Pls help my compaq presario wont start up anymore.. after i put my laptop to sleep mode when i try to wake up or hit anybutton it doesnt wake up..then i press hold power button to force shut down,then i press power on it doesnt start up..it has led lights blinking on top of number lock and caps lock..pls help!!

To help you troubleshoot the issue about unable to wake up the laptop from the sleep mode, please find the link given below and follow the instructions:
http://windows.microsoft.com/en-US/windows7/Open-the-Power-troubleshooter

If issue persists, please find one more troubleshooting link given below, which may help you to resolve the issue:
http://support.hp.com/us-en/document/c01853693

GuruAid.com

Unplug all the Cables from Compaq Presario 5103 CL and leave the Keyboard, mouse and monitor cable pluged in.

Now make sure the power cable of the monitor should be pluged in and the power cable of the tower should be pluged in.

Now to check if the montor is fine just unplug the video cable only which will show no input signal on the screen. If it shows this signal the monitor is fine. Plug back in the video cable.

If the monitor is going to sleep mode it might be possible that the old computer ( Compaq Presario 5103 CL ) is in stand by mode. hit any key on the keyboard and it should come back .

If it is not in the stand by mode then do one thing. Check the same monitor with the new computer. If it is working. Perfect ..!

Do one thing now ..!

Unplug all the cables from your old system and then press the power button for 30 sec and let it go. Now plug the keyboard, mouse and the monitor try again.
If it works Perfect. If not ..!

Then you need to open the tower and check on the processor FAN is it running..? If its not running you will not get the display as the fan is responsible for the display on the screen. Otherwise...!

Check the Tower possibly the Tower is not getting the power.

Try these steps and let me know If it works

1. you will need to go into you BIOS settings for the mother board to disable the sleep mode.
2. You also have a " sleep mode" in your Windows environment.
Check how to in the "help and support" link at the start button or Windows Orb ( for Windows 7)

Connect the monitor to some other computer, e.g., a notebook, and see if it does the same thing. If it does, then the monitor is the problem.
If it does not, then your computer is not putting-out any "video" signal, and so the monitor goes to "sleep".

If you have MORE than one VGA-output port on your computer, connect your monitor to the "other" VGA port.

Or, press-and-hold the ON/OFF button on your computer, to force it to completely shutdown.

pres start buton

make sure it is properly plugged in, try hitting space bar a few times, sounds like it is in sleep mode.

Well... Sleep and Standby are not the same. While Sleep only turns off a few things, like display, WiFi, and HDD to save energy. Standby saves your session to the Hard Disk, the reason why the laptop seems unresponsible. This is the reason to uncheck Stanby if you want a fast wake-up.

press and hold the power button down for about 5 secs. The computer will shut down. Restart it and right click on the desktop, go to properties then look for screensaver tab , then choose power options, click on hibernation tab at the top and uncheck enable hibernation. Or choose stanby options and choose a longer time before the computer goes to sleep.

diver sound instaletion

Yeah, im not sure about how to fix the problem with it shutting down like that, but one option is to go under your control panel and taking off the sleep function, or putting it on a 4 hour timer so that doesnt go into sleep mode anymore. However, the problem is not your monitor but your computer. Id just take the sleep mode off, there is no need to have it on.