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419-Out of Memory Space for Option ROMs
41A-Front USB1/USB2 Not Connected
41B-Device in PCI Express Slot Failed To
Initialize
43A-USB Type-C I2C Not Connected
43B-More Than One USB type-C Cards Are
Installed
500–BIOS Recovery
70x-Wireless Mode Not Supported
800-Keyboard Error
801-Keyboard or System Unit Error
900-CPU Fan Not Detected
901-Chassis, Rear Chassis, or Front Chassis Fan
not Detected
903-Computer Cover Has Been Removed Since
Last System Startup
904-SATA Cabling Error
Description
Recently added PCI expansion card contains an
option ROM too large to download during POST.
Front USB cable has been detached or unseated
from system board.
There is an incompatibility or problem with a
PCIe device and the system or PCIe link could
not be configured to a valid bus width or speed.
Cable is required between I2C on card and USB-
C on the system board.
More than one USB type-C card is installed.
A system BIOS recovery has occurred.
The system has detected a wireless module
installed in the system that is not supported
and has been disabled.
Keyboard failure.
Keyboard failure.
CPU fan is not connected or may have
malfunctioned.
Chassis, rear chassis, or front chassis fan is not
connected or may have malfunctioned.
One or more SATA devices are improperly
attached. For optimal performance, the SATA 0
and SATA 1 ports should be used for hard drives
before other ports.
Recommended action
3.
Reconfigure card resources and/or run
Computer Setup or Windows utilities.
If a PCI expansion card was recently
added, remove it to see if the problem
remains.
Reconnect or replace front USB cable.
Try rebooting the system. If the error reoccurs,
the device may not work with this system
Install cable between I2C on card and USB-C on
the system board.
Remove USB type-C card so only one is
installed.
Not applicable.
Replace with a supported module.
1.
Reconnect keyboard with computer
turned off.
2.
Check connector for bent or missing pins.
3.
Ensure that none of the keys are
depressed.
4.
Replace keyboard.
1.
Reconnect the keyboard with computer
turned off.
2.
Ensure that none of the keys are
depressed.
3.
Replace the keyboard.
4.
Replace the system board.
1.
Reseat CPU fan.
2.
Reseat fan cable.
3.
Replace CPU fan.
1.
Reseat chassis, rear chassis, or front
chassis fan.
2.
Reseat fan cable.
3.
Replace chassis, rear chassis, or front
chassis fan.
N/A
Ensure SATA connectors are used in ascending
order. For one device, use SATA 0. For two
devices, use SATA 0 and SATA 1. For three
devices, use SATA 0, SATA 1, and SATA 2.
POST numeric codes and text messages
83

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