Reinstall Win 7 From Disk but the Computer Won't Read?

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HP PCs - Drive Cannot Read Discs (Windows 7)

This document pertains to HP and Compaq PCs with Windows 7.

Use the steps in this document to troubleshoot issues with CD and DVD drives reading discs.

Before you brainstorm troubleshooting your CD bulldoze in Windows 7

Tin your drive read some types of discs but not others? If your drive is unable to read discs that were purchased from a shop, those from a music or software company, skip this section and get-go troubleshooting at Footstep 1.

If the drive cannot read discs that were burned on another computer, read the post-obit:

• First, make sure the disc is able to play dorsum from the computer that was used to fire it. If that computer cannot play it, something is incorrect with the disc or the other estimator'south burn capabilities.

• Make certain the disc blazon is compatible with both the reckoner burning the disc and the computer playing the disc (CD-R, DVD+R, etc...) See the document Disc Format and Compatibility Information.

• Brand certain the disc burning session was closed after the disc was finished. Run across the help department in the disc burning software that was used to burn down the disc.

• Try burning the disc at a lower speed. Even though the disc type may exist uniform with a 16x fire rate, the playback may be much less compatible in other drives. Try burning the disc at 4x before playing information technology from other computers.

• Make sure that yous have tried burning and playing from three dissimilar brands of blank discs before troubleshooting the drive.

Pace 1: Checking if the CD bulldoze is in Device Managing director on computers running Windows 7

If nothing happens in Windows when a disc is inserted into the bulldoze, the drive might not be detected in Windows. Use these steps to encounter if the CD/DVD drive is recognized in Device Manager.

1. Click Start , and enter Device Manager into the Search field. Click Device Manager.

   Figure : Opening Device Manager

   

2. Double-click DVD/CD-ROM drives.

   Figure : Device Manager

   

3. If a proper name for a CD/DVD drive is not listed in Device Director, the rest of these troubleshooting steps will not help. Instead refer to the HP support document CD or DVD Drive is not Detected (Windows 7).

   If the CD or DVD bulldoze is listed, continue using these steps to troubleshoot problems related to disc.

Step 2: Making sure AutoPlay is set on computers running Windows 7

One possible reason for a non-responsive CD/DVD drive is AutoPlay existence turned disabled. If AutoPlay is set to have no action when discs are inserted or if AutoPlay is not enabled, null may happen when a disc is inserted. Even though you may want to open discs through Windows Explorer or other software ways, apply the following steps to brand certain AutoPlay is enabled then that discs can be more easily tested in future steps:

1. Click Start , and then click Default Programs.

2. Click Modify AutoPlay settings.

   Figure : Default Programs

   

3. Make sure Utilize AutoPlay for all media and devices is selected. If non, select it.

   Figure : AutoPlay settings

   

4. Select Ask me every time side by side to every CD and DVD detail.

5. Click Save when done.

Footstep 3: Checking discs computers running Windows vii

Common causes for CD/DVD failures are damaged or poorly manufactured discs. Plastic discs tin can be easily scratched and data on the disc tin be destroyed if left in the sun. Discs damaged past sun must be replaced. If a disc is scratched, endeavour to clean or repair the disc. Most dwelling electronic stores offering disc repair kits at minimal cost.

circumspection:

When using disc repair kits, allow actress drying time above that required past the manufacturer. If the liquid from the repair kit has not stale thoroughly, the liquid may come off of the disc when the disc spins upwards. This can damage the optics inside the bulldoze and make matters much worse.

Use the following steps to help decide if discs or the drive need further attention:

1. Insert a software CD (similar a game or business software) into the CD or DVD drive and note what happens.

   • If an AutoPlay window opens, the drive is able to read the disc. The data stored on the disc may still be bad, but an AutoPlay window proves that the drive can read data on the disc.

   • If zilch happens or the computer stops responding, the laser is unable to read the initial startup data on the disc. Press the eject button to retrieve the disc and unlock the calculator.

2. Attempt more software CDs to get an idea for how the bulldoze is functioning. Insert at to the lowest degree three more than software discs in the same mode. Utilise discs that are in expert status and are known to work in other drives. Note what happens.

   • If any discs fail to open, set up the failed discs aside.

   • If all discs pass, the drive can read the startup data on the discs and the bulldoze is good. Bad data, scratches, or smudges on discs is preventing the bulldoze from reading the data. Repair or supplant the bad discs.

3. Echo these steps using music CDs and DVDs (if your computer has a DVD drive). Use discs from different manufacturers and recording labels. This can assistance determine if the drive has a trouble reading certain types of disc formats.

4. In one case you have tested several types of discs, try using the failed discs in some other drive in some other computer to see if they tin can be read.

   • If the discs fail in another drive on another calculator, the discs are probably bad.

   • If the discs tin be read in the other estimator, go along using these steps to troubleshoot the bulldoze.

Footstep 4: Reading a disc from a command prompt in Windows 7

Sometimes, a computer with an unresonsive CD/DVD drive tin read discs from command prompts. Confirm that the drive can read discs from a command prompt. Use the following steps to test the discs and the drive from a command prompt:

1. Click Start , and enter CMD into the Search field. Click cmd.exe.

   Figure : Opening Control Prompt

   

2. Enter diskpart at the command prompt.

   Figure : Command Prompt

   

3. Insert a disc that contains files into the drive that is having the trouble. Utilize a type of disc that is not being recognized in the drive. Good discs to use are game or software discs that were purchased from a store. Do not use music discs. If the DVD bulldoze tin can read CDs but non DVDs, insert a DVD movie.

4. Wait about 20 seconds for the disc to achieve total spin velocity.

5. Type listing volume at the command prompt.

6. Press Enter and look at the list. Detect and retrieve the drive letter (Ltr column) next to the CD or DVD drive Type that contains the disc.

   Figure : Listing Volume

   

7. Blazon Go out and printing the Enter key to render to the command prompt.

8. Type the drive letter for the drive that contains the disc followed by a colon (:). For example, if the drive letter of the alphabet was listed as E in the diskpart listing, yous would type the following: E:

9. Press the Enter key, and so enter the following at the new command prompt: dir

10. A listing of files and folders should display on the screen. Note whether or not the list displays for the disc.

11. Press Enter and type the following at the new command prompt: dir

12. Practise ane of the post-obit tasks depending on what is shown on the screen:

    • If a list of filenames and folders is shown on the screen, the disc information is recognized by the drive. The issue is not likely related to the drive or the disc. Information technology is probably related to the software configuration in Windows. Continue troubleshooting.

    • If the message "device is not set" is shown or the screen fails to update after thirty seconds, the disc or the drive may be bad. Repeat these steps with a few other discs of the same type to brand certain the problem is non related to the disc. If other discs of the same type cannot be read, skip to Footstep 8 to exam the drive to encounter if the drive has truly failed.

Step 5: Reinstalling the bulldoze in Device Director in Windows seven

1 possible solution to set an unresponsive CD/DVD drive is to remove and reinstall the drive proper name in Device Director:

1. Remove whatever discs that may be in the drive.

2. Click Offset , and enter Device Director into the Search field. Click Device Manager.

3. Double-click DVD/CD-ROM drives.

4. Correct-click the bulldoze name and select Uninstall.

   Effigy : Uninstall DVD/CD-ROM drive

   

5. Click Aye or OK to remove the CD or DVD listing.

6. Close Device Manager and restart the computer.

7. When Windows opens, expect until the Constitute new hardware wizard fully configures the drive.

8. When done, use the CD or DVD drive once more to come across if information technology tin can read discs. If information technology works, you are done. If information technology does not, become to the next step.

Step 6: Using the Hardware and Devices troubleshooter in Windows 7

Windows seven includes a troubleshooter that checks hardware, including CD or DVD drives, for bug. Follow these steps to apply the Hardware and Devices troubleshooter to cheque for problems with your CD/DVD drive:

1. Click Offset , and and so click Control Panel.

2. Under System and Security, click Find and set problems.

   Figure : System and Security department of Control Panel

   

3. Under Hardware and Audio, click Configure a device.

   Effigy : Troubleshooting computer problems window

   

   If y'all are prompted for an Administrator password or confirmation, type the password or provide confirmation.

4. Click Next.

5. Windows checks for problems. If the troubleshooter detects problems, follow the instructions to fix the trouble.

   If the drive is still missing after using the troubleshooter, continue to the next footstep.

Stride 7: Using Microsoft Windows 7 System Restore

If the computer still cannot read discs, utilise Organization Restore to go back to a time when the drive was known to be operation. For more information about using System Restore, employ the HP support certificate Using Microsoft System Restore in Windows 7.

When done, utilize the CD or DVD bulldoze once again to see if information technology tin read discs. If it works, you are done. If information technology does not, become to the next stride.

Footstep eight: Using hardware testing tools to test for a failed CD/DVD drive in Windows vii

If the figurer still cannot read discs, plough on the reckoner and use HP Back up Assistant or HP Hardware Diagnostics to exam the bulldoze for hardware failure.

If the bulldoze fails, supervene upon the drive.

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Source: https://support.hp.com/hk-en/document/c01897812

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