20 Most Recent HEWLETT-PACKARD ProBook 4520s - Page 3 Questions & Answers

Try going to Control Panel - Hardware and sound - mouse. Once you have the menu for the mouse open, go to device settings. Click settings, and all of the advanced controls for the functions of your mouse pad can be found there. Once in advanced settings, you should be able to enable the scroll function.

if its not charging usually there maybe a problem with the laptop charger or the battery

Perhaps the Battery is dead? Try another cord/charger with the EXACT same power specs. Does the computer work? Is it just the Battery? Has the AC jack been damaged due to pulling on the cord while plugged in?

First, remove ALL media, DVD,CD,USB etc. unplug, remove battery, plug in, try to reboot normally. If that fails, Try a System Restore/Recovery using this procedure, try a Restore first, a Full Recovery will cause you to lose data. http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=115&prodSeriesId=242213&prodTypeId=321957&objectID=c00006110

your key is stuck you can get a key bosrd at wal-martit has a plug on iis that plugs into the usb port and might work

Unplug, remove battery, plug in, reboot, any change? Have you done ALL the Windows and HP updates? Open the Device Manager, open Network Adapters, is the Wireless adapter enabled, in error? You can find the driver for the Wireless adapter here, choose your OS: http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?prodNameId=4145202&lang=en&cc=us&taskId=135&prodTypeId=321957&prodSeriesId=4145198

Computer does not boot up The problem maybe the RAM, it could be faulty or just needs reseating to make proper electrical contact. Reseat the RAM and then boot up your laptop. If it still does not boot up then remove the RAM module/s and take them to your friendly computer repair shop and get them to test the RAM for you. Just like you sometimes need a mechanic to repair your car, sometimes you do need a technician to diagnose and identify the fault or faults on your computer. Not only does a good service technican have the experience to deal with this type of problem, they also have the equipment that allows them to look at things the average computer user can't see, and he has a collection of replacement parts that can be used to quickly test individual components on your computer.

go to control panel, hardware, mouse, all settings for mouse functions should be there

Perform system restore.

What do you mean by "HANG OUT" do you mean standby mode or does it lock up ?

Reload your operating system!

Laptop screen is normally brighter when it is connected to the charge adapter. When the laptop is running on the battery it is usually a little dimmer to save battery power, you can adjust the screen brightness even on battery power. To adjust the brightness hold down the Fn key and press one of the function button keys it maybe the F7 or F8 key it will have a symbol on the key to indicate the screen brightness.

First - re-seat the hard disk and reboot the computer. If the computer does not boot up then reboot and go into the BIOS configuration to see if the BIOS detects the hard drive. If it doesn't detect the hard drive then it could be faulty. Then the hard drive needs to be replaced in the computer/laptop, Windows installed and the computer or laptop's device drivers plus your programs etc. to get a functioning computer/laptop again.

Reboot and repeatedly tap F-11 to select the restore/recovery program.

fast duble tap in left upper corner of tachpad can ON and OFF it

restart your computer repeatedly tapping the f8 key to enter safe mode while the screen is black once in safe mode where the only things working will be your keyboard and mouse allowing you to attempt to repair your computer

Windows Advanced Options Menu

Please select an option:

Safe ModeSafe Mode with NetworkingSafe Mode with Command Prompt

Enable Boot LoggingEnable VGA modeLast Known Good Configuration (your most recent settings that worked)Directory Services Restore Mode (Windows domain controllers only)Debugging Mode

Start Windows NormallyRebootReturn to OS Choices Menu

Use the up and down arrow keys to move the highlight to your choice

select safe mode with command prompt

Click start run type cmd press Enter

black screen should open DOS mode

this will vary depending on your operating system

type in net user username

For eg. If you want to change administrator password , type net user Administrator

it will prompt you to enter the new password

enter the new password and the password is changed

if this fails you will need to

Select safe mode with networking to download

you could download all of these or just one save them to a usb drive for later use if one fails to remove the password

Windows Password Recovery Basic

http://majorgeeks.com/CmosPwd_d239.html

A CMOS BIOS password recovery tool

Editors note: This tool should only be used by experienced computer users. Please see the enclosed read me if you would like to run it from Windows. Failure to follow instructions (from Windows) will cause your anti-virus to flag this as a virus.

http://majorgeeks.com/Dr._Freeware_System_Utilities_d6416.html Dr.Freeware System Utilities which includes data recovery software, data backup, password reset tools for Windows helps you to maintain your system. Dr.Freeware is freeware, you can download and use it for free.

hope this helps