HP Pavilion dv2500 Support Question
HP Pavilion dv2500 Support Question
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Question posted by tkBo on August 25th, 2014
Dv2500 Won't Power On
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Current Answers
Answer #1: Posted by freginold on November 23rd, 2014 9:39 AM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
When a laptop won't power on, it's often 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/system board. Without being able to troubleshoot the laptop, it's almost impossible to say for sure which of the components is causing the problem.
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 Pavilion dv2500 Manual Pages
Security - Windows Vista - Page 5
... passwords in Windows ...3 Setting passwords in Setup Utility ...3 Administrator password ...3 Managing an administrator password 4 Entering an administrator password 4 Power-on password ...4 Managing a power-on password 4 Entering a power-on password 5
3 Using antivirus software
4 Using firewall software
5 Installing critical security updates
6 Installing an optional security cable
7 Using...
Security - Windows Vista - Page 7
... designed to act as deterrents, but they may not be able to a Windows user account
User password
Unauthorized removal of the computer
● QuickLock ● Power-on password
Computer viruses Unauthorized access to data
Norton Internet Security software ● Firewall software ● Windows updates
Unauthorized access to Setup Utility, BIOS settings...
Security - Windows Vista - Page 9
Exit QuickLock by pressing fn+f6.
2.
Power-on or restart the computer, or exit Hibernation.
*For details about each time you access... when you record your password and store it each time you turn on password*
CAUTION: If you forget your power-on or restart the computer, or exit Hibernation. Your administrator password is not interchangeable with an administrator password set ...
Security - Windows Vista - Page 10
...the computer, or exit Hibernation. Your preferences go into effect when the computer restarts. A power-on or restarting the computer, and then pressing f10 while the setup message is set, ...setup message is not displayed as it must restart the computer and try again. Power-on password
Your power-on the screen.
4 Chapter 2 Using passwords
ENWW
Managing an administrator password
To...
Security - Windows Vista - Page 11
Your preferences go into effect when the computer restarts. ENWW
Setting passwords in Setup Utility 5 After 3 unsuccessful attempts to set the password), and then press enter.
Entering a power-on password
At the Enter Password prompt, type your password (using the same keys you used to enter the password, you must restart the computer and try again.
Security - Windows Vista - Page 20
... 5 entering an administrator
password 4
F fingerprint reader 10 fingerprint reader location 11 firewall software 7
M managing a power-on
password 4 managing an administrator
password 4
P passwords
administrator 3 power-on 4 set in Setup Utility 3 set in Windows 3 power-on password entering 5 managing 4
Q QuickLock 3
R registering fingerprints 12
S security
features 1 passwords 2 security cable...
Backup and Recovery - Windows Vista - Page 8
..., DVD+R, or DVD+R
with the Recovery Manager software. ● The computer must be connected to AC power during this process. ● Only one set of recovery discs: 1. Click Advanced Options. The software allows... are used to start up the computer for the first time, be prompted to connect to AC power before you will be sure to create a set of recovery discs can go to the next step...
Setup Utility - Windows Vista - Page 9
... the Setup Utility menu items listed in this chapter may not be supported by your computer. Security menu
Select Administrator password Power-On Password
To Do This Enter, change , or delete a power-on password.
NOTE: Some of Setup Utility options. Main menu
Select System information
To Do This
● View and change...
Setup Utility - Windows Vista - Page 11
... Configuration menu 6 using 2 using advanced features 4 System Configuration menu 6 system information 5
H hard drive self test 6
L language support 6
M Main menu 5
N navigating in the Setup Utility 2
P passwords 5 power-on password 5
R restoring default settings 3
Index 7
Setup Utility - Windows Vista and XP - Page 9
Security menu
Select Administrator password Power-On Password
To Do This Enter, change the system time and date. ● View identification... Utility menus
The menu tables in this section provide an overview of Setup Utility options.
Enter, change, or delete a power-on password.
ENWW
Main menu 5 NOTE Some of the Setup Utility menu items listed in this chapter may not be supported ...
HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Service Guide - Page 9
...
Category
Product Name Processors
Description
Intel processors with discrete graphics subsystem
Intel processors with UMA graphics subsystem
AMD processors with UMA graphics subsystem
HP Pavilion dv2500 and
√
dv2700 Notebook PC
√
√
Intel® Core™ Duo with 800-MHz front side bus (FSB)
T9300 2.50-GHz processor with √
√
6-MB L2...
HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Service Guide - Page 14
...
External media card Ports
Docking Keyboard/pointing devices Power requirements
Description
Intel processors with discrete graphics subsystem
...(3)
√
VGA (Dsub 15-pin)
√
1394
√
2-pin AC power
√
Expansion port 3 supports HP
√
xb3000 Notebook
Expansion Base and HP Notebook
QuickDock
14.1-inch keyboard
√
TouchPad with 2 buttons and four- √ way...
HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Service Guide - Page 44
Description USB digital drive USB infrared receiver Windows Vista remote control (does not fit into ExpressCard slot) HP Notebook QuickDock Adapter Power cords: Argentina Australia and New Zealand Belgium, Europe, Finland, France, Germany, Greece, the Netherlands, Norway, Portugal, Spain, and Sweden Brazil Canada, French Canada, Latin America, ...
HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Service Guide - Page 46
...001 90-W PFC AC adapter 412175-001 DVB-T tuner 412175-002 DVB-T tuner; for use in dv2500 models (includes modem module cable) 435743-001 HP Remote Control for use with computer models with 412176...417220-001 65-W PFC AC adapter 418162-001 HP carrying case 430326-001 HP Notebook QuickDock Adapter 430462-001 Power connector cable for use in computer models with AMD processors 430466-001 Top cover ...
HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Service Guide - Page 49
... models with Intel processors equipped with a UMA graphics
subsystem (includes thermal material) 448626-001 Audio board for use in dv2500 models (includes audio connectors, infrared lens, and audio board cable) 448628-001 Power connector cable for use in computer models with Intel processors 449904-001 Turion MK-38 processor (2.2-GHz, 512-MB...
HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Service Guide - Page 103
...Shut down through the operating system. 2. Modem module
Description Modem module for use in dv2500 models (includes modem module cable) Modem module for use in Hibernation, turn the
computer ... on page 82) g.
Remove the wireless switch board (3). Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the...
HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Service Guide - Page 105
...(see WLAN module on page 65) c. Release the audio board (3) by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the base
enclosure.
Remove ...see Battery on page 56). 5. Audio board
Description
Spare part number
Audio board for use in dv2500 models (includes audio connectors, infrared lens, and audio board 448626-001 cable)
Audio board for...
HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Service Guide - Page 114
...off or in computer models with AMD processors: In full-featured dv2500 models not equipped with a camera module In defeatured dv2500 models not equipped with a camera module In full-featured dv2700 ...these steps: 1. Shut down through the operating system. 2. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the ...
HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Service Guide - Page 188
...31, 38,
44, 85 hinge cover
illustrated 30 removal 85 spare part number 31, 38,
44, 85 HP Notebook QuickDock Adapter,
spare part number 36, 38 HP slipcase
spare part number 45
I I/O address specifications 130,
132 infrared... 12, 14 DVD button 12 media button 12 next/fast forward 12 num lock 13 play/pause 12 power 12, 14 previous/rewind 12 stop 12 volume down 12 volume mute 12 volume up 13 wireless 14...
Power - Windows Vista - Page 14
or - Select Start > Control Panel > Mobile PC > Windows Mobility Center. The time shown indicates the approximate running time remaining on the battery if the battery continues to provide power at the far right of battery charge remaining in the notification area, at ... will decrease when a DVD is playing and will increase when a DVD stops playing.
8 Chapter 2 Using battery power or -
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