Observable Problems - Lenovo ThinkSystem SR665 V3 User Manual

monitors) can cause 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 in.) apart, and turn on the monitor.
Notes:
a. 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 in.).
b. Non-Lenovo monitor cables might cause unpredictable problems.
2. Reseat the monitor cable.
3. Replace the components listed in step 2 one at a time, in the order shown, restarting the server each
time:
a. Monitor cable
b. Video adapter (if one is installed)
c. Monitor
The wrong characters appear on the screen
Complete the following steps until the problem is solved:
1. Verify that the language and locality settings are correct for the keyboard and operating system.
2. If the wrong language is displayed, update the server firmware to the latest level. See
firmware" on page 189.
Monitor display fails when connected to the VGA connector of the server
Complete the following steps until the problem is solved:
1. Check and ensure that the server is turned on.
2. If there is a KVM connected between the monitor and server, remove the KVM.
3. Reconnect the monitor cables and ensure that the cables are connected correctly.
4. Try to use a monitor that has been verified without a problem.
5. If the monitor display still fails, do the following:
• If the VGA connector is on the front of the server:
a. Remove and reconnect the internal VGA cable. Ensure that the VGA cable is correctly connected
to the system board assembly. See
b. Replace the left rack latch with VGA. See
c. (Trained technician only) Replace the system I/O board.
• If the VGA connector is on the rear of the server:
a. (Trained technician only) Replace the system I/O board.

Observable problems

Use this information to solve observable problems.
• "Server hangs during the UEFI boot process" on page 223
• "The server immediately displays the POST Event Viewer when it is turned on" on page 223
• "Server is unresponsive (POST is complete and operating system is running)" on page 223
• "Server is unresponsive (POST failed and cannot start System Setup)" on page 224
ThinkSystem SR665 V3 User Guide
222
Chapter 6 "Internal cable routing" on page 167
"Rack latches replacement" on page
"Update the
122.