Acer Aspire 8951G Service Manual page 191

2. Copy ROM (read-only memory) file, ZRH.fd, to root directory of USB HDD. Make sure that
there is no other BIOS file is saved in the same directory.
3. Insert USB HDD into USB port.
4. Remove battery power and AC power adapter. Refer to Getting Started.
5. Press Fn + ESC button and hold while plugging in AC power adapter.
6. The Power button flashes once.
7. Press Power button to initiate system CRISIS mode.
8. When CRISIS is complete, the system auto restarts with a workable BIOS.
9. Update the latest BIOS version for this machine by the regular BIOS flashing process.
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Jumper and Connector Locations