CD-ROM drive troubleshooting confluence

Source: Internet
Author: User
Tags root directory

first, the CD-ROM common troubleshooting methods

  Common Failure One: the optical drive work when the hard drive lights always flashing

Fault reason: This is an illusion, in fact it is not so. The hard drive light is blinking because the optical drive is connected to the hard drive on an IDE interface, and the disc also controls the results of the hard drive light when it works. The CD-ROM unit can be connected to one IDE interface alone.

Many other friends have shown that the working instructions for the hard drive have been flashing on DVD watching, and no other work has been done during this period. In fact, this is not a problem, because the current DVD volume is quite large, in order to ensure smooth playback, the computer will be in the disc data will be stored in the hard disk cache, which led to the hard drive led has been non-stop work.

  Common fault Two: the optical drive does not read the disk properly, the screen shows: "Drive X disk, insert disk to try again", or "Cdr101:not READY READING DRIVE X ABORT." Retry. FALL? " Occasionally in and out of the box also read a few times, but soon did not read the plate.

In this case, should first detect the virus, anti-virus software to carry out the killing of the whole machine, if no virus can be found in the file editing software to open the C-packing directory of the Config.sys "file, to see if it is hanging on the driver and the driver is damaged, and processing, but also available text editing software to view "Auioexec. BAT "Is there a" mscdex in the file. Exe/d:mscdooo/m:20/v ". If the above two steps do not find problems, removable drive repair.

  Common fault Three: "32 disk access failed" When operating on DVD-ROM in Windows environment, then panic

  cause of failure: Obviously, Windows 32-bit disk access has a certain impact on the CD-ROM. Most of the CD-ROM is connected to the IDE interface of the hard disk, does not support Windows 32-bit disk access, so that Windows generated an internal error and panic, this is a frequent failure, many friends will be helpless when encountered, in fact, the solution is very simple.

  Troubleshooting: After entering windows, in the main group, double-click Control Panel to enter the 386 enhanced mode setting, click the Virtual Memory button, click Change, turn off the 32-bit disk access check box in the lower-left corner, and then restart Windows after confirming , there is no error in accessing the CD-ROM in Windows.

  Common fault Four: read- write errors or diskless prompts when light is driven

Most of this phenomenon is caused by the operation of the optical drive when the disk is not in position. All operations on the optical drive will need to be operated only when the optical light is displayed as a good bit. You should also adjust the time to 0 o'clock to change the disk, so you can avoid this error.

  Common fault Five: when playing a movie VCD, the picture pauses or broken phenomenon

Check to see if the "Smartdrv" in the Autoexec.bat file is placed after MSCDEX.EXE. If so, the SMARTDRV statement should be placed before the MSCDEX.EXE, and the high-speed party's program without the optical drive will be changed to smartdrv.exe/u;

  Common fault Six: optical drive When reading data, sometimes read not out, and read the time of the disk becomes longer

Optical drive failed to read disk hardware fault is mainly concentrated in the laser head components, and can be divided into two kinds of situations: one is used too long to cause the laser tube aging; the other is the photoelectric tube surface too dirty or laser tube lens too dirty and displacement deformation. So when the power of the laser tube is adjusted, the optical tube and the laser tube lens should be cleaned.

The method of cleaning the photoelectric tube and the focusing lens is to unplug a set of flat cables connected to the laser head assembly, to remember the direction and to disassemble the laser head assembly. When you can see the cover of the laser head focusing lens, remove the sheath will find that the focus lens from four thin copper wire connected to the focus, trace coil, the photoelectric tube assembly installed in the lens directly below the small hole. With thin wire wrap cotton with a small amount of distilled water wipe (not to use alcohol to wipe the photoelectric tube and focus lens surface), and see if the lens is horizontal hanging on the laser tube, otherwise it should be adjusted properly. At this point, cleaning work finished.

Adjust the power of the laser head. There are 1 small potentiometers with a cross screw on the side of the laser head assembly. With the color note under its initial position, generally first clockwise rotation 5°~10°, installed test machine can not rotate counterclockwise 5°~10°, until the smooth reading disk. Note must not rotate too much, lest the power is too big and burn the photoelectric tube.

  Common fault Seven: the boot does not detect the optical drive or failed to detect

This may be due to the optical drive data cable connectors loose, hard drive data line damage or optical drive jumper set error caused by this problem, we should first check the optical drive data cable connector is loose, if found not plugged in, it will be inserted well, plugging. If this still does not solve the problem, then we can find a new data cable to try. At this point if the failure persists, we need to check the disc jumper settings, if there is a mistake, change it.

1) to solve the optical drive "forced" automatic pop-up failure

One computer has been installed on the Windows 98 operating system, at ordinary times, the optical drive working state all normal, but recently encountered a strange phenomenon, that is, when the computer power is connected to start the system, the CD-ROM drive is always "forced" automatic pop-up, encountered this phenomenon, how can we solve it quickly? In general, the likely cause of this failure is the application software is not fully installed, or the system has some special software installed, it may be the software in the "dark bottom" to increase the control of the optical drive settings. To solve the optical drive "forced" automatic eject failure, we may wish to follow the following steps to respond:

First of all, check whether the recent installation of some new applications in the computer system, if installed, then we can try to clean the application of these applications, and then restart the computer system, wait until the success of the CD-ROM drive to check whether the door will automatically eject.

If the above operation does not solve the optical drive "forced" automatically eject the failure, we can click the "Start"/"Run" command, in the subsequent pop-up Run dialog box to enter the string command "Msconfig", and then click the "OK" button, This will automatically open the System Configuration Utility interface as shown in Figure 1; Click the Start tab in the interface, and in the corresponding tab page, remove any applications that you rarely use or are unfamiliar to you from the Startup list item, and then click OK. Restart the computer system may solve the optical drive "forced" automatic pop-up failure.

(2) To solve the optical drive automatic "lost" fault

The author's computer installed a Compaq CD-ROM drive, usually the optical drive has been able to work normally, but since the author will be installed in the computer system, "Virtual optical Drive" application completely uninstall, the optical drive will not work, and open the system of the "My Computer" window, Unexpectedly found that the optical drive icon automatically "lost." How did this strange phenomenon happen, and what measures should we take to eliminate the problem?

In fact, this phenomenon is a very common after the removal of virtual optical drive applications, a typical problem, this problem often occurs in a lower-version Windows system or in an older optical drive, because the old optical drive or the lower version of the system does not support Plug and Play, and once the virtual optical drive application is removed, The system will not be able to recognize the physical optical drive or reallocate system resources when it encounters the above situation. If we are unfortunate to encounter this phenomenon, we may wish to follow the following steps to deal with:

Right-click the My Computer icon on the System desktop first. Run the Manage command from the pop-up right-click menu, open the System's Computer Management dialog box, click the storage, Disk Management option in the left area of the dialog box, and in the corresponding disk Management option, locate the icon for the destination optical drive in the lower-right pane area of the options and check if the Windows system has a drive number assigned to the optical drive device.

If you find that the optical drive device is not assigned a drive number, then we can right-click the target optical drive icon in the interface shown in Figure 2, execute the "Change Drive letter and path" command from the pop-up right-click menu, and click the "Add" button in the drive letter editing dialog that pops up. Then select the "Assign the following drive letter" option in the subsequent interface, and then choose an appropriate disk drive number in the Drop-down list to the right of the option, and then click the OK button and reboot the computer system so that the old optical drive can be recognized by the system.

Of course, if the above operation still does not solve the problem, we might as well let the Windows system to search for new hardware, so that the system can automatically recognize the physical optical drive. In order to improve the system to automatically identify the success rate of optical drive equipment, we can actively adjust the optical drive device connection status, such as the main disk to adjust from the disk, or the CD-ROM device connection port from the IDE1 interface to the IDE2 interface, so that the Windows system can automatically find hardware changes, So that the physical optical drive can be automatically recognized. If the above fault can not be solved successfully, we only have to reinstall the computer system.

3) to solve the optical drive can not automatically run the failure

Recently, a friend to the author "Help", said he will buy a new software CD in the computer CD-ROM, the CD can not automatically run the executable program. When the author examines the computer system of a friend, found that the "automatic insertion notice" function of the optical drive has been enabled, but no matter what CD-ROM, the optical drive is unable to automatically run the executable program, this is how, how can we make the CD-ROM drive automatically run function back to normal?

Careful analysis of the optical drive device autorun function, we are not difficult to find that the function needs to meet two prerequisites, the first requirement in the CD root directory must exist under the name "Autorun.inf" file, the Windows system only to search the file, will automatically invoke AutoPlay for Autorun purposes, and the "Autorun.inf" file must specify the detailed path information for the executable program that needs to be run automatically.

Second, you need to open the System Registry Editing window, and then locate the mouse in the registry branch Hkey_current_usersoftwaremicrosoftwindowscurrentversionpoliciesexplorer, In the right-hand window area of the corresponding Explorer subkey, check to see if there is a Double-byte value named NoDriveTypeAutoRun, and, if not, click Edit/New/DWORD value in the Registry editing window. and name the newly created DWORD value as NoDriveTypeAutoRun, as shown in Figure 3;

Next double-click the NoDriveTypeAutoRun double byte value, in the subsequent pop-up of the Numeric Settings dialog box, select the hexadecimal option, and in the Value data text box, enter "95", and finally click the "OK" button.

If our CD-ROM is capable of supporting Autorun, but the CD will not run automatically when it is placed in the optical drive, it is possible that we have modified the NoDriveTypeAutoRun Double-byte value in the registry to other values. At this point we must adjust the NoDriveTypeAutoRun double byte value to "95" according to the above method.

Light drive with maintenance skills

1, optical drive connection should be reasonable

In general, our machine will have two IDE devices, the normal user machine configuration is basically a hard disk and an optical drive. In connection with the motherboard, the correct connection method should be to attach the hard disk to the IDE1 interface of the motherboard, and the optical drive is attached to the IDE2 interface of the motherboard. Times are different, with large-capacity hard drives and DVD burner prices and popularity, many users have upgraded the computer's hard disk and optical drive. The following is the user does not know how to connect, many users will be the CD-ROM drive and the hard disk and the motherboard will have a wide range of problems, the same system will not be installed because the connection is not correct to find the optical drive phenomenon.

For example, with two hard drives and two optical drives, a reasonable connection method should be: Two hard drives are connected to the IDE1 interface of the motherboard, the jumper of one hard disk is set to the main disk, the other is set to from disk, the two optical drives are attached to the IDE2 interface of the motherboard respectively, and the main disk and the disk of the optical drive are set respectively.

Tip: When setting up the master and slave disks for two hard drives and two optical drives, it is best to set the performance of the device as the main disk to improve the performance of the system. As an example of a DVD burner and a CD-ROM, here we set the DVD burner to be used as the master disk, and set up DVD-ROM to be used from disk. In general, we use DVD-ROM to play the movie, this system is not too high, and the DVD burner when burning the disc, the system requirements are relatively high, set as the main disk to improve the success rate of burning.

2. Properly set the motherboard BIOS

Properly installed after the optical drive, we will be on the boot into the system sometimes can not find the drive letter, this time should be taken into account is the motherboard BIOS settings are correct. Most of the current motherboard defaults should be the Biso IDE device is turned on, but in some cases, only two IDE devices open the main channel, and the secondary channel is closed. In this case, all we need to do is go to the BIOS setup of the motherboard and set the primary and secondary channels of the motherboard's two IDE devices to "AUTO" respectively.

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