Originally posted by expat
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Reply to: PC not recognizing CD & DVD drives
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Previously on "PC not recognizing CD & DVD drives"
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Originally posted by wc2I've dealt with this problem before.
From the registry Local Machine - System - CurrentControlSet - Control - Class - 4D36E965-E325-11CE-BFC1-08002BE103184/5 - Delete Upperflilters & Lowerfilters
Reboot
You might want to backup this part of the reg before removing the filters.
WC2 this worked, you're a star! I only had a lower filter, removed it and both drives are now detected. What a weird problem, i wonder why that happened?
Thanks for your help, much appreciated.
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Originally posted by expatJesus! That makes it not play CDs?
Windows dectects the CD's after this has been done. Worked for me twice
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Mrs Goof!
I believe your nylon knickers may have caused static electricity to blow both drives! Remove them immediatly and get your butler to buy new ones (Cotton)
Next time please use anti static procedures
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Originally posted by expatWindows.... if it doesn't work, just delete it.
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Originally posted by FlubsterPossibly a completely different problem, but had something similar with my laptop at the weekend. My resolution was to delete the driver then restart. XP then reinstalled the driver...then Bob's yer Uncle, Fanny's yer aunt...it worked a treat.
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Possibly a completely different problem, but had something similar with my laptop at the weekend. My resolution was to delete the driver then restart. XP then reinstalled the driver...then Bob's yer Uncle, Fanny's yer aunt...it worked a treat.
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Originally posted by wc2I've dealt with this problem before.
From the registry Local Machine - System - CurrentControlSet - Control - Class - 4D36E965-E325-11CE-BFC1-08002BE103184/5 - Delete Upperflilters & Lowerfilters
Reboot
You might want to backup this part of the reg before removing the filters.
Leave a comment:
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I've dealt with this problem before.
From the registry Local Machine - System - CurrentControlSet - Control - Class - 4D36E965-E325-11CE-BFC1-08002BE103184/5 - Delete Upperflilters & Lowerfilters
Reboot
You might want to backup this part of the reg before removing the filters.Last edited by wc2; 9 October 2006, 17:41.
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Sounds stupid, but try removing the new memory, and see if you get the same result. I've never heard of RAM having this effect, but you never know. Try googling the motherboard model and see if anyone else has had a similar problem. Like you say, the chances of losing 2 CD/DVD Drives at the same time is slightly less likely than the chances of me waking up next to Kylie.
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Apologies I double checked and the 2 drives are Secondary Master and Secondary Slave in the BIOS.
So the BIOS sees them as these and Windows (being Windows...) fails to pick them up.
I'll pull out all the connections apart and try again.
I can't help but feel that the drives have both malfunctioned, but it is odd that it happened to both at the same time.
Thanks for your help, I appreciate the time you spent on this.
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When you say 3rd and 4th slaves, I presume they are on seperate IDE channels - or are they SATA drives? Im suprised that, as you have not changed your hardware configuration, that they are not recognised.
Normally I would have thought, if using IDE, that if they were both set to be slaves on the same channel you wouldnt even see them both in the BIOS, but you might just check the following:
If using IDE (connects to an 80 pin socket on the motherboard, normally a wide thin cable), check the jumpers on the back of every drive attached to all IDE cables, and see if they are set to 'Cable Select' - sometimes labelled simply 'CS'. The other options are 'Master' or 'Slave'. 'Cable Select' means each drive automatically determines if it is the 'Master' or 'Slave' on that IDE cable - you cannot have two Masters or two Slaves on the same cable.
Other than that, I would say temporarily disconnect one drive at a time and see if the other is recognised by your operating system... might help deduce where the problem is....
If you have a mix of IDE CD / DVD drives, and SATA hard drives, then the BIOS will have a mode to use various modes such as 'PATA' for handling drives - personally at this stage I would not change any BIOS settings - but the BIOS can handle how it 'presents' the mixed set of drives to your operating system in different ways. As it describes them as '3rd and 4th Slaves', I would imagine you do indeed have a mix of IDE CD/ DVD and SATA hard disk(s).
The usual support techie question would be 'what have you recently changed'? As you say memory, the usual support techie response would be 'recheck the cables are attached properly'.Last edited by mcquiggd; 7 October 2006, 15:43.
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Originally posted by mcquiggdFirstly have you either:
Changed your hardware configuration
Installed something like Daemon Tools etc (software that emulates a CD/DVD player)...
The only hardware change I made was to install an extra 1Gb of RAM. I can't say for sure whether that had any effect on the CD & DVD drives.
I've not installed any daemon tools and also have no external hardware.
I've opened up the tower to check that everything (wire connections) is in place and that all seems OK. The fact that there's power to the drives would indicate that they are wired/plugged in OK.
Important Note: The BIOS is able to detect both drives as it lists them as 3rd & 4th Slaves and also has them as Boot options.
Just so confusing why Windows doesn't recognise them!
Cheers
Tarun
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