Sony DRX 820U won't eject.

At the back side of your dvd recorder, near the USB port, is the connector for connecting the external power supply (12Volts, 3.0Amp) that is included in the box.

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Stelios
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This is the issue with your CD/DVD Drive. Better you change the hardware. Other wise take one pin and push in the hole which you can see in CD/DVD drive. That time the tray will open.

here is the web page you need to access to get the help you require

http://sony.storagesupport.com/product/126

you shold be able to get satisfaction from that point

maybe this one http://drivers.softpedia.com/get/FIRMWARE/Sony/Sony-DRX-820U-DRX-820ULT-Firmware-20d.shtml

almost all computer CD drives comes with a small hole at the front near the eject button. A straightened paper clip will do after powering in down or not.

there are several softwares, if you are using XP it already has CD writing software, or i would recomend www.nero.com

I changed USB ports and got off a hub.... working again - thanks

the motor belt are weak or lose / need to replace to accuirate turning out the tray.

Trouble shoot it in the Device of the Control Panel?

I an sorry to say but it appears ya drive has gone faulty :( I have seen this a number of times at the shop.. If ya have a stuck disk it can be gotten out by using a straightened paper clip and inserting it into the hole in the front of the drive, and by pushing it in the drive door will be opened.