HP ProDesk 400 G1 Micro Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 203

POST numeric codes and text messages, Control panel message, Description, Recommended action

Page 203 highlights

Control panel message 301-Keyboard Error Description Keyboard failure. 303-Keyboard Controller Error I/O board keyboard controller. 304-Keyboard or System Unit Error Keyboard failure. 501-Display Adapter Failure Graphics display controller. 510-Flash Screen Image Corrupted Flash Screen image has errors. 511-CPU, CPUA, or CPUB Fan not Detected CPU fan is not connected or may have malfunctioned. 512-Chassis, Rear Chassis, or Front Chassis Chassis, rear chassis, or front chassis fan is Fan not Detected not connected or may have malfunctioned. 513-Front Chassis fan not detected Front chassis fan is not connected or may have malfunctioned. Recommended action 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 keyboard with computer turned off. 2. Replace the system board. 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 the graphics card (if applicable). 2. Clear CMOS. (See Appendix B, Password security and resetting CMOS on page 203.) 3. Verify monitor is attached and turned on. 4. Replace the graphics card (if possible). Reflash the system ROM with the latest BIOS image. 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. 1. Reseat front chassis fan. 2. Reseat fan cable. 3. Replace front chassis fan. POST numeric codes and text messages 193

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Control panel message
Description
Recommended action
301-Keyboard Error
Keyboard failure.
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.
303-Keyboard Controller Error
I/O board keyboard controller.
1.
Reconnect keyboard with computer
turned off.
2.
Replace the system board.
304-Keyboard or System Unit Error
Keyboard failure.
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.
501-Display Adapter Failure
Graphics display controller.
1.
Reseat the graphics card (if applicable).
2.
Clear CMOS. (See Appendix B,
Password security and resetting CMOS
on page
203
.)
3.
Verify monitor is attached and turned
on.
4.
Replace the graphics card (if possible).
510-Flash Screen Image Corrupted
Flash Screen image has errors.
Reflash the system ROM with the latest BIOS
image.
511-CPU, CPUA, or CPUB Fan not Detected
CPU fan is not connected or may have
malfunctioned.
1.
Reseat CPU fan.
2.
Reseat fan cable.
3.
Replace CPU fan.
512-Chassis, Rear Chassis, or Front Chassis
Fan not Detected
Chassis, rear chassis, or front chassis fan is
not connected or may have malfunctioned.
1.
Reseat chassis, rear chassis, or front
chassis fan.
2.
Reseat fan cable.
3.
Replace chassis, rear chassis, or front
chassis fan.
513-Front Chassis fan not detected
Front chassis fan is not connected or may
have malfunctioned.
1.
Reseat front chassis fan.
2.
Reseat fan cable.
3.
Replace front chassis fan.
POST numeric codes and text messages
193