LevelOne KVM-0410 Manual - Page 15

Troubleshooting: LevelOne Ensure that all cables are well seated. Check that keyboard/mouse cables are not swapped. Label and bundle the cables for each computer to avoid confusion when connected to the KVM switch. Symptom Possible causes Recommended solutions Mouse does not Too many mouse driver Make sure there is only one work installed in the computer mouse driver installed in each computer. Improper mouse driver Use M/S mouse driver. VGA monitor Check the keyboard and Connect the cables according to works fine but mouse connection, be the keyboard and mouse marks keyboard and sure the cables are not on the connectors mouse do not swapped. work. Incorrect cables Only USB-PS/2 models support USB computer connection VGA image is Poor quality VGA cables Use UL-2919 rated, not clear double-shielded VGA cables No screen A power-on computer is Turn on a computer and select it image, or no not selected by the front pushbuttons OSD menu Unable to Incorrect KVM switch operate USB- model Sun server Sun mark is not selected in OSD menu Keyboard error Loose keyboard on boot connection Use only the USB-PS/2 KVM switch model and 1-to-2 cables. Invoke the OSD menu, move the light bar to the port, press to set the Sun mark on. Make sure keyboard cables are Well seated Alphabets on Improper resolution the TFT LCD settings Under Control Panel, set the VGA output of computers to display are blur or have match the highest resolution of the LCD monitor with "Large shadows. Font" for the best performance. Auto Scan does All PCs are off or only one Turn on computers not switch PC PC is turned on. Scan and the KVM mode works for power-on Set proper Scan Type in OSD switch beeps computers only and determine which PCs are from time to eye mark selected, do it in OSD. time while a red Scan type is eye mark indicator flashes selected but no power-up Press left CTRL key twice to PC is eye mark selected abort Auto Scan mode. in OSD. Press any front button to select a PC, and Auto Scan stops 27 LevelOne Master/slave Improper installation does not work procedures Make sure slave's CONSOLE is connected to Master's PC 1~ PC 8 port. Improper cables between Use only 1-to-3 PS/2 cables for the Mater and a Slave cascade connection KVM switch Press and hold the 1 and 2 push buttons to initiate K/M reset Remove any possible power supply to the slave (unplug all cables), before connecting it to the Master Keyboard The computer was in strokes shifted shifted state when last Press both SHIFT keys switched The ↑ and ↓ All PCs are off or only one Turn computers on. keys do not PC is turned on. Scan work in Manual mode works for power-on Press any other key to abort Scan computers only Manual Scan mode. Double OSD images at cascade configuration OSD menu is not at the proper position Can not select a computer connected to a slave Scan type is eye mark Set proper Scan type in OSD selected but no PC is eye and determine which PCs are mark selected in OSD. eye mark selected, do it in OSD. Improper slave Press pushbuttons 1 and 2 down connection procedures. for 2 seconds to activate K/M RESET Remove any possible power supply to the Slave (unplug all cables), before connecting it to the Master OSD menu has fixed Use :More\Position to resolution and its size select UL or UR. OSD menu varies as computer VGA may appear near the middle of resolution changes. the screen when LL or LR is selected. Improper Master unit Only Master ports PC1~PC8 can connection be connected to slaves. Improper slave unit connection Connect slave CONSOLE port to PC1~PC8 ports of the Master by 1-to-3 PS/2 cables Too many levels of slaves Only one level of slave units is allowed. Pop up OSD again to check if Master recognizes the slave connection. Look for triangle mark and the number before it. 28