After Installation Safeguard Easy 7 on Windows 7 Fujitsu Lifebook Notebook the reboot don't works - gray monitor and the Notebook crashes.

Hi Thomas,

Does the machine work if it's cold booted? How about resuming from hibernation?

Does Shift and F9 work?
If not please disable USB UEFI BIOS Support and save changes and exit.

If you're still having issues from there then I'd also recommend going through the following knowledgebase article to help in troubleshooting:

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Article ID:107781
Title:SafeGuard Device Encryption: Hotkeys and the POA
URL: https://sophos.com/kb/107781
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Please ensure that any new installations are using the latest POA configuration file, this will ensure that if there are any known issues with that machine SafeGuard will make adjustments for it during the install:

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Article ID: 65700
Title: SafeGuard Enterprise Client: Latest POA settings database file
URL: https://sophos.com/kb/65700
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Please let me know how you get on and if you need any further assistance.