Discs Blu - Ray are not more recognized in Windows 7

Hello

I have 2 laptops with internal blu - ray, who never stopped recognizing Blu - Ray discs. I live in the United Kingdom

A Blu - Ray drive is an Optiarc, the other a LG - PC with the Optiarc has Win 7 64 bit Ultimate and the brand-new PC with the LG drive has Win 7 64-bit Home Premium edition. Both drives are listed in the compatibility list - and were shipped preloaded with Win7.

They both played Blu - Ray discs in the past, but it is even more recognize them in the drive.

I ran Diagnostics from CD/DVD drive suggested in other similar topics, but the reader does not recognize the disks, it cannot solve the problem.

I uninstalled and reinstalled several times readers in Device Manager.

I also tried the fix involving the upper and lower filter removal in a registry key, also without success.

I tried to change AHCPI to AHT in my bios - my bios has no AHT, just AHCPI and IDE

I've installed, uninstalled, and reinstalled several different Blu - Ray software Acer Arcade, PowerDVD, TMT MediaTheatre Total, Slysoft AnyDVD HD and others. None no longer works.

I even restored the two default factory machines and reloaded drivers manufacturer - no luck.

The manufacturer, Acer, has even replaced one of the machines - when he arrived, he played all my blu - ray discs. After only a couple of windows update, it doesn't even recognize the discs.

As you can imagine, I am at a loss on how to fix it.

I noticed that the driver is installed when the hardware is detected is a Microsoft driver since 1996 - would this work with Blu Rays? No disc manufacturer provides a different driver, and update driver is the correct driver.

The compatibility list says that Blu - Ray discs should work with the default drivers installed

I'm quite proficient with PC hardware, after fixing computers for 21 years, but this question has me - and thousands like me on the web - absolutely perplexed. It seems to affect any player Blu Ray with Win 7 installed.

Please can you help me

Thanks in advance,

SoC

Hello

Be sure to communicate with decision-makers readers as it is a known problem if it occurs regularly
with Windows 7. Also keep in touch with Acer for the same reasons - is planning to ask ALL those
for updates of the firmware.

Is it possible that you install the same software on the two computer such as antivirus/antispyware.
security programs or even a CD/DVD player and burn programs or others that may be causing
the problem?

If you are sure that it's an update, you can try to remove the update or even re - install Windows 7 and
block the installation of updates so you can enable them one at a time.

If you get it working brand a Restore Point immediately make one before installing a
programs (before each major) and before you add updates.

How to create a System Restore Point in Windows 7
http://www.SevenForums.com/tutorials/697-system-restore-point-create.html

How to do a system restore in Windows 7
http://www.SevenForums.com/tutorials/700-system-restore.html

How to uninstall a Windows Update in Windows 7
http://www.SevenForums.com/tutorials/24373-Windows-update-uninstall-update.html

How to hide or restore the updates of Windows hidden in Windows 7
http://www.SevenForums.com/tutorials/24376-Windows-Update-hide-restore-hidden-updates.html

===============================================================

Perhaps a repair install might help:

How to do a repair installation to repair Windows 7
http://www.SevenForums.com/tutorials/3413-repair-install.html

===============================================================

You've done most of them however this is my usual convenience store just in case.

The DVD player does not work after I installed Windows 7 - here are the different readers from Sony
However the same issue could have an impact on your drive.
http://support.Microsoft.com/kb/975270/

-----------------------------------------------------------------------------------------------------------

Follow these steps to remove corruption and missing/damaged file system repair or replacement.

Start - type in the search box - find command top - RIGHT CLICK – RUN AS ADMIN

sfc/scannow

How to fix the system files of Windows 7 with the System File Checker
http://www.SevenForums.com/tutorials/1538-SFC-SCANNOW-Command-System-File-Checker.html

Then run checkdisk (chkdsk).

How to run check disk in Windows 7
http://www.SevenForums.com/tutorials/433-disk-check.html

==========================================================

After the foregoing:

References to Vista also apply to Windows 7.

Step 1: Please do all the same underneath if you did some before as is often total
a process that solves the problem.

Try this - Panel - Device Manager - CD/DVD - double click on the device - driver tab.
Click on update drivers (this will probably do nothing) - RIGHT click ON the drive - uninstall.
RESTART this will refresh the default driver stack. Even if the reader does not appear to continue
below.

Then, work your way through these - don't forget the drive might be bad, could be a coward
cable or slight corrosion on the contacts (usually for a laptop) and other issues.

Your CD or DVD drive is missing or is not recognized by Windows or other programs
http://support.microsoft.com/kb/314060 - a Mr Fixit

Try this fix manually if the Fixit 314060 does not work
http://www.pchell.com/hardware/cd_drive_error_code_39.shtml

Your CD or DVD drive is missing or is not recognized by Windows or other programs-
a Mr Fixit
http://support.Microsoft.com/kb/982116

The DVD player does not work after installing Windows 7
http://support.Microsoft.com/kb/975270/

The CD drive or the DVD drive does not work as expected on a computer that you upgraded to
Windows Vista
http://support.Microsoft.com/kb/929461

When you insert a CD or a DVD, Windows Vista may not recognize the disc
http://support.Microsoft.com/kb/939052

Your CD or DVD drive cannot read or write media - A Mr Fixit
http://support.Microsoft.com/GP/cd_dvd_drive_problems

CD/DVD drive does not appear in Windows Vista, or you receive this error during Windows Vista
Setup after booting from the DVD (AHCI)
http://support.Microsoft.com/kb/952951
Drive CD - R or CD - RW Drive is not recognized as a recordable device
http://support.Microsoft.com/kb/316529/

Hardware devices not detected or not working - A Mr Fixit
http://support.Microsoft.com/GP/hardware_device_problems

Another possibility is that the cables are loose. Remove ALL power, then make sure that the cables in both
ends. Remove and replace, do not just tight. For laptops, you can often clean power and
contacts data with a pencil eraser.

Some DVD players do not use the Windows default drivers so check with the manufacturer of system and
manufacturer of device to see if there is a firmware or drivers for your drive if necessary.

===============================

Step 2: You have disc problems as the CD/DVD is actually 4 discs in 1 case (CD & DVD
Burn and CD and DVD read). So it is not unusual for 1 or 2 operational so that other parts
do it right.

Did you follow the Troubleshooting Guide for the reader who still does not work? There are
the entries in registry that the troubleshooter does not solve and those who "might" be the cause.

Check with your Maker system and a device for the two possible firmware updates and the
correct registry entries for your car.

Here are the keys that I of course are those in question - for the subkeys of the CD/DVD drive
as there will be other subkeys in these keys. Do not forget to ask specific keys involved as well as
the parameters.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\IDE

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Hardware Profiles\0001\System\CurrentControlSet\Enum\IDE

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\ {4D36E965-E325-11CE-BFC1-08002BE10318}

-----------------------------------------------------------------------

You can probably find more info here and maybe even the exact registry settings for your
CD/DVD drive someone with the same model.

Forums - a lot of expert real help
http://Club.myce.com/

CD/DVD units
http://www.myce.com/storage/

Use DevManView to locate the CD/DVD in the registry (be careful and do a prior Restore Point)
nothing change) - find the DevManView device and then make a right click on it free in RegEdit.

DevManView - free - an alternative to the standard Windows Device Manager, which displays
all devices and their properties in flat table, instead of the tree viewer
http://www.NirSoft.NET/utils/device_manager_view.html

I hope this helps.

Rob Brown - MS MVP - Windows Desktop Experience: Bike - Mark Twain said it right.

Tags: Windows

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