3From the Windows desktop, click the Start button, point to Programs, point to Accessories, and click Notepad.

4Type some characters on the external keyboard and verify that they appear on the display. If you cannot verify these steps, you may have a defective external keyboard.

TO VERIFY THAT THE PROBLEM IS WITH THE EXTERNAL KEYBOARD, CHECK THE INTEGRATED KEYBOARD

1Shut down the computer.

2Disconnect the external keyboard.

3Turn on the computer.

4From the Windows desktop, click the Start button, point to Programs, point to Accessories, and click Notepad.

5Type some characters on the internal keyboard and verify that they appear on the display.

If the characters appear now but did not with the external keyboard, you may have a defective external keyboard. Contact Dell (see "Obtaining Assistance" on page 159).

RUN THE KEYBOARD DIAGNOSTICS TESTSRun the PC-AT Compatible Keyboards tests in the Dell Diagnostics (see "Dell Diagnostics" on page 83). If the tests indicate a defective external keyboard, contact Dell (see "Obtaining Assistance" on page 159).

Unexpected characters

DISABLE THE NUMERIC KEYPADPress <Num Lk> to disable the numeric keypad if numbers are displayed instead of letters. Verify that the numbers lock light is not lit.

Lockups and Software Problems

Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 163) as you complete these checks.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

The computer does not start up

EN S U R E T H A T T H E AC A D A P T E R I S F I R M L Y C O N N E C T E D T O T H E C O M P U T E R A N D T O T H E E L E C T R I C A L O U T L E T .

The computer stops responding

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

TURN THE COMPUTER OFFIf you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer turns off. Then restart your computer.

Troubleshooting

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Dell PP24L Lockups and Software Problems, Unexpected characters, Computer does not start up, Computer stops responding

PP24L specifications

The Dell PP24L, also known as the Dell Latitude E6430, is a robust and reliable laptop that has been designed primarily for business professionals and frequent travelers. This laptop combines functionality with durability, making it an ideal choice for those who require a dependable workhorse that can withstand daily use.

One of the standout features of the Dell PP24L is its solid build quality. It utilizes a magnesium alloy chassis and a brushed aluminum lid, which not only provide a premium feel but also enhance durability. The laptop has passed various military-grade tests, ensuring it can withstand harsh conditions like high temperatures, vibrations, and humidity.

In terms of performance, the PP24L is equipped with Intel’s third-generation Core processors, offering a range of options from i3 to i7. This ensures that users can select the right balance of power and efficiency for their tasks, whether it's basic document editing or demanding applications. The laptop supports up to 16GB of RAM, allowing for seamless multitasking and improved performance for more intensive applications.

The Dell PP24L also features a 14-inch display with an option for HD (1366 x 768) or HD+ (1600 x 900) resolution. The anti-glare screen is designed to reduce reflections, making it easier to work in various lighting conditions, a significant advantage for professionals who often find themselves in different environments.

Connectivity is another area where the Dell PP24L shines. It offers a range of ports, including USB 3.0, USB 2.0, HDMI, and a VGA port, as well as an optional ExpressCard slot and Smart Card reader for enhanced security features. This wide range of ports ensures that users can connect to various devices and peripherals without needing additional dongles or adapters.

Battery life is critical for mobile professionals, and the Dell PP24L does not disappoint in this aspect. It can be configured with different battery options, including a 6-cell or a high-capacity 9-cell battery, providing the flexibility needed for extensive use without the need for constant recharging.

In conclusion, the Dell PP24L is a versatile and durable laptop that meets the needs of business professionals and frequent travelers. With its solid build quality, powerful performance options, excellent connectivity, and long battery life, it continues to be a preferred choice for those seeking reliability in their computing devices.