Tuesday, December 14, 2010

【 Weak current College 】 optical drive failure should be how to judge and solutions-Power By 【 China power house network 】



When the drive has a problem, usually expressed as the CD drive indicator blinks, cannot read the disc or reading disk performance degradation, CDROM drive letter disappears. Optical drive read up blue screen of death or shows "unable to access the CD-ROM device is not ready" prompt box, etc.

1. optical drive connection caused by improper

The optical drive after installation, the post, such as not detected by the optical drive, you should carefully check the optical drive cable connection is correct, secure, optical drive power cable is unplugged. If you post to drive this screen appears when you stop, you have to look at the optical drive (master, slave) jumper is correct.

Reminder: optical drive not and hard drive even on the same cable.

2. internal contact

If you can't eject a stuck CD or DVD drive, may be the optical drive internal accessories contact problems, you can try the following solution: the drive is removed from the chassis and use a Phillips screwdriver to open, passed the emergency eject hole eject the CD-ROM tray, so you can remove the optical drive of the cover and front cover. After removing the top cover of your CD will see movement, in the left or right side of the tray will have a terminal attached to the belt tray motor. You can check this belt are clean, whether it is wrong, but also to the belt and the end of the connection of motor oil. Another optical drive tray will on both sides with a row of teeth, the anti-aliasing is control tray eject and withdrawn. Please give this anti-aliasing on oil, and see if it has no such fault dislocation. If the oil would have extra oil rubbed, and then reinstall the drive, then post a try.

Reminder: However, because this kind of repair professional, it is recommended that you'd better find professional repairs.

3. the CMOS Setup problems

If you post to drive this time stop or panic, it is possible that the CMOS settings of the optical drive mode setting is incorrect. In General, as long as all the IDE interface is set to "AUTO", you will be able to correctly identify the optical drive model. For some early motherboard or individual phenomenon, you need to be set.

4, driven problems

On Windows systems, when the Board driven by viruses or loss caused by wrong operation and makes the IDE controller is not correctly recognized by the system, thus causing the optical drive failure, then we only have to reinstall drivers for the motherboard.

In addition, when a CD-ROM drive is drive repeat or multiple installation, Windows will make the mistake operation to identify more than one CD-ROM drive, this occurs when the Windows boot screen. We only enter into Windows safe mode (click on "my computer → properties → CD-ROM") to remove the extra optical drive you have resolved the problem.

5, the CD drive does not support DMA

Early drives may not support DMA, can drive DMA interface closed so as to avoid incompatibility, etc. After completing the settings, press the "OK" button to restart the computer.

DMA interface CD drive is not compatible with the motherboard, it should turn off DMA. If you really want to play a CD or DVD drive performance brought about by DMA, recommends upgrading the motherboard's BIOS or firmware of your CD or DVD drive (Firmware). In addition, the optical drive using long after reading disc instability phenomenon, we can try to turn off DMA in order to reduce the performance and stability.

6. virtual optical drive conflict

We install the drive, usually with a virtual CD drive. But after installing Virtual CD drive, sometimes found in the original physical CDROM "lost", this is due to a hardware profile settings available letter. Workaround: use the Windows Notepad to open the root directory of drive c "Config.sys" file and add "LASTDRIVE = Z" Save Exit, reboot to solve the problem.

During the installation of double-CD drive to install low version of "virtual discs" the particular case be shown to have one or two physical CDROM "lost"!: another version or other virtual CD program.

7, aging cause laser head

Eliminates dust caused by the reasons, if the CD-ROM drive cannot read the disk is likely to be the "aging" laser head, will adjust the optical laser head near potential regulator, increasing resistance to change the current strength of the launch tubes, power increase the brightness of the laser, thereby improving the ability of the reading disc optical drive.

Reminder: we use a small screwdriver clockwise adjust (clockwise and counterclockwise to decrease the high, power) to 5 degrees, stepping, edge-edge discussion until satisfied. Keep in mind is not regulated, otherwise there may be power laser head is too big and burned.

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