HP ProBook 6455b Support Question
HP ProBook 6455b Support Question
Find answers below for this question about HP ProBook 6455b - Notebook PC.Need a HP ProBook 6455b manual? We have 7 online manuals for this item!
Question posted by andSTS on May 26th, 2014
Hp Probook 6455b Battery Light Blinking Amber Won't Boot
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Current Answers
Answer #1: Posted by freginold on July 31st, 2014 4:30 PM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
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 ProBook 6455b Manual Pages
HP ProBook User Guide - Windows 7 - Page 13
...Component
(1)
Wireless lights (2)*
(2)
Power lights (2)†
(3)
Battery light
Description
● Blue: An integrated wireless device (select models only), such as a wireless local area network (WLAN) device, the HP Mobile Broadband Module, and/or a Bluetooth® device, is on.
● Amber: All wireless devices are off. ● On: The computer is on. ● Blinking: The computer...
HP ProBook User Guide - Windows 7 - Page 14
... being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the hard drive.
● On: The computer is on or HP QuickLook is in use.
● Blinking: When the QuickLook button is pressed, the light blinks 5 times, and then HP QuickLook opens.
(6)
QuickWeb light
NOTE: To use .
● Blinking: When the QuickWeb button is pressed, the light blinks 5 times, and then...
HP ProBook User Guide - Windows 7 - Page 15
...is close to full charge capacity. ● Blinking amber: A battery that is the only available power source has reached a low battery level.
Component
(1)
Wireless lights (2)*
(2)
Power lights (2)†
(3)
Battery light
Description ● Blue: An integrated wireless device (select models only), such
as a wireless local area network (WLAN) device, the HP Mobile Broadband Module, and/or...
HP ProBook User Guide - Windows 7 - Page 16
... the wireless button is visible only when the computer is pressed, the light blinks 5 times, and then the default Web browser opens.
Component
Description
(4)
Drive light
(5)
QuickLook light
● Blinking turquoise: The hard drive or optical drive (select models only) is being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the hard drive.
● On: The...
HP ProBook User Guide - Windows 7 - Page 22
Component (3) Wireless light (4) Power light (5) Battery light
(6) Drive light (7) Speaker
Description
● Blue: An integrated wireless device (select models only), such as a wireless local area network (WLAN) device, the HP Mobile Broadband Module, and/or a Bluetooth® device, is on.
● Amber: All wireless devices are off.
● On: The computer is on.
● Blinking: The ...
HP ProBook User Guide - Windows 7 - Page 74
...the factory: Sleep and Hibernation. NOTE: When HP 3D DriveGuard has parked a drive, the computer...button, and then click Sleep. If the computer is initiated, the power lights blink and the screen clears. 5 Power management
Setting power options
Using power-...to initiate Sleep after 15 minutes of inactivity when running on battery power and 30 minutes of inactivity when running on external power...
HP ProBook User Guide - Windows 7 - Page 82
... not plugged into an external power source, the light turns off until the battery reaches a low battery level. Preferences set using Power Options in this section describes the alerts and system responses set at the factory. ● Blinking amber: A battery that is the sole power source for a critical battery level: ● If Hibernation is enabled and the...
HP ProBook User Guide - Windows Vista - Page 13
... lights (2)*
(2)
Power lights (2)†
(3)
Battery light
Description
● Blue: An integrated wireless device (select models only), such as a wireless local area network (WLAN) device, the HP Mobile Broadband Module, and/or a Bluetooth® device, is on . ● Blinking: The computer is in the Sleep state. ● Off: The computer is off or in Hibernation. ● Amber: A battery...
HP ProBook User Guide - Windows Vista - Page 14
...) is being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the hard drive.
● On: The computer is on or HP QuickLook is in use.
● Blinking: When the QuickLook button is pressed, the light blinks 5 times, and then HP QuickLook opens.
(6)
QuickWeb light
NOTE: To use HP QuickLook when the computer is off, HP QuickLook must be enabled...
HP ProBook User Guide - Windows Vista - Page 15
... battery level. Component
(1)
Wireless lights (2)*
(2)
Power lights (2)†
(3)
Battery light
Description ● Blue: An integrated wireless device (select models only), such
as a wireless local area network (WLAN) device, the HP Mobile Broadband Module, and/or a Bluetooth® device, is on. ● Amber: All wireless devices are off. ● On: The computer is on. ● Blinking...
HP ProBook User Guide - Windows Vista - Page 16
... is on or the embedded numeric keypad is enabled. ● Turquoise: Speaker sound is on. ● Amber: Speaker sound is off , HP QuickWeb must be enabled in use HP QuickWeb when the computer is off .
(10) Volume down light
Blinking: The volume down button is being used to decrease the speaker volume.
(11) Volume up...
HP ProBook User Guide - Windows Vista - Page 22
...Produces sound. When the battery reaches a critical battery level, the battery light begins blinking rapidly.
● Off: If the computer is plugged into an external power source, the light stays off until the battery reaches a low battery level.
● Blinking turquoise: The hard drive or optical drive (select models only) is being accessed.
● Amber: HP 3D DriveGuard has temporarily...
HP ProBook User Guide - Windows Vista - Page 73
...button
Setting power options 63 If the computer is initiated, the power lights blink and the screen clears. Your work is set at the factory: Sleep and Hibernation. NOTE: When HP 3D DriveGuard has parked a drive, the computer will not initiate ... to initiate Sleep after 15 minutes of inactivity when running on battery power and 30 minutes of inactivity when running on external power.
HP ProBook User Guide - Windows Vista - Page 81
...level. Maximum discharge time gradually shortens as the battery storage capacity naturally degrades. Identifying low battery levels
When a battery that is the sole power source for maximizing battery discharge time: ● Lower the brightness on battery power.
Tips for the computer reaches a low battery level, the battery light blinks.
Some lowbattery alerts and system responses can...
HP ProBook User Guide - Windows XP - Page 13
...) device, the HP Mobile Broadband Module, and/or a Bluetooth® device, is on.
● Amber: All wireless devices are fully charged. If the computer is not plugged into an external power source, the light turns off when all batteries in the computer are off. ● On: The computer is on. ● Blinking: The computer is...
HP ProBook User Guide - Windows XP - Page 14
....
(11) Volume up light
Blinking: The volume up button is being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the hard drive.
● On: The computer is on or HP QuickLook is in use.
● Blinking: When the QuickLook button is pressed, the light blinks 5 times, and then HP QuickLook opens.
(6)
QuickWeb light
NOTE: To use HP QuickLook when the...
HP ProBook User Guide - Windows XP - Page 15
...Component
(1)
Wireless lights (2)*
(2)
Power lights (2)†
(3)
Battery light
Description ● Blue: An integrated wireless device (select models only), such
as a wireless local area network (WLAN) device, the HP Mobile Broadband Module, and/or a Bluetooth® device, is on. ● Amber: All wireless devices are off. ● On: The computer is on. ● Blinking: The computer...
HP ProBook User Guide - Windows XP - Page 16
... drive or optical drive (select models only) is being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the hard drive.
● On: The computer is on or HP QuickLook is in use HP QuickLook when the computer is off .
(10) Volume down light
Blinking: The volume down button is being used to decrease the speaker...
HP ProBook User Guide - Windows XP - Page 22
...9679; Off: The computer is off until the battery reaches a low battery level.
● Blinking turquoise: The hard drive or optical drive (select models only) is being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the hard drive.
Produces sound.
When the battery reaches a critical battery level, the battery light begins blinking rapidly.
● Off: If the computer is...
HP ProBook User Guide - Windows XP - Page 81
... a battery that is on or in Standby, the computer remains briefly in Standby, the computer initiates Hibernation. ● If Hibernation is disabled and the computer is the sole power source for the computer reaches a low battery level, the battery light blinks. If a low battery level is not resolved, the computer enters a critical battery level, and the battery light blinks rapidly...
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