Steps to fix can not access fastboot devices
Can't connect device with "Waiting for any device"Step 1: Make sure about the drivers, install properly on the computer.
Step 2: Right click "My Compuer" icon in desktop choose "manage".
Step 3: Choose "Devive Manager" in left menu. next find "Other devices" in menu right after this right click in Android device and choose update driver.
Step 4: Click browse my computer for drivers
Step 5: Click let me pick from a list of avalible drivers
Step 6: Click Android phone after this click next
Step 7: Click next and yes
Step 8: Successfully!