![]() Something I did not note is the drive that won't boot is a DVD-ROM. "My disc" has been created using several types of media: Once you have provided information on a "BIOS driver for disc drives", can you also provide a link to information regarding said "BIOS drivers" differentiating between one given blank format and another? I don't see how a "BIOS driver" (I'm sorry, that cracks me up) is going to prevent me from booting a Memorex disc, but will boot a Maxell disc. I thought booting was based on industry standards for boot sectors and bus protocols, but perhaps I am way off base. two things to try, different disc or different burn software, if that does not change anything, i would then try a different burner (hardware) personally i use imgburn, never had a issue, i also use only memorex disc, no cheaposīIOS driver? Could you post a link to some technical documentation to which you refer? I've never heard of a "BIOS driver for the optical drive". it boots from a factory stamp, but not a burned DVD. ![]() now weather it is the disc itself or the method of burn i can't say. The bios driver for the optical drive does not support your disc. This is the most obscure and ridiculous thing I've ever seen. WHAT? WHY?! WHY does it work that way with one drive and not the other?! >.< That's really the most absurd thing I've ever seen.ĪND to top that off, if I take the LG DVD-ROM drive out, put in the Dell DVD-RW drive, insert the burnt disc and DO USE the "One-time boot menu", it DOES boot the burnt disc. I'm sorry, I really don't understand why if using blank media, I must use this re-sequencing procedure rather than going through the "One-time boot menu". Go into BIOS and re-order the boot sequence so the DVD drive is first while it contains the burnt disc - works. Press F12 for a boot menu to boot the DVD drive that contains a burnt disc - doesn't work. ![]() Press F12 for a boot menu to boot the DVD drive that contains the factory stamped discs - works. Go into BIOS and re-order the boot sequence to have the Optical Drive boot first so that it automatically chooses the optical drive. Instead of pressing F12 to choose a boot device at POST, Has anyone else ran into this or have any suggestions that we haven't tried? (Though, I think we've tried everything possible at this point aside from re-engineering the drives ourselves with whatever capability they seem to be lacking). We did purchase all of our T1600's all at the same time, so I suppose it is possible we got a batch of drives that all have the same defect, OR the drives are simply designed to not be capable of booting burned DVD media which seems REALLY absurd to me, though I wouldn't put it past Dell or LG. These drives are an LG that have firmware version 1.00, but 1.04 is available from LG (not from Dell) which, as I mentioned before, does not fix the issue. These same drives that won't boot our burned Win7 DVD images WILL boot our customized Windows PE CDs. We thought for a minute the drive was having trouble because of the UDF revision used in the ISO, but we've found the factory Windows 7 disc (boots) is UDF 1.02, the Dell recovery disc (boots) is UDF 1.50, and the burned discs (do not boot) are UDF 1.02, so that's out as well. We are going insane trying to figure this out. OK, so we've at least identified the issue resides with the drives they used for these T1600's. We pulled a drive out of the Optiplex 960, stuck it in the Precision T1600, and booted every single disc we burnt with no issue whatsoever. Tried every SATA mode (ATA, AHCI, etc.) Updated the drive's firmware (It's an LG drive, the firmware was not available from Dell, had to obtain it from LG directly). Here are more things we tried on the Precision T1600's to try to get them to boot these DVD's (all of which produced the same failing result): We put every single burned disc into several other computers (Optiplex 960's, mine and my boss' personal computers at home, etc.), every single time it worked! And of course, the run-a-round with Dell Support concludes that since their drive is able to boot the factory stamped Dell Recovery Disc just fine, there is nothing wrong here - ticket closed. If we put in the factory stamped recovery disc from Dell, it works! If we put in a factory stamped Windows 7 disc from Microsoft, it works! Every single one of them produces a boot error: All 9 discs we've tried to boot are burned discs from the Windows 7 SP1 ISO supplied directly from Microsoft's licensing portal. We're trying to boot a Windows 7 disc in 3 new Dell Precision T1600 desktops.
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