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It'd be a good idea to check if the laptop is actually booting up or not getting anywhere at all. You can check this two ways, fairly accurately.
First of all, the best way to check is to plug your laptop into another external monitor, you should be able to do this with the VGA connector on the left side of your laptop. You can do this with any monitor that's used with a PC. See if the monitor turns on when the laptop starts.
If you don't have an external monitor to try, the numlock, caps lock and scroll lock keys on your keyboard should show that they're active by the LED that shows they're on or not. Turn it on and let it boot up (give it a few seconds or minutes to be sure), then press numlock or caps lock or scroll lock and see if the LEDs for those keys turn on or not.
If the external monitor works, or the LEDs are functioning as normal, it's likely that the monitor has a loose connection inside or that the monitor is entirely broken. Since the monitor is flashing white when you turn the laptop off, it would sound to me that the inbuilt monitor is connected but not working.
If the external monitor doesn't work, and the LEDs for capslock etc don't respond, then it's likely that something else is wrong with the laptop entirely.
It will be helpful to know what happens to narrow down additional help.
How tosavedata Tosavedata, use softwarefullversion, for example,youcan useEASEUSData Recovery.After the data issaved, do therepairflashdrive.
Repairflash drive Kingston 1.Right-click theflashdrive,selectFormat- selectquickformat.Ifthis does not work, don'trepeat,dothesecond. 2.Format fromAdministrative Tools. WinXP: clickSTART-ControlPanel-Administrative Tools-Computer Management-DiskManagement-right clickthe flashdrive-selectFormat-selectquickformat WinVista& 7: clickSTART-ControlPanel- selectViewby:Large Icons-Administrative Tools-Computer Management-DiskManagement-right clickthe flashdrive-selectFormat-Performaquick format-OK.Ifthis does not work, don'trepeat,dothe third process. 3.Formatusing thesoftware,the HPUSBDisk StorageFormat Tool.Make the processquickformat.Ifthis does not work, don'trepeat,dothefourth. 4. Repair the flash drive using the software HP Drive Key Boot Utility (Support Win XP, Vista, 7)
How to install the HP Drive Key Boot Utility to the operating system Win XP: double click the file cp006049.exe - select Install Win Vista & 7: double click the file cp006049.exe - select extract
How to use the software HP Drive Key Boot Utility
For Win XP, first way Insert the flash drive - open the HP Drive Key Boot Utility - Next - select flash drives - Next - Create New or Replace ..., select Next - Next select Hard Drive - Create New File system, select Next - wait for the process is completed - Select Next - HP firmware Flash ..., select Next - wait for the process is completed - finish. Then, quick format the flash drive.
For Win XP, second way Insert the flash drive - open the HP Drive Key Boot Utility - Next - select flash drives - Next - select Backup/Restore - Next - click Restore - click browse, open file C:\Program Files\Compaq\hpdkbu\ flash\initrd.img - Next - wait until the process is complete.
For Win Vista & 7, first way Insert the flash drive - double click cp006049.exe - for example, extract to C:\HP Drive Key Boot. Open folder C:\HP Drive Key Boot then double click file hpdkbu.exe - Next - select flash drives - Next - Create New or Replace ..., select Next - Next select Hard Drive - Create New File system, select Next - wait for the process is completed - Select Next - HP firmware Flash ..., select Next - wait for the process is completed - finish. Then, quick format the flash drive.
For Win Vista & 7, second way Insert the flash drive - double click file hpdkbu.exe - Next - select flash drives - Next - select Backup/Restore - Next - click Restore - click browse, open file C:\HP Drive Key Boot\initrd.img - Next - wait until the process is complete.
Description initrd.img files, the image file for the schema partition flash drive capacity <= 2GB. For capacity >2GB, example: 4GB, 8GB, 16GB, 32GB, etc when we use the initrd.img file, will be changed to 2GB capacity. To restore the capacity of flash drives, do the Low Level Format. To make the process of Low Level Format, use software HDD Low Level Format Tool.
How to restore the capacity of flash drive Kingston
Open HDD Low Level Format Tool - select drive - Continue - click S.M.A.R.T - click Get SMART Attributes - click the tab LOW LEVEL FORMAT - click Format This Device - wait for the process is completed - Finish. Then, remove the flash drive from the computer, then insert it again. Then do a quick format the flash drive. Finish
Check under "Power Options" of the control panel of Windows that "Turn off Monitor" is set to "Never" Also check under the advanced tab of "Power options" that "When I press the sleep button on my computer" its set to "Do Nothing"
This will most likely solve your problem. the sleep button may be stuck on the keyboard causing the pc to quickly go into sleep mode
For all troubleshooting, have the notebook connected to the DC power supply. Does the power stay on? if the power goes off are you getting any beep codes or do the leds flash in a specific pattern? if no beep/led codes, and system turns off, then it's likely to be a bad system board or cpu. if power stays on, but you see nothing on the display, the lcd could have gone bad. can you connect an external monitor to this unit?
On the back of the chassis, there are 4 LEDs above the PS2 connections marked ABCD what do they indicate? During the boot process the lights normally flash on and off green, when the boot process is complete, they should all be green GGGG.
If any are Amber then they are indicating a power on self test (POST) failure. AAGG is bad memory for example.
Try another (Known good monitor). Or try you're monitor on another system.
Remove all memory except 1 DIMM. Double check all data cables (internally) & power cables. Remove the added video card. Try booting the system. Watch for the case LEDs to flash/blink, listen for hard drive spin up /cd-rom spin up. Lastly pull the battery & check with a volt meter. Bios battery should test no less than 3 volts. Post the correct MD rev.