HP EliteDesk 705 G1 Microtower Maintenance And Service Manual page 172

Control panel message
2220-USB Key Provisioning file has
mismatch version
Invalid Electronic Serial Number
Network Server Mode Active and No
Keyboard Attached
Parity Check 2
162 Chapter 9 POST error messages
Description
Provisioning file contained on the USB key
is not a valid version for the current ME
firmware.
Electronic serial number is missing.
Keyboard failure while Network Server
Mode enabled.
Parity RAM failure.
Recommended action
previous system BIOS version.
Otherwise, update the ME firmware
version.
3. If the error still persists, replace the
system board.
1. Reboot the computer.
2. If the error persists and system BIOS
has been recently updated, restore
previous system BIOS version.
Otherwise, update the ME firmware
version.
3. If the error still persists, replace the
system board.
Enter the correct serial number in Computer
Setup.
1. Reconnect keyboard with computer
turned off.
2. Check connector for bent or missing
pins.
3. Ensure that none of the keys are
depressed.
4. Replace keyboard.
Run Computer Setup and Diagnostic
utilities.