Monitor problems

Some monitors have their own self-tests. If you suspect a problem with your monitor, see the documentation that comes with the monitor for instructions for testing and adjusting the monitor.

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in Chapter 6, “Parts listing, RD230 Types 1043, 1044, 4010, and 4011,” on page 91to determine which components are customer replaceable units (CRUs) and which components are field replaceable units (FRUs).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom

Action

Testing the monitor

1.

Make sure that the monitor cables are firmly connected.

 

 

2.

Try using a different monitor on the server, or try using the monitor that is

 

 

being tested on a different server.

 

3.

Run the diagnostic programs. If the monitor passes the diagnostic programs,

 

 

the problem might be a video device driver.

 

4.

(Trained service technician only) Replace the system board.

 

 

 

The screen is blank.

1.

If the server is attached to a KVM switch, bypass the KVM switch to eliminate

 

 

 

it as a possible cause of the problem: connect the monitor cable directly to the

 

 

correct connector on the rear of the server.

2.Make sure that:

vThe server is turned on. If there is no power to the server, see “Power problems” on page 21.

vThe monitor cables are connected correctly.

vThe monitor is turned on and the brightness and contrast controls are adjusted correctly.

vNo POST errors are generated when the server is turned on.

3.Make sure that the correct server is controlling the monitor, if applicable.

4.See “Solving undetermined problems” on page 25.

The monitor has screen jitter, or 1.

If the monitor self-tests show that the monitor is working correctly, consider

the screen image is wavy,

the location of the monitor. Magnetic fields around other devices (such as

unreadable, rolling, or

transformers, appliances, fluorescent lights, and other monitors) can cause

distorted.

screen jitter or wavy, unreadable, rolling, or distorted screen images. If this

 

 

happens, turn off the monitor.

 

Attention: Moving a color monitor while it is turned on might cause screen

 

discoloration.

 

Move the device and the monitor at least 305 mm (12 inches) apart, and turn

 

on the monitor.

 

To prevent diskette drive read/write errors, make sure that the distance

 

between the monitor and any external diskette drive is at least 76 mm (3

 

inches).

2.

Reseat the monitor.

3. Replace the following components one at a time, in the order shown, restarting

 

the server each time:

 

a. Monitor

 

b. (Trained service technician only) System board

Chapter 3. Diagnostics 19

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Page 25
Image 25
Lenovo RD230 manual Monitor problems
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RD230 specifications

The Lenovo RD240 and RD230 are key players in the realm of enterprise-class servers, leveraging advanced technologies to deliver efficiency, reliability, and performance. These servers are designed to cater to the demands of small to medium-sized businesses, providing robust solutions for various workloads.

The Lenovo RD240 is a 2U rack server that features dual-socket support for Intel Xeon processors. This capability allows it to handle intensive computational tasks seamlessly, making it ideal for virtualized environments and database management. Equipped with up to 512GB of DDR3 memory, the RD240 ensures high memory bandwidth and reduced latency, improving overall system responsiveness.

In terms of storage, the RD240 supports a versatile range of options, with configurations allowing for up to twelve 3.5-inch hard drives or a combination of SSDs and HDDs. This flexibility enables businesses to tailor their storage solutions based on performance and capacity needs. Additionally, the server includes integrated RAID options, which enhance data protection and availability.

On the other hand, the RD230 is a compact 1U rack server that prioritizes space efficiency without compromising on performance. Like its larger counterpart, the RD230 supports dual Intel Xeon processors, but its design focuses on providing a more streamlined solution for environments with limited rack space. With support for up to 128GB of RAM, the RD230 can efficiently handle various applications, from web hosting to application serving.

Both servers are equipped with advanced management tools, such as the Lenovo XClarity Controller, which simplifies system monitoring and maintenance. This allows IT administrators to deploy updates, monitor hardware health, and manage resources with ease, leading to minimized downtime and optimized performance.

Furthermore, Lenovo places a strong emphasis on energy efficiency, ensuring that both the RD240 and RD230 have features like power management and cooling technologies. These innovations reduce their carbon footprint while lowering operating expenses, making them attractive choices for environmentally-conscious businesses.

In summary, the Lenovo RD240 and RD230 servers offer a blend of performance, flexibility, and efficient management, catering to the diverse needs of modern enterprises. With their robust features and reliable characteristics, they stand as dependable solutions for businesses looking to enhance their IT infrastructure while supporting future scalability.
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