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HP Pro Mini 260 G9 Desktop PC Maintenance and Service Guide - Page 102

Table 11-1, Troubleshooting steps for nonvolatile memory usage, continued

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Table 11-1 Troubleshooting steps for nonvolatile memory usage (continued) Nonvolatile memory type Amount (Size) Does this memory store customer data? e (not customer accessible) Does this memory retain data when power is removed? What is the purpose of this memory? How is data entered into this memory? How is this memory write-protected? write-protection method varies by memory vendor. System BIOS 9 MB Yes Yes Stores system System BIOS code is NOTE: Writing data BIOS code and programmed at the to this ROM in an computer factory. Code is updated inappropriate manner configuration when the system BIOS can render the data. is updated. Configuration computer data and settings are nonfunctional. entered using the Computer Setup (BIOS) or A utility must be a custom utility. used for writing data to this memory and is available on the HP website; go to http://www.hp.com/ support. Select Find your product, and then follow the on-screen instructions. Intel 1.5 MB or 7 Yes Yes Stores Management Engine Code The Intel chipset is Management MB Management is programmed at the configured to enforce Engine Firmware Engine Code, factory. Code is updated hardware protection to (present only in Settings, via Intel secure firmware block all direct read- select Elite or Z Provisioning update utility. Unique write access to this models. For Data and iAMT Provisioning Data can be area. An Intel utility more third-party entered at the factory must be used for information, go data store. or by an administrator updating the firmware. to using the Management Only firmware updates http://www.hp.com/support. Select Engine (MEBx) setup digitally signed by Intel Identify your utility. The third-party can be applied using product for data store contents can this utility. manuals and be populated by a remote specific product management console or information, and local applications that then follow the have been registered by on-screen an administrator to have instructions.) access to the space. Bluetooth flash 2 megabits No Yes Stores Bluetooth flash is A utility must be used (select products Bluetooth programmed at the for writing data to this only) configuration factory. Tools for writing memory and is made and firmware. data to this memory are available through not publicly available but newer versions of can be obtained from the the driver whenever silicon vendor. the flash requires an upgrade. 802.11 WLAN 4 kilobits to 8 No Yes Stores 802.11 WLAN EEPROM A utility must be used EEPROM kilobits configuration is programmed at the for writing data to and factory. Tools for writing this memory and is calibration data to this memory are typically not made data. not made public. available to the public unless a firmware upgrade is necessary to address a unique issue. Nonvolatile memory usage 95

Section	Page
Computer features	8
Standard configuration features	8
Front panel components	8
Rear panel components	9
Serial number location	10
Illustrated parts catalog	11
Computer major components	11
Miscellaneous parts	13
Routine care, drive guidelines, and disassembly preparation	15
Electrostatic discharge information	15
Generating static electricity	15
Preventing electrostatic damage to equipment	16
Personal grounding methods and equipment	16
Grounding the work area	17
Recommended materials and equipment	17
Operating guidelines	18
Routine care	18
General cleaning safety precautions	18
Cleaning the computer case	19
Cleaning the keyboard	19
Cleaning the monitor	19
Cleaning the mouse	20
Service considerations	20
Tools and software requirements	20
Screws	20
Cables and connectors	20
Hard drives	20
Lithium coin cell battery	21
SATA hard drives	21
Cable management	22
Removal and replacement procedures	23
Preparation for disassembly	23
Access panel	23
Front bezel	24
Memory modules (SODIMMs)	25
Fan	28
Ambient (thermal) sensor	29
Hard drive and drive cage	30
Solid-state drive	31
WLAN module	33
Battery	35
Speaker	36
Flex I/O connector board	37
Processor heat sink	38
System board	39
System board callouts	41
Wireless antennas and cables	42
Troubleshooting without diagnostics	44
Before you call for technical support	44
Helpful hints	45
Solving general problems	45
Cannot access the Computer Setup (F10) Utility when booting the computer	46
Computer appears locked up and will not turn off when the power button is pressed	46
Computer will not respond to keyboard or mouse	46
Computer date and time display is incorrect	46
There is no sound or sound volume is too low	46
Cannot remove computer cover or access panel	47
Poor performance	47
Computer turned off automatically and the power light blinks red four times and then white two times	48
System does not turn on and the lights on the front of the computer are not blinking	48
Solving power problems	49
Power supply shuts down intermittently	49
Computer turned off automatically, power light blinks red two times followed by a two-second pause, and the computer beeps two times (Beeps stop after fifth iteration but lights continue blinking)	49
Power light blinks red four times followed by a two-second pause and the computer beeps four times (Beeps stop after fifth iteration but lights continue blinking)	50
Solving hard drive problems	50
Hard drive error occurs	50
Disk drive transaction problem	50
Drive not found (identified)	51
Nonsystem disk/NTLDR missing message	51
Computer will not boot from hard drive	51
Computer seems to be locked up	52
Solving audio problems	52
Sound cuts in and out	52
Sound does not come out of the speaker or headphones	52
Computer appears to be locked up while recording audio	53
Line-in jack is not functioning properly	53
Solving printer problems	53
Printer will not print	53
Printer will not turn on	54
Printer prints garbled information	54
Printer will not print	54
Solving keyboard and mouse problems	54
Keyboard commands and typing are not recognized by the computer	54
Mouse does not respond to movement or is too slow	55
Solving hardware installation problems	55
A new device is not recognized as part of the system	55
Computer will not start	56
Power light blinks red three times and then white two times	56
Solving network problems	57
Network driver does not detect network controller	57
Network status link light never blinks	57
Diagnostics reports a failure	57
Diagnostics passes, but the computer does not communicate with the network	58
Network controller stopped working when an expansion board was added to the computer	58
Network controller stops working without apparent cause	58
Cannot connect to network server when attempting remote system installation	58
System setup utility reports unprogrammed EEPROM	59
Solving memory problems	59
System will not boot or does not function properly after installing additional memory modules	59
Out of memory error	59
Memory count during POST is wrong	59
Insufficient memory error during operation.	60
Power light blinks red five times followed by a two-second pause and the computer beeps five times (Beeps stop after fifth iteration but lights continue blinking)	60
Solving USB flash drive problems	60
USB flash drive is not seen as a drive letter in Windows	60
USB flash drive not found (identified)	60
System will not boot from USB flash drive	61
The computer boots to DOS after making a bootable flash drive	61
Solving internet access problems	61
Unable to connect to the internet	61
Cannot automatically launch internet programs	62
Solving software problems	62
Computer will not start up and the HP logo does not appear	62
“Illegal Operation has Occurred” error message is displayed	62
Computer Setup (F10) Utility	63
Using Computer Setup (F10) Utilities	63
Computer Setup Main	64
Computer Setup Security	67
Computer Setup Advanced	72
POST error messages	80
POST numeric codes and text messages	80
Interpreting POST diagnostic front panel lights and audible codes	86
Password security and resetting CMOS	88
Changing a setup or power-on password	88
Deleting a setup or power-on password	88
Backing up, restoring, and recovering	90
Backing up information and creating recovery media	90
Using the HP Cloud Recovery Download Tool to create recovery media (select products only)	90
Using Windows tools for backing up	90
Restoring and recovering your system	90
Creating a system restore	91
Restoring and recovery methods	91
Recovering using HP Recovery media	91
Changing the computer boot order	92
Using HP Sure Recover (select products only)	92
Using HP PC Hardware Diagnostics	93
Using HP PC Hardware Diagnostics Windows (select products only)	93
Using an HP PC Hardware Diagnostics Windows hardware failure ID code	93
Accessing HP PC Hardware Diagnostics Windows	93
Accessing HP PC Hardware Diagnostics Windows from HP Help and Support (select products only)	93
Accessing HP PC Hardware Diagnostics Windows from HP Support Assistant	94
Accessing HP PC Hardware Diagnostics Windows from the Start menu (select products only)	94
Downloading HP PC Hardware Diagnostics Windows	94
Downloading the latest HP PC Hardware Diagnostics Windows version from HP	94
Downloading the HP PC Hardware Diagnostics Windows from the Microsoft Store	94
Downloading HP Hardware Diagnostics Windows by product name or number (select products only)	95
Installing HP PC Hardware Diagnostics Windows	95
Using HP PC Hardware Diagnostics UEFI	95
Using an HP PC Hardware Diagnostics UEFI hardware failure ID code	95
Starting HP PC Hardware Diagnostics UEFI	96
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive	96
Downloading the latest HP PC Hardware Diagnostics UEFI version	96
Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products only)	97
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only)	97
Downloading Remote HP PC Hardware Diagnostics UEFI	97
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version	97
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or number	97
Customizing Remote HP PC Hardware Diagnostics UEFI settings	97
Statement of memory volatility	99
Current BIOS steps	99
Nonvolatile memory usage	101
Questions and answers	103
Using HP Sure Start (select products only)	105
Power cord set requirements	106
General requirements	106
Japanese power cord requirements	106
Country-specific requirements	106
Specifications	108

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Table 11-1

Troubleshooting steps for nonvolatile memory usage

(continued)

Nonvolatile

memory type

Amount (Size)

Does this

memory

store

customer

data?

Does this

memory

retain data

when

power is

removed?

What is the

purpose of

this memory?

How is data entered into

this memory?

How is this memory

write-protected?

e (not

customer

accessible)

write-protection

method varies by

memory vendor.

System BIOS

9 MB

Yes

Stores system

BIOS code and

computer

conﬁguration

data.

System BIOS code is

programmed at the

factory. Code is updated

when the system BIOS

is updated. Conﬁguration

data and settings are

entered using the

Computer Setup (BIOS) or

a custom utility.

NOTE:

Writing data

to this ROM in an

inappropriate manner

can render the

computer

nonfunctional.

A utility must be

used for writing

data to this memory

and is available on

the HP website; go

http://www.hp.com/

support

. Select

Find

your product

, and then

follow the on-screen

instructions.

Intel

Management

Engine Firmware

(present only in

select Elite or Z

models. For

information, go

http://www.hp.com/

support

. Select

Identify your

product for

manuals and

speciﬁc product

information

, and

then follow the

on-screen

instructions.)

1.5 MB or 7

Yes

Stores

Management

Engine Code,

Settings,

Provisioning

Data and iAMT

third-party

data store.

Management Engine Code

is programmed at the

factory. Code is updated

via Intel secure ﬁrmware

update utility. Unique

Provisioning Data can be

entered at the factory

or by an administrator

using the Management

Engine (MEBx) setup

utility. The third-party

data store contents can

be populated by a remote

management console or

local applications that

have been registered by

an administrator to have

access to the space.

The Intel chipset is

conﬁgured to enforce

hardware protection to

block all direct read-

write access to this

area. An Intel utility

must be used for

updating the ﬁrmware.

Only ﬁrmware updates

digitally signed by Intel

can be applied using

this utility.

Bluetooth ﬂash

(select products

only)

2 megabits

Yes

Stores

Bluetooth

conﬁguration

and ﬁrmware.

Bluetooth ﬂash is

programmed at the

factory. Tools for writing

data to this memory are

not publicly available but

can be obtained from the

silicon vendor.

A utility must be used

for writing data to this

memory and is made

available through

newer versions of

the driver whenever

the ﬂash requires an

upgrade.

802.11 WLAN

EEPROM

4 kilobits to 8

kilobits

Yes

Stores

conﬁguration

and

calibration

data.

802.11 WLAN EEPROM

is programmed at the

factory. Tools for writing

data to this memory are

not made public.

A utility must be used

for writing data to

this memory and is

typically not made

available to the public

unless a ﬁrmware

upgrade is necessary

to address a unique

issue.

Nonvolatile memory usage