Question about Acer TravelMate 2700 Notebook

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Slimtype dvd rw sosw-852s

I have a travelmate 2700 (acer). My dvdrw does not work at all, it may be corrupt what can I do?
****

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  • 201 Answers

Try This:

1) Close all open programs
2) Click on Start, Run, and type REGEDIT and press Enter
3) Click on the plus signs (+) next to the following folders

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

4) This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the following names in the right hand column.

* UpperFilters
* LowerFilters

5) If any of the above keys shown in step 4 are listed, right-click on them and choose Delete
6) After deleting the keys, close the Registry Editor
7) Reboot your computer
8) Open My Computer and check to see if your CD or DVD drives have returned. You may also want to open Device Manager and verify that the yellow exclamation and error code on the CD or DVD drive is gone

Posted on Feb 17, 2009

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Update SOSW-852S, my liteon cd riter dvd reader will not work, it will attempt to read a cd and eventually stop, please any suggestions


1.delete the upper and lower filter from registery
Click Start
RUN---TYPE REGEDIT
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}
Caution There can be many instances of the registry subkey that is mentioned in step 2. You must make sure that you are in the appropriate registry subkey before modifying the UpperFilters and the
LowerFilters values. To verify that you are in the appropriate registry subkey, make sure that the Default data value is DVD/CD-ROM and the Class data value is CDROM.
In the right pane, if you have UpperFilters, right-click UpperFilters, and then click Delete.
Click Yes to confirm the removal of the UpperFilters registry entry.
In the right pane, if you have LowerFilters, right-click LowerFilters, and then click Delete.
Click Yes to confirm the removal of the LowerFilters registry entry.
Exit Registry Editor, and then restart the computer.
2.bootable disk also not working means suspected issue with dvd drive,So change the dvd driver.

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Usually you can format a DVD CD burner to make it playable on all devices
ok?

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http://www.filehippo.com/download_klite_codec_pack/download/386362a75e49c7c9bb5038ef4a3ba052/

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Take a look at this thread. Most likely it is your problem too.

http://www.fixya.com/support/t1646033-get_cd_drive_work

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hey alan,

u can go here for the latest drivers of your notebook

http://support.acer-euro.com/drivers/ftp/ftp.html

than click on : notebook
than click on : aspire 1640
than click on: any map u whant for updates

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Hi,

Try uninstalling the drive in device manager and then reboot, windows will automatically detect it again and re-install the drivers again for you.
The drivers may have been corrupt, if this does not work then the firmware on the drive might be corrupt.

Let me know how you get on.

Good luck....!

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Hi,
Sorry I can't offer any help, but then again, even Liteon couldn't help and posted a notice on their website a while back stating that these units were subject to drive failure.

" DVD-RW Drive SOSW-852S
NOTE: This is a system integrator product. Due to compatibility concerns, which may cause drive failure, we are not able to provide any firmware upgrade for this product. For technical support, kindly contact your vendor."

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sounds like you're suffering the jungle DVD fever disease, most likely from excess salt air exposure(same thing happens over here on Hawaiian islands). So, just swap out the DVD for another one, and mark your calendar for same drill in another year.

got backup for your computer?

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Acer TravelMate Notebook 4502LMi DVDRW SOSW-852S (PRS9) Replacement


My recommendation is to get the exact replacement that Acer recommend. OR a third party equivalent.

In saying that as long as one has a warranty for said device, then really anything else is a moot point.

I think you will find that the Panasonic drive will be more than suitable.

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