What should I do if the HP laptop optical drive does not read the disk, and the HP computer cannot r

Under the winxp system, the drive letter is missing, and the disc drive has a yellow exclamation mark in the device manager, but the disc can be booted, how to solve it?

Problem description. Under the winxp system, the drive letter is missing, and the disc drive has a yellow exclamation mark in the device manager, but the disc can be booted, how to solve it?

Solution. 1. You can try to uninstall the optical drive in the device manager and then restart the attempt to automatically identify, if it is invalid, you can try to reinstall the motherboard driver;

To uninstall the optical drive in Device Manager, right-click"My computer", select"Attribute (r).", as shown below:

Select in the System Properties window"Hardware"item, and then select"Device Manager (d).", open the Device Manager, click the plus sign in front of the optical drive device, right-click on the optical drive device that appears, and select"Uninstall (u).", and confirm that the device is deleted, as shown in the following figure:

2. If you have updated the driver of other hardware, try to uninstall the driver of the new version and replace it with the original driver.

3. If it still doesn't work, you can also test it by modifying the registry

First of all, refer to the method above, after entering the device manager, right-click on the optical drive device, select Uninstall, and uninstall the optical drive.

Then enter in Start-Run"regedit"Open the registry program as shown below

You should see the following primary keys"upperfilters"with"lowerfilters"and right-click on each of the keys to select them"Delete (d.)", and select it in the window that appears to confirm the deletion"Yes (y).", as shown below:

After exiting the registry program after deletion, restart your computer.

4. If it is still invalid, you can consider the method of system restoration after backing up important files and data, and the method of system restoration in WinXP system

Open Start - All Programs - Accessories - System Tools - System Restore as shown below

When choosing a restore point, the principle is to select a time when there is no problem, and the date indicated in bold is the available restore point, as shown in the following figure

5. If the above debugging operation still can't be solved, please consider backing up your important files and data and then restoring the system, if there is a one-click recovery system backup, please use the one-click recovery function to restore the system first; If there is no one-click restore system backup or there is a problem with the backup, you need to find the system disc to boot the installation system. To use the one-click recovery function, please refer to the manual of the machine.

Cause analysis. The disc can be booted, and it can be judged that the optical drive has no hardware failure, and the reasons that may cause this failure are:

1. The virus causes the registry to change, so that the drive letter is lost, and the disk cannot be read under the system, but the disc can be booted, even if the virus is removed after the virus is scanned, the corresponding registry information cannot be repaired.

2. Caused by driver conflicts, which are more caused by driving conflicts with sound cards.

Precautions. Modifying the registry is risky, please back up the registry and important data before doing so, and use it as appropriate according to your operational proficiency.

Vista itself is not very stable, let's use XP!

Otherwise, go to the warranty within the warranty period.

It could be stuck. If you want it, it's broken.

1.When reinstalling the system, if you use a system disc that does not integrate SATA driver to install it directly, the computer will prompt that the hard disk cannot be found.

2.Press F10 to enter the BIOS interface.

3.Locate the SATA settings;

4.Set the sata to disable

5.In this way, you can install the system normally after setting it up.

6.If the installation disc has been directly integrated with the hard disk SATA driver, then this setting is not required and can be installed directly.

There are several ways to install the SATA drive:

7.Use a floppy disk to make a SATA driver, and then use an external floppy drive to load the SATA driver by pressing F6 during system installation. This method requires the purchase of an external floppy drive;

8.There are ready-made installation disks with integrated SATA drivers on the Internet, such as Tomato Garden Edition, Walk in the Net Edition, etc. Choose a system with SATA driver and you're ready to install.

1.When reinstalling the system, if you use a system disc that does not integrate SATA driver to install it directly, the computer will prompt that the hard disk cannot be found.

2.Press F10 to enter the BIOS interface.

3.Locate the SATA settings;

4.Set the sata to disable

5.In this way, you can install the system normally after setting it up.

6.If the installation disc has been directly integrated with the hard disk SATA driver, then this setting is not required and can be installed directly.

There are several ways to install the SATA drive:

7.Use a floppy disk to make a SATA driver, and then use an external floppy drive to load the SATA driver by pressing F6 during system installation. This method requires the purchase of an external floppy drive;

8.There are ready-made installation disks with integrated SATA drivers on the Internet, such as Tomato Garden Edition, Walk in the Net Edition, etc. Choose a system with SATA driver and you're ready to install.

The optical drive is the most vulnerable device in the computer, and the average quality of the optical drive life is about one year, if it is used for a long time, or the optical drive is always put into the disc and not taken out, the optical drive life will be shortened. The bald head is aging, and the reading performance is reduced.

But the aging of the optical drive generally has a certain process, at the beginning of the pick-up, *** discs can still be read. Slowly, all the discs could not be read.

Sometimes the bald head is dirty and will also reduce the reading performance, you open the optical drive to see if there is any dust on the bald head, if you use a cotton swab to gently wipe it clean, remember to be light!

Try a new disk, optical drive picking.

If you change a lot, you can give the after-sales service **, and you can change the optical drive for free if you are in the warranty.

Since you've ruled out that the disc isn't broken, I'll tell you the bad news that your optical drive is broken. It could be that the motor won't start, or maybe it's something else, in short, a hardware problem!

Try changing a few disks, it's not good that the optical drive is aging, the optical drive of the notebook is the most vulnerable hardware to break, you go to the after-sales consultation.

It may be that the bald head of the optical drive is aging or stolen goods, and you wipe the bald head with alcohol to see if it works, otherwise you will have your own replacement optical drive.

What model is your laptop?

1. It is recommended that you first check whether the optical drive of your machine is *** optical drive, if the optical drive configured by your machine is not *** optical drive is a CD optical drive, then it is normal for your machine to be unable to read the optical disc.

Note: If the normal machine is a *** optical drive, there will be a *** or combo logo on the side panel of the optical drive.

Second, if your machine is a *** optical drive, it is recommended that you look for a regular pure installation version of the *** system installation disc according to the following method to set up the optical drive boot, to see if the machine can be guided into the system installation interface:

Restore your machine's BIOS defaults and put the installation disc into the optical drive, and restart your computer.

When the "HP Compaq" logo appears on the screen, press the "F9" key continuously.

Select "cd *** rom drive" and press the enter key to confirm.

Note: Due to the different models, the interface of the optical drive boot is slightly different, please select the one that represents the optical drive.

1. If the machine can boot into the system installation interface normally, then the hardware problem of your machine's optical drive is not big, and the problem you mentioned is likely to be caused by the system problem, it is recommended that you back up the data, restore or install the original operating system.

2. If your machine cannot enter the system installation interface, it is recommended that you contact the local HP maintenance center as soon as possible (click to view the information of HP maintenance centers around the country) for testing and processing, there may be a problem with the optical drive hardware.

We hope you find the above reply helpful.

1. Right-click in "My Computer", select "Management" in the shortcut menu, and open the "Computer Management" window;

2. In the computer management window, select "Disk Management" under "Storage", if you can see the U disk without drive letter;

3. If you have one, press the right mouse button on this USB flash drive, select the "Change Drive Name and Path" option, and the "Change ......" will be openedDrive Letter and Path dialog box;

4. Click the "Change" button to open the "Change Drive Letter and Path" dialog box, and select the drive letter you want to assign to the USB flash drive in the drop-down list on the right of "Specify the following drive letter", and select as far back as possible, such as x, y, z;

5. After making the selection, click the OK button to go back to the last "Change......The Drive Letter and Path dialog window, click OK again to return to the Computer Management window.

6. At this point, if everything is normal, a long-term drive letter is set for the U disk, which is not affected by the virtual drive.

Possible. Disk Management - Assign drive letters.

You biso inside reset the load to try!

Check it in the device manager, if not, you have to check the hardware connection, if there is, write it in the driver, and then restart yourself