HP EliteBook 8460p Support Question
HP EliteBook 8460p Support Question
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Question posted by pavefr on July 4th, 2014
Hp 8470p Power Light On But System Won't Boot
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Current Answers
Answer #1: Posted by freginold on July 31st, 2014 4:23 PM
freginold
Member since:
December 20th, 2011 Points: 23,253,895
Member since:
December 20th, 2011 Points: 23,253,895
Often when a laptop won't power on, it's because of one of four things: the battery, the battery charger/AC adapter, the power board/battery charging board (if the laptop has one), or the motherboard.
You can attempt to rule out the battery by attaching the AC adapter and trying to turn the laptop on. If the laptop turns on when on AC power but won't turn on with the battery, then one of two things is happening: either the battery is bad, or the charger is bad and the battery has run down. If the laptop won't turn on with or without the AC adapter plugged in, then the battery is not the problem. If your AC adapter has an LED on it, you can often tell if the adapter isn't working because the LED won't light up. (However, just because the LED does come on doesn't mean the adapter is working as it should.)
If it doesn't seem to be either the charger/adapter or the battery, then you're probably looking at either the power board or motherboard. If you are comfortable taking the laptop apart, you might want to try replacing the power board, which is the board that the charger plugs into. Amazon.com sells power boards (also sometimes called power jack boards) for many laptops for between $15 and $30.
The motherboard is a more expensive option to replace, so a good rule of thumb is to try the less expensive parts first. If it still won't power on, you may have a bad motherboard, in which case it might be cheaper to get a new laptop than have the motherboard repaired or replaced.
You can attempt to rule out the battery by attaching the AC adapter and trying to turn the laptop on. If the laptop turns on when on AC power but won't turn on with the battery, then one of two things is happening: either the battery is bad, or the charger is bad and the battery has run down. If the laptop won't turn on with or without the AC adapter plugged in, then the battery is not the problem. If your AC adapter has an LED on it, you can often tell if the adapter isn't working because the LED won't light up. (However, just because the LED does come on doesn't mean the adapter is working as it should.)
If it doesn't seem to be either the charger/adapter or the battery, then you're probably looking at either the power board or motherboard. If you are comfortable taking the laptop apart, you might want to try replacing the power board, which is the board that the charger plugs into. Amazon.com sells power boards (also sometimes called power jack boards) for many laptops for between $15 and $30.
The motherboard is a more expensive option to replace, so a good rule of thumb is to try the less expensive parts first. If it still won't power on, you may have a bad motherboard, in which case it might be cheaper to get a new laptop than have the motherboard repaired or replaced.
Related HP EliteBook 8460p Manual Pages
Installing SATA Drivers on HP EliteBook Notebook PCs - Page 2
...for each PC
IMPORTANT: Make sure you have a Microsoft OS license for each system on HP EliteBook Notebook PC models. and adding SATA drivers using Intel Matrix SATA AHCI Storage controllers.
This document...
You will need the following guidelines provide procedures for disk traffic, and provides link power management with SATA in AHCI or NATIVE mode; adding SATA drivers to SATA AHCI mode...
Installing SATA Drivers on HP EliteBook Notebook PCs - Page 3
... be c:\sp99999\Winall\Driver (for XP32) or c:\sp99999\Winall\Driver64 (for current HP desktop and workstation Intel SATA controllers are applicable
IMPORTANT: Follow the installation instructions in step...unsuccessful or unstable installation. o -f is the Softpaq to access the disk and finish booting. Copy the files in silent mode skipping the welcome, license and directory screens.
...
Installing SATA Drivers on HP EliteBook Notebook PCs - Page 13
...is compatible with your hardware will be completely installed. Enter F10 setup when prompted during the boot. 10) Go to System Configuration/Device Configurations/SATA Native Mode and change it to Enable,... prompted to connect to the location of the "Intel Matrix Storage Manager" files extracted from www.hp.com. 7) In Device Manager, right-click the IDE ATA/ATAPI controllers/Intel ® ICH9M ...
HP ProtectTools Security Software 2010 - Page 12
... by launching HP ProtectTools Security Manager and selecting Drive Encryption for HP ProtectTools requires that the encryption key be backed up key on the size of powerful encryption and strong...themselves upon system restart. If the notebook is being used. HP Enhanced Pre-Boot Security
Pre-Boot security is a feature that if the password is unencrypted. Before a hard drive...
2009 HP business notebook PC F10 Setup overview - Page 3
... list of F10 Setup options, please refer to boot options, integrated device configuration, port options, AMT ...and communicate with and without saving changes to settings and System Diagnostics. HP F10 Setup features are separated in English, French, German, Spanish, ... time, exit F10 Setup with the various devices, such as power on select models), and F10 Setup feature access options. The new...
2009 HP business notebook PC F10 Setup overview - Page 8
...
Enabled/Disabled
• Data Execution Prevention
Enables DEP on Intel based systems. Enabled/Disabled
• LAN Power Save
Enables LAN power save option
Enabled/Disabled
• SATA Device Mode
Enable SATA for F10 Setup on HP QuickLook Boot
Enables user authentication before accessing QuickLook. Table 1. (Continued) Key features for internal drives. Enabled/Disabled
•...
2009 HP business notebook PC F10 Setup overview - Page 9
... media reader
Enables integrated SD Card reader. Table 1. (Continued) Key features for F10 Setup on LAN
Enabled the system to Network/Follow Boot order
• Ambient Light Sensor
Enables Ambient Light Sensor
Enabled/Disabled
• Notebook Upgrade Bay Enables integrated Upgrade bay. Enabled/Disabled
• Integrated Camera
Enables integrated camera.
Enabled/Disabled
•...
Service Guide - Page 14
...lights)
USB 3.0
USB 2.0 (3)
√
USB 2.0 charging port
eSATA/USB 2.0 combo port
√
VGA (Dsub 15-pin) supporting 1920 ×
√
1200 external resolution at 75-GHz (hot
plug with auto-detect)
1394a
√
3-pin AC power..., 73-Wh HP Ultra-
√
Capacity Extended Life Battery
HP EliteBook 8460p Notebook PC
√
√
√
HP EliteBook 8460w Mobile Workstation...
Service Guide - Page 19
...webcam is in Help and Support. To use the webcam, select Start > All Programs > HP > HP Webcam.
(7)
Ambient light sensor
When activated, the sensor automatically adjusts the display brightness based on . To see wireless ... the display or initiates Sleep if the display is closed while the power is on the lighting conditions in use .
These notices are not visible from the outside...
Service Guide - Page 22
... lock is on. ● On: The computer is off or in Hibernation.
14 Chapter 2 External component identification Lights
NOTE: Refer to the illustration that most closely matches your computer. Component (1)
TouchPad on/off light
(2)
Caps lock light
(3)
Power light
Description ● Amber: The TouchPad is off. ● Off: The TouchPad is on . ● Blinking: The...
Service Guide - Page 28
... blinking rapidly.
● Off: The battery is fully charged.
20 Chapter 2 External component identification Component (1) Display release latch (2) Wireless light
(3) Power light
(4) Battery light
Description
Opens the computer.
● White: An integrated wireless device, such as a wireless local area network (WLAN) device and/or a Bluetooth® device, is on.
&#...
Service Guide - Page 29
... drive light
(6) Speaker
Description
● Blinking turquoise: The hard drive or optical drive is being accessed.
● Amber: HP 3D ...DriveGuard has temporarily parked the hard drive. Produces SRS Premium sound (select models only).
Connects an optional IEEE 1394 or 1394a device, such as a camcorder. Connect optional USB devices. Ejects the optical drive.
Component (1)
Power...
Service Guide - Page 147
...possible, check for recovery.
1. NOTE: If the Windows partition and the HP Recovery partition have been deleted, you previously backed up:
1.
For additional ... a Windows Vista® operating system DVD to boot (start the backup process. All files you start up ....> Computer. Follow the on -screen instructions to AC power before the Windows operating system loads. When reformatting is...
Service Guide - Page 160
light sensor, identifying 11 lights
battery 20 caps lock 14 hard drive 21 HP QuickWeb 15 mute 15 num lock 15 power 14, 20 webcam 11 wireless 15, 20
M mass storage devices, spare part
numbers 41 Media Card Reader, identifying
21 memory module
product description 3 removal 78 ...
Reference Guide - Page 33
... Control Panel.
Initiating and exiting Hibernation
The system is saved to initiate Hibernation after a period of inactivity when running on battery power or on and your work is initiated, the power lights blink and the screen clears.
With the computer on, you can be required on the hard drive and the computer turns...
Reference Guide - Page 34
... taskbar. ● Windows 7-Select Start > Control Panel > System and Security > Power Options. ● Windows Vista-Select Start > Control Panel > System and Maintenance > Power Options. Selecting a different power plan
Use any of the taskbar. The power lights turn on wakeup, you conserve power or maximize performance.
Power plans can be required on and your work returns to the...
Reference Guide - Page 42
... modes. Turn on the computer.
● If the power lights turn on , the AC adapter is working properly. ● If the power lights remain off . It may prompt you to switch. Testing... computer. 2. Similarly, when you switch from battery power to AC power, the computer can switch from the computer. 3. If you use HDMI. Contact HP Customer Support for a few seconds.
When the switch...
Reference Guide - Page 59
... or Hibernation. Hard drives installed in the notification area is parked. Identifying HP 3D DriveGuard status
The drive light on the Alarms tab in the secondary hard drive bay are not protected ...under either shut it : 1. Managing power with the display closed while the computer is running on battery power and reaches a critical battery level, HP 3D DriveGuard allows the computer to show...
Reference Guide - Page 103
...finding 27
battery power 27
battery temperature 30
BIOS
determining version 75
downloading an update 75
updating 75
Bluetooth device 2, 8
boot devices, enabling 78
buttons
media 15
power 22
volume 16...
docking connector 45
drive light 49
drive media 23
DriveLock password
changing 60
description 58
entering 60
removing 60
setting 59
drivers 35
drives
boot order 77
external 44...
Reference Guide - Page 104
...power, using 30
external devices 44
external drive 44
external monitor port 19
F finding more information 1
fingerprint reader 68
firewall software 6, 64
G GPS 8
graphics modes, switching 32
H hard drive
external 44
HP...77, 81
N network cable, connecting 13
network icon 2
Network Service Boot 78
NIC boot device 77, 78
optical disc
inserting 50
removing 51
optical drive 45
...
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