How to Troubleshoot CD-ROM Read Errors
ID: q218617
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The information in this article applies to:
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Microsoft Windows 95
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Microsoft Windows 98
SUMMARY
This article describes how you can troubleshoot CD-ROM read errors. You
may encounter CD-ROM read errors when you attempt to install or start a
program, when you switch discs while using programs with multiple discs,
or when a program attempts to read data from another area on the disc.
MORE INFORMATION
To troubleshoot CD-ROM read errors, use the following methods in the order in which they are presented.
Inspect the CD-ROM
Inspect the CD-ROM for visible deformation or scratches. If the disc is damaged, contact Microsoft Sales at 800-360-7561 to obtain a replacement CD-ROM. You can also order it online at the following Microsoft Web site:
http://parts.microsoft.com
NOTE: If the CD-ROM was provided with your computer, you need to
contact your computer manufacturer to obtain a replacement CD-ROM.
For information about how to contact your computer manufacturer, click the appropriate article number
below to view the article in the Microsoft Knowledge Base:
Q65416
Hardware and Software Third-Party Vendor Contact List, A-K
Q60781
Hardware and Software Third-Party Vendor Contact List, L-P
Q60782
Hardware and Software Third-Party Vendor Contact List, Q-Z
If the issue continues to occur, proceed to the next method.
Clean the CD-ROM
Clean the CD-ROM. To do this, use a CD-ROM cleaning kit, or gently wipe
the silver side of the CD-ROM with a soft, lint-free cotton cloth. Do not
use paper cloth which can scratch the plastic and leave streaks. When you
clean the CD-ROM, wipe from the center of the disc outward. Do not use a
circular motion.
If the issue continues to occur, clean the CD-ROM with a damp cloth or a commercial CD cleaning solution. Dry the CD-ROM thoroughly before you insert it into the CD-ROM drive.
If the issue continues to occur, proceed to the next method.
Clean the CD-ROM Drive
If cleaning the CD-ROM does not resolve the issue, clean the CD-ROM drive using a CD-ROM drive cleaning disc. CD-ROM drive cleaning discs are available in most computer stores.
If the issue continues to occur, proceed to the next method.
Make Sure You Are Using Protected Mode CD-ROM Drivers
Make sure you are using protected mode (32-bit) drivers for your CD-ROM
drive. To do this:
- Click Start, point to Settings, and then click
Control Panel.
- Double-click System.
- Click the Performance tab, and then confirm that the File
System entry is 32-bit. If the File System entry is Some
drives are using MS-DOS compatibility, you may be using real mode
(16-bit) CD-ROM drivers. If this is the case, you may not be able to
read certain files on the CD-ROM.
Contact the manufacturer of your CD-ROM drive to obtain an updated,
protected mode driver for your CD-ROM drive.
- Click OK, and then close Control Panel.
If the issue continues to occur, proceed to the next method.
Reduce CD-ROM Drive Caching
To reduce CD-ROM drive caching:
- Click Start, point to Settings, and then click
Control Panel.
- Double-click System.
- On the Performance tab, click File System.
- On the CD-ROM tab, move the Supplemental Cache Size
slider to the Small position.
- In the Optimize Access Pattern For box, click No
Read-Ahead.
- Click OK, and then click Close.
- When you are prompted to restart your computer, click Yes.
If the issue continues to occur, proceed to the next method.
Disable Auto-Insert Notification
NOTE: If you disable Auto-Insert Notification, your programs can
no longer start automatically.
To disable Auto-Insert Notification:
- Click Start, point to Settings, and then click
Control Panel.
- In Control Panel, double-click System.
- On the Device Manager tab, click the PLUS SIGN (+)
next to CDROM to expand the branch.
- Click your CD-ROM drive, and then click Properties.
- On the Settings tab, click to clear the Auto Insert
Notification check box.
- Click OK, and then click OK again.
- Close Control Panel, and then restart the computer.
Remove Duplicate CD-ROM Drives
Remove any duplicate CD-ROM drives being loaded by Windows. To do this:
- Click Start, point to Settings, and then click
Control Panel.
- Double-click System.
- On the Device Manager tab, click View Devices By Type.
- Double-click the CDROM branch to expand it.
- Note the properties for each device listed in the branch. To do this:
- Click a device, and then click Properties.
- Click each tab in the device properties dialog box, and then
record the device information and settings.
- Click OK.
- Click OK, and then close Control Panel.
- Restart Windows in Safe mode. To do this, use the appropriate
method for your version of Microsoft Windows.
Windows 95
Restart the computer. When you see the "Starting Windows 95"
message, press the F8 key, and then select Safe Mode
on the Startup menu.
Windows 98
Restart your computer, press and hold down the CTRL key when
your computer completes the Power On Self Test (POST), and then
select Safe Mode on the Startup menu.
- When Windows starts in Safe mode, click OK.
- Click Start, point to Settings, and then click
Control Panel.
- Double-click System.
- On the Device Manager tab, click View Devices By Type.
- Double-click the CDROM branch to expand it.
- Verify that there are no changes in the list of devices in the
branch. If you see a device that is not in the list of devices you noted
in step 5, click the new device, and then click Remove. Repeat
this step for each device in the branch that is not in the list of
devices you noted in step 5.
NOTE: If you see new copies of a device that is in the list of
devices you noted in step 5, check the properties of each copy of the
device. If the properties for the device match the properties you
recorded, keep the device. If the properties for the device do not match
the properties you recorded, remove the device.
- Click OK.
- When you are prompted to restart the computer, click OK.
Additional query words:
compact disc disk cannot cdr101 warped dirty
Keywords : kbenv kbhw kbimu
Version : WINDOWS:95
Platform : WINDOWS
Issue type : kbhowto
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