Acer Aspire 4339 4739 4739Z Notebook Series Service Guide
Page 134
... following . 1. Makes sure the power cable is still not resolved, refer to the computer and the electrical outlet. 2. If the Issue is properly connected to Online Support Information. 4-4 Troubleshooting Plug the computer directly into a known serviceable electrical outlet. 4. Disconnect the power and open the casing to check the thermal unit and fan airways...
... following . 1. Makes sure the power cable is still not resolved, refer to the computer and the electrical outlet. 2. If the Issue is properly connected to Online Support Information. 4-4 Troubleshooting Plug the computer directly into a known serviceable electrical outlet. 4. Disconnect the power and open the casing to check the thermal unit and fan airways...
Acer Aspire 4339 4739 4739Z Notebook Series Service Guide
Page 159
...11. The machine provides one Hardware Open Gap on main board for clearing password check, and one hot key for the Aspire 4739Z. Use an electric conductivity tool to enter BIOS Setup menu. 10. Press F2 to short the two points of clearing password and BIOS recovery ...will ask the password during systems POST or when systems enter to clear the password by the following procedure is requested, repeat Steps 1 through 9. Plug in AC, keeping the CMOS jumper shorted. 8. Jumper and Connector Locations 5-5 Disconnect the RTC battery 5. Restart the system. If a password is ...
...11. The machine provides one Hardware Open Gap on main board for clearing password check, and one hot key for the Aspire 4739Z. Use an electric conductivity tool to enter BIOS Setup menu. 10. Press F2 to short the two points of clearing password and BIOS recovery ...will ask the password during systems POST or when systems enter to clear the password by the following procedure is requested, repeat Steps 1 through 9. Plug in AC, keeping the CMOS jumper shorted. 8. Jumper and Connector Locations 5-5 Disconnect the RTC battery 5. Restart the system. If a password is ...