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HP t505 Troubleshooting Guide t505 Flexible Thin Client - Page 47

Error Messages, Beep code - 1 Long, 3 Short. ROM failure. Create

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Error Messages Error Messages Beeps, CPU or Keyboard Lights, or POST error messages Caution: Power is continuous to the system board and power supply even when the power switch is turned off. To prevent damage to the unit, disconnect the power cord from the power source or the unit before beginning disassembly procedures. Power LED has no color showing. Computer is off. Power LED glows green. Computer is on. Beep code - 1 Long, 2 Short. Video controller not present or incorrectly initialized. Ensure the monitor is plugged in. Beep code - 1 Long, 3 Short. ROM failure. Create ROMPaq diskette and reload ROM. Download the ROMPaq from the HP Web site at: http://www.hp.com/products Notes: Short (S) and long (L) beeps will only be heard if the system has a speaker. LEDs will only function on PS/2 keyboards, not USB. Troubleshooting 41

Section	Page
Product Description	7
Product features	7
Serial Number Location	8
Front Panel Components	9
Rear Panel Components	10
Installing the Rubber Feet	10
Installing the Stand	11
Removing the Stand	12
Hardware Changes	13
General Hardware Installation Sequence	13
Removing and Replacing the Side Access Panel	14
Removing the Side Access Panel	14
Replacing the Side Access Panel	15
Installing Thin Client Options	16
Removing and Replacing the Battery	16
External Drives	17
Configuring Powered Serial Ports	18
BIOS Settings, (F10) Utility	27
Using the BIOS Settings	27
Changing BIOS Settings from the repset utility	27
Changing BIOS Settings Using the F10 Utility	28
Setup Utility—System Information	29
Setup Utility—Standard CMOS Features	29
Setup Utility—Advanced BIOS Features	29
Setup Utility—Integrated Peripherals	30
Setup Utility—Power Management Setup	31
Setup Utility—Utility Task Actions	31
Diagnostics and Troubleshooting	32
LEDs	32
Power-On Sequence	33
Power-On Diagnostic Tests	33
Beep Codes	34
POST Error Messages	34
Troubleshooting	35
Basic Troubleshooting	35
Diskless (No-Flash) Unit Troubleshooting	36
Troubleshooting Flowcharts	38
Initial Troubleshooting	38
Initial Troubleshooting Part 2	39
No Power, Part 1	40
No Power, Part 2	41
No Power, Part 3	42
No Video, Part 1	43
No Video, Part 2	44
No Video, Part 3	45
No Video, Part 4	46
Error Messages	47
NO OS Loading	48
OS Not Loading from Flash	49
Non-Functioning Pointing Device or Keyboard	50
No Internal Network Connection	51
No Audio	52
No IP Address	53
Booting in Continuous Loop	54
Restoring the Flash Image	55
System Requirements	55
Getting Started	55
Creating an ISO Image	56
Formatting a USB Flash Drive	56
Unpacking the Image and Tools for Deployment	57
Deploying with PXE	57
Adding an Image Restore Tool	58
Configuring a PXE Server	59
Prerequisites	59
Installing Remote Installation Services (RIS PXE Server)	59
Authorizing Remote Installation Services (RIS PXE Server)	59
Configuring Remote Installation Services	60
Set User Permissions on the Active Directory Server	60
RIS Menu	61
Creating Network Bootable Disk to Map Drives	61
For More Information	61
FTP Update	62
Server Requirements	62
DCHP Server	62
FTP Server	62
Description	63
Host Settings	63
Select Image to Update	64
System BIOS	66
Restoring or updating a BIOS	66
Electrostatic Discharge	67
Preventing Electrostatic Damage	67
Grounding Methods	67
Specifications	68