Errors Without Messages - Lenovo NONE FOUND 3000 V100 Service And Troubleshooting Manual

Code Message
N/A* Parity Check 2 nnnn
N/A Press F1 to resume, F2 to
Setup, F3 for previous

Errors without messages

Problem: When I turn on the machine, nothing appears on the screen and the machine does not
beep while starting up.
Note: If you are not sure whether you heard any beeps, turn off the computer; then
turn it on again, and listen again. If you are using an external monitor, refer to
"Computer screen problems" on page 16.
Solution: If a user password is set, press any key to display the user password prompt, and then
type the correct password and press Enter.
If the user password prompt does not appear, the brightness level might be set to
minimum brightness. Adjust the brightness level by pressing Fn+F11.
If the screen still remains blank, make sure that:
v The battery is installed correctly.
v The ac adapter is connected to the computer and the power cord is plugged into a
working electrical outlet.
v The computer power is on. (Turn on the power switch again for confirmation.)
If these items are properly set, and the screen remains blank, have the computer
serviced.
When I turn on the machine, nothing appears on the screen, but I hear two or more
Problem:
beeps.
Solution: Make sure that the memory card is installed correctly. If it is, but the screen is still blank,
and you hear five beeps, have the computer serviced.
Problem: My screen goes blank while the computer is on.
Solution: Your screen saver or power management may be enabled. Touch the touch pad, or press
a key to exit the screen saver, or press the power switch to resume from standby or
hibernation mode.
Description
Parity error found in the I/O bus. BIOS attempts to locate the
address and display it on the screen. If it cannot locate the
address, it displays ????.
Displayed after any recoverable error message. Press F1 to
start the boot process or F2 to enter Setup and change the
settings. Press F3 to display the previous screen (usually an
initialization error of an Option ROM, i.e., an add-on card).
Write down and follow the information shown on the screen.
Solving computer problems
Chapter 3. Solving computer problems
13