
How to Repair a corrupt E2B USB drive
Note: If prompted by Windows to format the drive - DO NOT FORMAT IT!
Windows 10? - try this first!
- Download and run NirSoft USBDeview.exe (USB Device Viewer).
- Highlight the USB drive
- Right-click - Uninstall Selected Devices
- Now unplug and reconnect the USB drive.
Troubleshooting Procedures
agFM menu issues
Ventoy menu issues
E2B/General issues...
'Sector at LBA30 appears to contain code' error
ERROR: PARTITION TABLE ENTRY #4 (Type=?) MUST BE EMPTY!
For all other errors...
If you have never used .imgPTN files then LBA1 should contain a backup sector.
2.2. RMPrepUSB - File -> Drive - mbr.bin (pick this file) - File Start=0 - Sector Start=0 - Length=0
This writes the file to LBA 0.
Tip: If this frightens you and you have used .imgPTN files, then instead run the .\MPI_Tool_Pack_Plus_CloverLite_0xx\csm\e2b\RestoreE2B (run as admin).cmd script from the MPI Tool Pack download. This should restore the original E2B partition table.
RMPrepUSB - Install grub4dos - Y=MBR - cancel copy of grldr if prompted.
2.3.1 Now we install grub4dos to the PBR - so run...
RMPrepUSB - Install grub4dos - N=PBR - cancel copy of grldr if prompted.
'Cannot find GRLDR' error
Repair a corrupt persistence partition?
Do not reboot to the E2B menu.
Message: 'Sector at LBA30 appears to contain code or grub4dos not installed - please reformat using RMPrepUSB'.
If it is booting to grub4dos and E2B correctly, you can fix this by over-writing LBA30 and LBA60 with the contents of LBA0 as follows using RMPrepUSB.
1. Select the E2B USB drive in the Drive List box in RMPrepUSB
2. Drive->File - MBR.BIN - Start = 0, Length=1SEC, FileStart=0
3. File->Drive - MBR.BIN - Start=0, USBStart=30, Length=0
Repeat the same command for LBA60
File->Drive - MBR.BIN - Start=0, USBStart=60, Length=0
Alternatively, you can boot to E2B, go to the grub4dos command prompt (shift+p - (enter the E2B password) - shift+c) and use the following commands:
dd if=(hd0)0+1 of=(hd0)30+1
dd if=(hd0)0+1 of=(hd0)60+1Stiil no good?
Recommended for Easy2Boot (fastest flash drive!)
SanDisk Extreme SDCZ880-128G-G46
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