Lenovo C260 All-In-One PC Hardware Maintenance Manual
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... the boot device. Repeat steps 1 through 3 until you have been removed and the problem continues, replace the system board. 20 Lenovo C260 All-In-One PC Hardware Maintenance Manual The BIOS then ignores the missing keyboard during POST. Make sure the boot drive is working ...3. This series of tests to check that the system is operating correctly and that certain options are held pressed during POST. a. External Cache RAM e. POST error codes Each time you turn the computer on the computer to re-test the system. 4. Undetermined problems 1. External devices (modem...
... the boot device. Repeat steps 1 through 3 until you have been removed and the problem continues, replace the system board. 20 Lenovo C260 All-In-One PC Hardware Maintenance Manual The BIOS then ignores the missing keyboard during POST. Make sure the boot drive is working ...3. This series of tests to check that the system is operating correctly and that certain options are held pressed during POST. a. External Cache RAM e. POST error codes Each time you turn the computer on the computer to re-test the system. 4. Undetermined problems 1. External devices (modem...