It's Vista Ultimate. All available updates and patches are current (except language packs). I can read from both drives and I can boot from both drives. The same problem exists when I log in as Administrator or any other user. Rebooting does not fix the problem. Since I can't make a CD, I can't (easily) make a UBCD.
Several MS Technet articles refer to group policy settings that can prevent access like this to writable drives, but the group policy editor is included with their server products and not as part of the normal user distributions. SInce my computer has never been part of a business network or connected to anything with Active Directory, I would not suspect that these permissions would have been set to deny access to the drives. I upgraded from XP Pro to Vista Ultimate and the drives worked before, so it would seem that something got changed during the upgrade process.
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by: warrenbucklesPosted on 2007-12-08 at 19:46:16ID: 20435979
Some basic questions:
Which flavor of Vista are you using?
Do you have Administrative privileges for your login?
It sounds like Vista doesn't want you to WRITE to these drives - I assume you may READ from them, yes?
You might want to take a look at the system logs and see if there are any messages regarding these units - errors loading drivers or whatever (real precise suggestion here...).
On the hardware side:
Can you boot from one or both? If so, you might want to try booting the UBCD for windows and see you can write with these drives from that setup (I think it includes a cd burning routine). UBCD is here:
http://www.ubcd4win.com/
Back to Vista software:
I, too, have occasionally had one (the second of two) of my DVD drives 'dissappear' but it's been a while since that happened and a reboot always cleared problems up - I have never bothered to track it down.
Sorry I can't be of more help.
wb