave) which are invisible in all management tools and so can't be accessed.
Shane:
I am wondering if it is a corrupt IDE driver.
I have a strong feeling that this is either going to be a corrupt driver problem or something messed up in the registry.
http://answers.microsoft.com/en-us/windows/forum/windows_vista-hardware/cddvd-drive-not-listed-in-device-manager/44cb3f36-9f4d-4d17-b464-af11d681141f
Shane
phowarth:
Thanks again - I've been through the list as far as the Mr Fixit tool (which isn't designed to work in XP), but to no avail.
One factor which may be relevant is that the problem definitely isn't with either of the CD/DVD ROM drives itself or its connections, because if I move the EIDE CDROM to Master it works fine (but I lose whatever is attached to slave), and similarly, if I connect my SATA CDROM to any SATA port other than #2 that too works fine.
So the problem seems to lie with whatever part of Windows recognises these two ports, rather than with the attached devices themselves.
Last week I experienced a new symptom: The screen froze, with message "can't play video - change setting to 1680 x 1050@ 60 Hertz" After the necessary reboot I checked and the screen resolution is already at that setting. I therefore used Drivermax to find new drivers and installed any suggested, including Intel Q35 Embedded Graphics Chipset: 6.14.10.5218 2010-01-13
This may have been a mistake! I'm now getting the blue screen of death 3 or 4 times a day with the message: win32.sys PAGE_FAULT_IN_Non_PAGED AREA, with the advice to remove any recent driver upgrades. I tried to use System Restore to go back to April 23 when I installed an 'unsigned' driver but Sys Restore function doesn't seem to work. Therefore using DriverMax itself I'm starting to roll-back any recent driver updates, beginning with the Intel Q35 one.
Any further suggestions much appreciated please.
Shane:
I never use driver programs like that lol. I instead download the ones I need based on the model of the device.
PAGE_FAULT_IN_Non_PAGED AREA is a driver error. Can you at least get into safe mode?
Shane
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