Table B-2Diagnostic Front Panel LEDs and Audible Codes (continued)

Activity

Beeps

Possible Cause

Recommended Action

 

 

 

 

 

Red Power LED flashes ten

10

Bad option card.

1.

Check each option card by removing the

times, once every second,

 

 

 

card (one at a time if multiple cards), then

followed by a two second

 

 

 

power on the system to see if fault goes

pause. Beeps stop after fifth

 

 

 

away.

iteration but LEDs continue

 

 

2.

Once a bad card is identified, remove and

until problem is solved.

 

 

 

 

 

 

replace the bad option card.

 

 

 

3.

Replace the system board.

 

 

 

 

 

Red Power LED flashes

11

The current processor

1.

Install a TXT capable processor.

eleven times, once every

 

does not support a

2.

Disable TXT in the Computer Setup (F10)

second, followed by a two

 

feature previously

second pause. Beeps stop

 

enabled on this system.

 

utility.

after fifth iteration but LEDs

 

 

3.

Reinstall the original processor.

continue until problem is

 

 

solved.

 

 

 

 

 

 

 

 

System does not power on

None

System unable to power

Press and hold the power button for less than 4

and LEDs are not flashing.

 

on.

seconds. If the hard drive LED turns green, the

 

 

 

power button is working correctly. Try the

 

 

 

following:

 

 

 

1.

Check that the voltage selector (some

 

 

 

 

models), located on the rear of the power

 

 

 

 

supply, is set to the appropriate voltage.

 

 

 

 

Proper voltage setting depends on your

 

 

 

 

region.

 

 

 

2.

Replace the system board.

 

 

 

OR

 

 

 

 

Press and hold the power button for less than 4

 

 

 

seconds. If the hard drive LED does not turn on

 

 

 

green then:

 

 

 

1.

Check that the unit is plugged into a

 

 

 

 

working AC outlet.

 

 

 

2.

Open hood and check that the power button

 

 

 

 

harness is properly connected to the

 

 

 

 

system board.

 

 

 

3.

Check that both power supply cables are

 

 

 

 

properly connected to the system board.

 

 

 

4.

Check to see if the 5V_aux light on the

 

 

 

 

system board is turned on. If it is turned on,

 

 

 

 

then replace the power button harness. If

 

 

 

 

the problem persists, replace the system

 

 

 

 

board.

 

 

 

5.

If the 5V_aux light on the system board is

 

 

 

 

not turned on, remove the expansion cards

 

 

 

 

one at a time until the 5V_aux light on the

 

 

 

 

system board turns on. It the problem

 

 

 

 

persists, replace the power supply.

 

 

 

 

 

140 Appendix B POST Error Messages

Page 149 Page 151
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Image 150
HP D3K31UT#ABA, Pro 3515 E3S87UTABA, D3K31UTABA, 3500p D8C44UTABA, D8C44UT#ABA, C7A35UT#ABA Appendix B Post Error Messages
Page 149 Page 151

E3S87UTABA, Pro 3515 E3S87UTABA, Pro 3400 XZ939UT#ABA, C7A31UT#ABA, Pro 3400 A7L25UT#ABA specifications

The HP D3K31UTABA, 3500p D8C44UTABA, C7A35UT#ABA, D3K31UT#ABA, and D8C44UT#ABA are part of HP's extensive lineup of business laptops and desktop computers, designed to meet the demanding needs of professionals and enterprises. Each model showcases HP's commitment to performance, durability, and user-friendly features, making them suitable for a range of applications in various business environments.

The HP D3K31UTABA is a compact and lightweight laptop that emphasizes portability without compromising performance. It typically features an Intel Core i5 or i7 processor, ensuring smooth multitasking and efficient handling of various applications. The device is usually equipped with a 13.3-inch or 14-inch display with Full HD resolution, offering vibrant colors and sharp visuals that enhance productivity during long hours of work. With a robust battery life, users can work on the go without worrying about frequent recharges.

In contrast, the 3500p D8C44UTABA is a more performance-oriented model tailored for enterprise users who require enhanced processing power and reliable connectivity. This laptop often includes features such as a durable chassis, spill-resistant keyboard, and advanced security options like fingerprint readers and TPM (Trusted Platform Module) for data protection. The 3500p is known for its balance of performance and mobility, making it ideal for professionals who travel frequently.

The C7A35UT#ABA is another strong contender in HP's portfolio, designed to provide exceptional versatility. This model typically features an AMD Ryzen processor, catering to users who prefer AMD for its robust performance in multi-threaded applications. Additionally, it often boasts a larger storage capacity through SSD options, ensuring fast data access and improved overall system responsiveness.

The D3K31UT#ABA and D8C44UT#ABA share similarities in design and performance but may differ in specifications such as RAM size, graphics capabilities, and ports for connectivity. Both models offer scalable configurations, allowing businesses to customize them according to their specific needs.

All these models benefit from HP's proprietary technologies such as HP Fast Charge, allowing users to recharge their batteries quickly, and HP Sure Start, which provides self-healing BIOS protection. They also come with HP’s security suite, ensuring data integrity and user privacy.

In summary, the HP D3K31UTABA, 3500p D8C44UTABA, C7A35UT#ABA, D3K31UT#ABA, and D8C44UT#ABA collectively represent HP's dedication to producing high-quality computing devices that cater to the diverse needs of today’s professionals. With a focus on performance, security, and durability, these models are well-equipped to enhance productivity in any business setting.
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