Installing Windows 7 on HP Compaq and EliteBook Notebook PCs

Appendix A: Known Anomalies
This is a partial list of anomalies observed during Windows 7 testing.
Docking / external video switching
Anomaly: Some models lock up when docking/undocking or switching video output.
Description: Listed models will exhibit anomalous behavior when an external display
device is connected directly to the system or through a docking base.
Affected Systems: 8530w and 8730w
Resolution: Shut down before attaching to or detaching external display devices.
Updated beta video drivers will be available in April on Windows Update which will
enhance behavior with external display devices.
Drive Encryption
Anomaly: Systems with BitLocker enabled might lock when resuming from hibernation.
Description: Tested models running Windows 7 Beta would lock up when attempting to
resume from hibernation with disc encryption enabled.
Affected Systems: All models
Resolution: While evaluating Windows 7 Beta, do not enable disc encryption. This should
be addressed in later Windows 7 builds.
Unrecognized devices in Device Manager
Anomaly: Several devices aren’t recognized after installing Windows 7 Beta
Description: Base System Device, Fingerprint Sensor, PCI Serial Port, PCI Simple
Communications Controller, and Unknown devices lack drivers in Device Manager.
Affected Systems: All models
Resolution: Run Windows Update. After Windows Update is run, Fingerprint Sensor and
PCI Serial Port and Simple Communications Controller will remain under “Other Devices”.
The Windows Vista fingerprint sensor driver can be installed, but has not been tested under
Windows 7. AMT drivers are not currently available for Windows 7.
Upgrade
Anomaly: Windows 7 Beta Upgrade is extremely slow
Description: When selecting the Upgrade option during Windows 7 installation, process
stalls or is extremely slow.
Affected Systems: All models
Resolution: Select Custom Install to perform a clean install when installing Windows 7
Beta on HP business notebooks. Remember to backup all data prior to installing any OS.
3D DriveGuard does not function
Anomaly: Hard drive does not park when the system is dropped with Windows 7 Beta
Description: HP 3D DriveGuard does not currently work under Windows 7 Beta.
Affected Systems: All models
Resolution: Windows 7 Beta is set to Sleep on lid close by default, which will park the
hard drive. A new version of HP 3D DriveGuard will be available at Windows 7 launch.