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Latitude E6520 / Windows 7x64 Ent.

Posted on 2012-03-23
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Last Modified: 2016-11-23
Missing CD-DVD drive upon wakeup. So far, Dell support is unable to fix the problem

Thank you.
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Question by:cohhelp
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16 Comments
 
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Expert Comment

by:MetMc
ID: 37757929
Was there an attempt made to delete it in Device Manager and let it detect and install?  Or is it not even showing in Device Manager?
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Expert Comment

by:wshark83
ID: 37757943
have you tried -- > turned the laptop off completely...remove the cd drive and re-inserted the cd drive back in.

also check if there are any bios updates or cd drive driver udpates...
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Expert Comment

by:l33tf0b
ID: 37757947
Can you make sure it's visible in the BIOS?  Perhaps the drive is not seated securely?
Try another DVD drive if you one available to swap out and test.
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Expert Comment

by:bigeven2002
ID: 37757949
Hello,

What troubleshooting have you tried so far?  Have you tried removing the drive and reseating it?  Then reboot and test the wakeup.  Also you might try going to Device Manager, uninstalling the DVD drive, then scan for hardware changes and let it re-detect it.
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Author Comment

by:cohhelp
ID: 37758054
All above was done yesterday with Dell tech online.
The laptop detects the drive on cold reboot only and misses it after wakeup.
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LVL 17

Expert Comment

by:bigeven2002
ID: 37758199
Sounds like either the DVD drive or the connector on the motherboard is faulty.  The warranty should allow you to replace them both.
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LVL 16

Expert Comment

by:l33tf0b
ID: 37758427
swap out the drive?
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LVL 23

Expert Comment

by:Danny Child
ID: 37760413
have you tried a chipset driver update?

here's the page to enter the Service Tag (from the underside of the laptop)
http://www.dell.com/support/drivers/us/en/555/DriversHome/?c=us&l=en&s=biz&cs=555
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Author Comment

by:cohhelp
ID: 37761648
Info for everyone interested to help fix this problem:
The drive was swapped with a brand new from Dell, all chipset drivers are up to date, etc.
That means the troubleshooting on hardware level doesn't fix the problem.
So far, it looks like the problem is with Win 7x64 OS sleep mode.
Upon wakeup we can see the disappearance of the optical drive.
Any idea will be really appreciated.
Thank you.
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LVL 17

Expert Comment

by:bigeven2002
ID: 37802587
Was the replacement drive imaged from the current drive or did you rebuild with a clean install?
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Author Comment

by:cohhelp
ID: 37821545
Only the optical drive was swapped, the HDD wasn't rebuilt.
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Expert Comment

by:bigeven2002
ID: 37822482
Ok, do you have an identitcal model that you can swap the HDD?  Once the swap is done, reboot the problem laptop and put it to sleep.  Then wake it up to see of the CD drive is there.  If it is not even with the different HDD, then the motherboard has problems.
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Author Comment

by:cohhelp
ID: 37823856
It was already tested, the motherboard is ok.
It is a sw problem / conflict, and I'm just hopping somebody sussesfully solved it.
Thank you.
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LVL 17

Expert Comment

by:bigeven2002
ID: 37839317
Ok I did some reading and you may have already looked at this, but in the BIOS, is the SATA mode on AHCI or IDE?  You mentioned the chipset drivers are up to date, did you also update the SATA drivers?  There should be one for Intel rapid storage technology here on dell's site.
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Accepted Solution

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cohhelp earned 0 total points
ID: 37927003
Dell replaced the laptop.
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Author Closing Comment

by:cohhelp
ID: 37940764
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