Even on stable 4.90, you may encounter hiccups. Here are fixes:
Before installing multiMAN, your PS3 must already be running a software exploit. This depends on your console model: Custom Firmware (CFW): multiman ps3 4.90
Get multiMAN 04.85.01 BASE from Brewology. It works on 4.90 CFW/HEN. Avoid YouTube "auto-installer" files. Even on stable 4
| Problem | Solution | | :--- | :--- | | | Rebuild database: Hold power button until two beeps. Enter Recovery → “Rebuild Database.” | | Game shows black screen then returns to XMB | Disable BD Emulation in multiMAN settings. Or, update your CFW to Evilnat 4.90. | | External drive not detected | Ensure USB is plugged into the right-most port (Port 0). Also, format USB as MBR, not GPT. | | “Game cannot start. 80010017” error | You need a BD Mirror patch. Enable “BD Access” in multiMAN → Settings → Simulate BD. | | multiMAN cannot find my ISO files | Make sure ISOs are in PS3ISO on root of HDD or USB, not in a subfolder. | | I accidentally updated to OFW 4.90 | You lost CFW. You need a hardware flasher (E3 Flasher, Teensy) or a downgrade service. | It works on 4