Beep symptoms

Table 3. Beep symptoms

Symptom or error

FRU or action, in sequence

 

 

 

One beep and a blank, unreadable, or

1.

Reseat the LCD connector.

flashing LCD.

2.

LCD assembly.

 

3.

External CRT.

 

4.

System board.

 

 

 

One long and two short beeps, and a blank

1.

System board.

or unreadable LCD.

2.

LCD assembly.

 

3.

DIMM.

 

 

Two short beeps with error codes.

POST error. See “Numeric error codes” on

 

page 39.

 

 

 

Two short beeps and a blank screen.

1.

System board.

 

2.

DIMM.

 

 

 

Three short beeps, pause, three more short

1.

DIMM.

beeps, and one short beep.

2.

System board

 

 

 

One short beep, pause, three short beeps,

 

 

pause, three more short beeps, and one short

 

 

beep.

 

 

 

 

Only the cursor appears.

Reinstall the operating system.

 

 

Four cycles of four short beeps and a blank

System board (security chip)

screen.

 

 

 

 

Five short beeps and a blank screen.

System board

 

 

 

No-beep symptoms

Table 4. No-beep symptoms

Symptom or error

FRU or action, in sequence

 

 

 

No beep, power-on indicator on, LCD blank,

1.

Make sure that every connector is

and no POST.

 

connected tightly and correctly.

 

2.

DIMM.

 

3.

System board.

 

 

 

No beep, power-on indicator on, and LCD

1.

Reseat DIMM.

blank during POST.

2.

System board.

 

 

 

The power-on password prompt appears.

A power-on password or a supervisor

 

password is set. Type the password and

 

press Enter.

 

 

The hard-disk password prompt appears.

A hard-disk password is set. Type the

 

password and press Enter.

 

 

 

44ThinkPad T61 and T61p (14.1-inch) Hardware Maintenance Manual

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Lenovo T61p manual Beep symptoms, No-beep symptoms

T61, T61p specifications

The Lenovo T61, part of the ThinkPad series, is a notable business laptop that has garnered attention due to its durability, performance, and timeless design. Released in the mid-2000s, the T61 was engineered for professionals who require reliability and functionality on the go.

Key features of the T61 include its robust construction, conforming to military specifications for durability. This makes it resistant to extreme temperatures and shocks, ensuring it can withstand the rigors of everyday business travel. The laptop sports a classic black chassis with the signature ThinkPad styling, including the iconic red TrackPoint, which allows for precise navigation without having to use the touchpad.

In terms of performance, the T61 is equipped with Intel Core 2 Duo processors, offering solid processing power for multitasking and demanding applications. Users can choose from various configurations, with options for up to 4GB of RAM and multiple hard drive capacities, providing flexibility based on individual needs. The inclusion of Intel Graphics Media Accelerator or optional NVIDIA graphics offers decent visual performance, catering to both work and casual multimedia use.

Display options on the T61 are varied, featuring a 14.1 or 15.4-inch screen with a resolution of up to 1680x1050 pixels. Some models support a matte finish that reduces glare, enhancing usability in bright environments – a thoughtful design feature for professionals constantly on the move.

For connectivity, the T61 integrates various ports, including USB 2.0, Ethernet, and modem connections, along with options for Wi-Fi and Bluetooth. This ensures that users can stay connected seamlessly, whether in the office or on the road. Additionally, the laptop supports docking stations, allowing for a more efficient workspace setup by easily connecting multiple peripherals.

Battery life is another notable characteristic of the T61, with options for extended batteries that can provide hours of usage without needing to recharge. This mobility factor is essential for professionals who may be away from power outlets for extended periods.

Security features on the T61 include biometric fingerprint readers and optional TPM (Trusted Platform Module) functionality, emphasizing Lenovo's commitment to data security for business users.

Overall, the Lenovo T61 stands as a testament to Lenovo's dedication to creating reliable and efficient laptops tailored for professionals, balancing performance with practicality and durability. Its features and build quality have left a lasting impression, securing its place as a cherished classic in the realm of business laptops.