Explanation of Error Codes Generated by Device Manager
The information in this article applies to:
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 2000 Advanced
Server
- Microsoft Windows 2000 Professional
- Microsoft Windows 2000 Server
- Microsoft Windows 98 Second
Edition
- Microsoft Windows Millennium
Edition
SUMMARY
This article lists error codes that may be reported by Device Manager,
and provides possible resolutions. To view error codes, follow these
steps:
- Click Start, point to Settings,
and then click Control Panel.
- In Control Panel, double-click
System.
- Click the Device Manager tab.
- Double-click a device type (for
example, double-click Mouse) to see the devices in that category.
- Double-click a device to view
its properties. If an error code has been generated, the code
appears in the Device Status box on the General tab. In some cases,
there will be a Solution button (Windows 98 only).
MORE INFORMATION
Code 1
This device is not configured correctly. (Code 1)
To update the drivers for this device, click Update Driver. If that
doesn't work, see your hardware documentation for more information.
Solution button: Update Driver
This code means that the system has not had a chance to configure
the device. To resolve the problem, follow the instructions in the
Device Status box. In addition, you may be able to resolve this
issue by removing the device in Device Manager, and then running
the Add New Hardware wizard from Control Panel.
Code 2
Depending on which device is failing, you may see
either of two different messages. This code means that the device
loader (DevLoader) did not load a device. When this device is a
Root Bus DevLoader (for example, ISAPNP, PCI, or BIOS), the following
message is displayed
Windows could not load the driver for this device because
the computer is reporting two <type> bus types. (Code 2)
Contact your computer manufacturer to get an updated BIOS for your
computer.
where <type> is ISAPNP, PCI, BIOS, EISA, or ACPI.
Solution button: None
When the device is not a root bus DevLoader, the following message
is displayed
The <type> device loader(s) for this device could
not load the device driver. (Code 2)
To fix this, click Update Driver to update the device driver.
where <type> is the DevLoader such as FLOP, ESDI, SCSI, and
so on.
Solution button: Update Driver
In addition to following the recommended solution, try removing
the device from Device Manager, and then running the Add New Hardware
wizard.
Code 3
The driver for this device may be bad, or your system may
be running low on memory or other resources. (Code 3)
To update the drivers for this device, click Update Driver. To check
your computer's memory and system resources, right-click My Computer
on your desktop, click Properties, and then click the Performance
tab.
Solution button: Update Driver
As an alternative, use Device Manager to remove the device and then
run the Add New Hardware tool in Control Panel.
Code 4
This device is not working properly because one of its
drivers may be bad, or your registry may be bad. (Code 4)
To Update the drivers for this device, click Update Driver. If that
doesn't work, run Scanregw.exe (click Start, click Run, type Scanregw.exe,
and then click OK) to check your registry.
Solution button: Update Driver
This code indicates that the .inf file for this device may be incorrect
or the registry may be damaged. This error code is displayed if
the .inf file specifies a field that should be text, but is binary
instead.
In addition to following the recommended suggestions, use Device
Manager to remove the device and then run the Add New Hardware tool
in Control Panel. If you continue to receive this error code, please
contact the hardware's manufacturer for an updated .inf file.
Code 5
The driver for this device requested a resource that Windows
does not know how to handle. (Code 5)
To fix this, click Update Driver to update the driver for this device.
Solution button: Update Driver
This code indicates that there was a device failure due to the lack
of an arbitrator. If a device requests a resource type for which
there is no arbitrator, you receive this error code.
To resolve this problem, update the driver as suggested, or use
Device Manager to remove the device and then run the Add New Hardware
tool in Control Panel.
Code 6
Another device is using the resources this device needs.
(Code 6)
To fix this, shut down your computer, turn it off, and then change
the resources for this device. When you have finished, start Device
Manager and change the resource settings for this device
Solution button: Hardware Troubleshooter
This code means that there is a conflict between this device and
another device.
To resolve this error code, see the "Troubleshooting Conflicting
Hardware" topic in Windows 95 Help, or see the following article
in the Microsoft Knowledge Base:
ARTICLE-ID: Q133240
TITLE : Troubleshooting Device Conflicts with Device Manager
Code 7
The message text that is displayed for this error
is specific to the driver or enumerator. If the driver does not
provide information as to why it failed, the following message is
displayed:
The drivers for this device need to be reinstalled. (Code
7)
To reinstall the drivers for this device, click Reinstall Driver.
Solution button: Reinstall Driver
This code means that no configuration can be performed on the device.
If the device works correctly, you do need not to perform any steps
to correct the code. If the device does not work correctly, use
Device Manager to remove the device and then run the Add New Hardware
tool in Control Panel. If you continue to receive this error code
and the device does not function properly, check with the hardware
manufacturer for an updated driver.
Code 8
Several different
error messages can be displayed for this error code. This code means
that the device loader (DevLoader) for a device could not be found.
For example, the .inf file for the device may refer to a missing
or invalid file.
The following error situations are included in this error code:
- A system DevLoader is one that
is part of Vmm32.vxd, and typically begins with an asterisk (*).
If the DevLoader is a system DevLoader, the following text is
displayed
This device is not working properly because Windows cannot
load the file <name> that loads the drivers for the device.
(Code 8)
To fix this problem, run Windows Setup again using your Windows
CD-ROM.
where <name> is the system DevLoadert that cannot be found.
Solution button: None
- If this is not a system DevLoader
and the DevLoader cannot be found (the file is missing), the following
text is displayed
This device is not working properly because Windows cannot
find the file <name> that loads the drivers for the device.
(Code 8)
To fix this problem, click Reinstall Device to reinstall this device.
where <name> is the DevLoader that is missing.
Solution button: Reinstall Driver
- If this is not a system DevLoader
and it can be found on the disk (the file does exist), the following
text is displayed:
This device is not working properly because the file <name>
that loads the drivers for this device is bad. (Code 8)
To fix this problem, click Update Driver to update the drivers for
this device."
where <name> is the name of the DevLoader.
Solution button: Update Driver
- If the DevLoader entry is a
software key for this device that is missing or an empty string,
the following text is displayed:
Device failure: Try changing the driver for this device.
If that doesn't work, see your hardware documentation. (Code 8)"
Solution button: Update Driver
For most cases, the
resolution is to reinstall or update the driver. As an alternative,
use Device Manager to remove the device and then run the Add New
Hardware tool in Control Panel. If you continue to receive this
error code, contact the hardware's manufacturer about updated drivers.
When the problem DevLoader is a system DevLoader, Windows should
be re-installed because this driver is built into the Vmm32.vxd
file.
Code 9
The text for this error code varies, depending
on whether or not the device is BIOS/ACPI enumerated. If this is
a BIOS or ACPI enumerated device, the following text is displayed:
This device is not working properly because the BIOS in
your computer is reporting the resources for the device incorrectly.
(Code 9)
Contact your computer manufacturer to get an updated BIOS for your
computer.
Solution button: None
If this is not a BIOS or ACPI enumerated device (such as an add-in
adapter or a device that was plugged in to the computer), the following
text is displayed:
This device is not working properly because the BIOS in
the device is reporting the resources for the device incorrectly.
(Code 9)
Contact the device manufacturer to get an updated BIOS for your
device.
Solution button: None
This code means that the information in the registry for this device
is invalid.
It may be possible to resolve this error by using Device Manager
to remove the device and then running the Add New Hardware tool
in Control Panel. If you continue to receive this error code, contact
the hardware's manufacturer for the proper registry settings or
updated drivers.
Code 10
If the device has a "FailReasonString"
value in its hardware key, that string is displayed as the error
message. The driver or enumerator places this registry string value
there. If there is no "FailReasonString" in the hardware
key, the following generic error message is displayed:
This device is either not present, not working properly,
or does not have all the drivers installed. (Code 10)
Try upgrading the device drivers for this device.
Solution button: Update Driver
To resolve this error code, make sure the device is connected to
the computer correctly. For example, make sure all cables are plugged
in fully and that all adapter cards are properly seated. Follow
the suggested solution button and update the device driver. It may
be possible to remove the device and redetect it using the Add New
Hardware wizard.
Code 11
Windows stopped responding while attempting to start this
device, and therefore will never attempt to start this device again.
(Code 11)
For more information, look up ASD in Windows Help.
Try upgrading the device drivers for this device.
Solution button: Update Driver
To resolve this error, run the Automatic Skip Driver utility from
the System Information tool. If the problem persists, contact the
hardware manufacturer for updated drivers.
Code 12
This device cannot find any free <type> resources
to use. (Code 12)
If you want to use this device, you must disable another device
that is using the resources this device needs. To do this, click
Hardware Troubleshooter and follow the instructions in the wizard.
where <type> is a resource type (IRQ, DMA, Memory, or I/O).
Solution button: Hardware Troubleshooter
This code means that one of the resource arbitrators failed. This
can occur if the device is software configurable and it does not
currently have a resource (if the system is out of resources). For
example, all the interrupts are in use, or the device requests a
resource that is currently in use by another device that will not
release the resource.
To resolve this problem, follow the instructions in the Hardware
Troubleshooter. In addition, see the "Troubleshooting Conflicting
Hardware" topic in Windows 95 Help, or see the following article
in the Microsoft Knowledge Base:
ARTICLE-ID: Q133240
TITLE: Troubleshooting Device Conflicts with Device Manager
Code 13
This device is either not present, not working properly,
or does not have all the drivers installed. (Code 13)
To have Windows detect whether this device is present or not, click
Detect Hardware.
Solution button: Detect Hardware
This code indicates that the device driver did not find the hardware.
To resolve this error code, follow the recommended solution. As
an alternative, use Device Manager to remove the device and then
run the Add New Hardware tool in Control Panel.
Code 14
This device cannot work properly until you restart your
computer. (Code 14)
To restart your computer now, click Restart Computer.
Solution button: Restart Computer
To resolve this error code, shut down Windows, shut down your computer,
and then turn it back on.
Code 15
This device is causing a resource conflict. (Code 15)
To resolve the conflict, click Hardware Troubleshooter and follow
the instructions in the wizard.
Solution button: Hardware Troubleshooter
This code means that the device's resources are conflicting with
another device's resources, likely caused by re-enumeration.
To resolve this problem, follow the instructions in the Hardware
Troubleshooter. In addition, see the "Troubleshooting Conflicting
Hardware" topic in Windows 95 Help, or see the following article
in the Microsoft Knowledge Base:
ARTICLE-ID: Q133240
TITLE: Troubleshooting Device Conflicts with Device Manager
Code 16
Windows could not identify all the resources this device
uses. (Code 16)
To specify additional resources for this device, click the Resources
tab and fill in the missing settings. Check your hardware documentation
to find out what settings to use.
Solution button: None
This code means that the device was not fully detected. When a device
is not fully detected, all of its resources may not be recorded.
To resolve this error code, click the Resources tab in Device Manager
to manually enter the settings.
Code 17
The driver information file <name> is telling this
child device to use a resource that the parent device does not have
or recognize. (Code 17)
To fix this, click Update Driver to update the drivers for this
device.
where <name> is the .inf file for the device.
Solution button: Update Driver
This code means that the hardware is a multiple-function device
and the .inf file for the device is providing invalid information
on how to split the device's resources to the child devices.
To resolve this error code, use Device Manager to remove the device
and then run the Add New Hardware tool in Control Panel. If you
continue to receive this error code, please contact the hardware's
manufacturer about an updated .inf file.
Code 18
The drivers for this device need to be reinstalled. (Code
18)
To reinstall the drivers for this device, click Reinstall Driver.
Solution button: Reinstall Driver
This code means that an error has occurred and the device needs
to be reinstalled.
To resolve this issue, follow the recommended solution. If that
does not work, try removing the device from Device Manager and then
running the Add New Hardware Wizard in Control Panel.
Code 19
Your registry may be bad. (Code 19)
To check your registry, click Check Registry. If the registry is
bad, Windows will restart your system and go back to a previous
registry that is good.
Solution button: Check Registry
This code means that the registry returned an unknown result.
To resolve this issue, follow the recommended solution, which will
run Scanreg.exe. If this does not resolve the issue, type "scanreg
/restore" (without quotation marks) from a command prompt.
Finally, remove the device from Device Manager, and then redetect
it using the Add New Hardware tool in Control Panel.
Code 20
Windows could not load one of the drivers for this device.
(Code 20)
To fix this, click Update Driver to update the drivers for this
device.
Solution button: Update Driver
This code means VxD Loader (Vxdldr) returned an unknown result.
For example, there could a version mismatch between the device driver
and the operating system.
To resolve this issue, follow the recommended solution. If that
does not work, try removing the device from Device Manager and then
running the Add New Hardware Wizard in Control Panel.
Code 21
Windows is removing this device. (Code 21)
Close this dialog box, and then wait a few seconds. If this problem
continues, restart your computer.
Solution button: Restart Computer
This code means that the device has a problem that may be resolved
by restarting your computer.
To resolve this error code, shut down Windows, turn off your computer,
and then turn it back on.
Code 22
The text displayed for this error code differs
depending on the circumstances.
- If this device is disabled because
you disabled it using Device Manager, the following text is displayed:
This device is disabled. (Code 22)
Click Enable Device to enable this device.
Solution button: Enable Device
- If the device is not started,
the following text is displayed:
This device is not started. (Code 22)
Click Start Device to start this device.
Solution button: Start Device
- If the device is disabled by
a driver or program, the following text is displayed:
This device is disabled. (Code 22)
You can't enable this device because it has been disabled by a Windows
driver.
Solution button: None
This code means that
the device is either disabled or has not started.
To resolve this error code, follow the recommended solution. For
the third case, try removing the device in Device Manager, then
redetecting it using the Add New Hardware wizard. If the problem
persists, try a clean boot to rule out software interference. If
the error persists, contact the hardware manufacturer.
Code 23
The text displayed for this error code differs
depending on the Circumstances.
- If this device is a secondary
display adapter and the primary display adapter was located, the
following text is displayed:
This display adapter is functioning correctly. (Code 23)
The problem is with the main display adapter. To view the properties
for the main display adapter, click Properties."
Solution button: Properties
- If this device is a secondary
display adapter and the primary display adapter cannot be located,
the following text is displayed:
This display adapter is functioning correctly. (Code 23)
The problem is with the main display adapter. Fix the main display
adapter, and then this display adapter will work.
Solution button: None
- If this device is not a display
adapter, the following text is displayed:
The loaders for this device cannot load the required drivers.
(Code 23)
To update the device drivers, click Update Driver.
Solution button: Update Driver
This code means that
the device loader delayed the start of a device and then did not
inform Windows when it was ready to start the device.
To resolve this error code, verify the settings for the primary
display adapter in Display properties. Try removing the primary
and secondary display adapters from Device Manager, and then rebooting
to allow Windows to re-enumerate these devices. Verify that the
drivers are current and installed correctly.
For devices other than display adapters, follow the recommended
solution. If that does not work, try removing the device from Device
Manager and using the Add New Hardware wizard to redetect the device.
Code 24
The text displayed for this error code differs
depending on the type of device (legacy or Plug and Play).
- If this device is a legacy (root
detected) device, the following text will be displayed:
This device is either not present, not working properly,
or does not have all the drivers installed. (Code 24)
To have Windows detect whether this device is present or not, click
Detect Hardware.
Solution button: Detect Hardware
- If this is a Plug and Play device,
the following text is displayed:
This device is either not present, not working properly,
or does not have all the drivers installed. (Code 24)
Try upgrading the device drivers for this device.
Solution button: Update Drivers
This code means that
the device was not found (for example, it is missing or is not working
properly).
To resolve this error code, follow the recommended solutions. If
the device still does not work, make sure the device is connected
to your computer correctly. For example, make sure all cables are
correctly installed, or that the adapter cards are properly seated
in their slots.
Code 25
Windows is in the process of setting up this device. (Code
25)
To complete the setup, click Restart Computer to restart you computer.
Solution button: Restart Computer
This problem typically exists only during the first and second boots
after Windows Setup copies all the files. As such, if this code
is identified, it is likely an incomplete installation.
To resolve this issue, follow the recommended solution. Reinstalling
Windows may be required, depending on whether or not the reboot
resolves the issue.
Code 26
Windows is in the process of setting up this device. (Code
26)
To complete the setup, click Restart Computer to restart you computer.
Solution button: Restart Computer
This code means a device did not load. There may be a problem in
the device driver or not all the drivers were installed.
To resolve this error code, follow the recommended solution. If
this does not work, use Device Manager to remove the device and
then run the Add New Hardware tool in Control Panel. If you continue
to receive this error code, check with the hardware's manufacturer
or the Microsoft Software Library for an updated driver.
Code 27
Windows can't specify the resources for this device. (Code
27)
Click the Resources tab, and then select the basic configuration
for the resources this device uses. To see which resources this
device uses, see the documentation for this device.
Solution button: None
This code means that the portion of the registry describing possible
resources for a device does not contain valid entries. For example,
the device is marked as configurable, but the configuration information
in the .inf file is set to hardwired.
To resolve this error code, use Device Manager to remove the device
and then run the Add New Hardware tool in Control Panel. If the
device still does not work, consult the hardware manufacturer for
updated drivers or further assistance.
Code 28
The drivers for this device are not installed (Code 28).
To reinstall the drivers for this device, click Reinstall Driver
Solution button: Reinstall Driver
This code means the device was not installed completely.
To resolve this issue, follow the recommended solution. If that
does not work, try removing the device from Device Manager and using
the Add New Hardware wizard to redetect it. You may need to obtain
updated drivers if the error still occurs.
Code 29
This device is disabled because the BIOS for the device
did not give it any resources. (Code 29)
You must enable the device in the BIOS. See your hardware documentation
for details, or contact your computer manufacturer to get an updated
BIOS.
Solution button: None
This code means that the device has been disabled because the device
does not work properly and cannot be made to work properly with
Windows. This code may also be present if the device is intentionally
disabled in the BIOS.
You may be able to resolve this error code by enabling or disabling
the device in the computer's CMOS settings. Windows cannot override
this setting. Please contact the computer's manufacturer for assistance
with using the computer's CMOS configuration program.
Code 30
This device is using an Interrupt Request (IRQ) resource
that is in use by another device and cannot be shared. You must
change the conflicting setting or remove the real-mode driver causing
the conflict. (Code 30)"
Solution button: None
This code means that an IRQ cannot be shared. This may occur when
a PCI/EISA SCSI controller is sharing an IRQ that is also in use
by a real-mode device driver that Windows cannot change.
To resolve this error code, remove the real-mode driver that is
using the same IRQ as this device. The real-mode driver may be loading
in the Config.sys or Autoexec.bat file.
Code 31 (new in Windows 98)
This device is not working properly because <device>
is not working properly. (Code 31)
To view the properties for <device> and see why it is not
working, click Properties."
where <device> is the dependent device that must be fixed
in order for this device to work properly.
Solution button: Properties
This code appears when a device is dependent on another device to
be functioning correctly. This does not include devices that are
enumerated by the parent device.
The Properties button displays the properties for the other device.
More than likely, the other device will also have one of these Device
Manager error codes. Follow all the recommended solutions. If the
devices still do not work, remove them from Device Manager and use
the Add New Hardware wizard to redetect them. Finally, consult with
the hardware manufacturer for updated drivers.
Code 32 (new in Windows 98)
Windows cannot install the drivers for this device because
it cannot access the drive or network location that has the setup
files on it. (Code 32)
To fix this problem, click Restart Computer to restart your computer.
If that doesn't work copy all the setup files onto your local hard
disk, and run setup from there.
Solution button: Restart Computer
This code indicates that the installation disk or CD-ROM was not
available to install the drivers. For example, the CD-ROM drive
or network connection is not available. This error typically occurs
during the first or second reboot after all the files are copied
during Setup.
To resolve this issue, first attempt to restart as suggested. If
this does not resolve the problem, determine why the installation
disk or CD-ROM is not available. Typically, these devices also have
Device Manager codes (such as the CD-ROM controller or network adapter).
Resolve the issue to gain access to the installation disk or CD-ROM
prior to resolving this conflict.
Code 33 (new in Windows 98)
The message text that is displayed for this error
is specific to the driver or enumerator. If the driver does not
provide information as to why it did not work, the following message
is displayed:
This device isn't responding to its driver. (Code 33)
For more information, contact your hardware vendor."
Solution button: None
This code typically is displayed when the hardware has failed.
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