On AC adapter:

Solid white computer is powered on and battery is charged

Blinking white computer is in a standby state

Memory Problems

If you experience memory problems

Check if the memory module is compatible with your computer. Your computer supports DDR3 memory. For more information about the type of memory supported by your computer, see “Basic Specifications”

on page 50.

Run the Dell Diagnostics (see “Dell Diagnostics” on page 36).

Reseat the memory modules (see the Service Manual on the Dell Support website at support.dell.com) to ensure that your computer is successfully communicating with the memory.

Solving Problems

Lockups and Software Problems

If a program stops responding — End the program:

1.Press <Ctrl><Shift><Esc> simultaneously.

2.Click the Applications tab.

3.Select the program that is no longer responding.

4.Click End Task.

If the computer stops responding

NOTICE: You might lose data if you are unable to perform an operating system shutdown.

Turn the computer off. If you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button until the computer turns off and then turn your computer on.

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Dell 1340, P464C, PP17S setup guide Memory Problems, Lockups and Software Problems, If you experience memory problems