Master Boot Record Save/Restore BIOS Feature for HP Business Notebooks and Desktops PSG Business Notebook Group - Technical white paper
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Notebooks 
User messages appear for each type of situation. 
Modified HDD MBR 
In this situation, the BIOS will post the following message and user options: 
Changed system HDD MBR 
  Enter 1 to overwrite backup MBR with HDD MBR 
  Enter 2 to overwrite HDD MBR with backup MBR 
  Enter 3 for No action 
System has different HDD 
In this situation, the BIOS will post the following message and user options: 
Found different HDD on the system 
  Backup current MBR of HDD? 
  Yes / No 
Different HDD with invalid MBR 
In this situation, the BIOS will post the following message and user options: 
Found different HDD with corrupted MBR 
  Overwrite HDD MBR with backup MBR? 
  Yes / No 
Corrupt HDD/MBR 
In this situation, the BIOS will post the following message and user options: 
Corrupted system HDD MBR 
  Overwrite HDD MBR with backup MBR? 
  Yes / No 
In each case, the BIOS takes appropriate action based on the user response. 
Desktops 
On desktops, the user messages are slightly different. 
Modified HDD MBR 
If the BIOS detects that the MBR is different from the one stored in NVRAM (SPI part), it displays this message and 
direction: 
1999-Master Boot Record has changed. 
  Press any key to enter Setup to Restore the MBR. 
System has different HDD 
If you replace the primary boot HDD with the MBR restore feature enabled, the BIOS displays the following message and 
direction: 
2000-Master Boot Record Hard Drive has changed. 
   Press any key to enter Setup to update the MBR Backup. 






