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I have a hp probook 4430 and every time i try to

I have a hp probook 4430 and every time i try to turn it on the screen won't come on but the power button light its on and the caps lock key its blinking,it happened after it was updating and it went dead in the middle of it. Help please

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New screen...

Posted on Jun 06, 2013

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Try this quick fix first. Remove the battery, unplug the ac adapter and hold in the power button, plug the ac adapter back in and turn on.

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cgpatron990
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It may be a hardware error. Call HP and see about your warranty.
A lot of HP's new laptops have hardware defects, which could happen at any time from the day you buy it. Have it sent in and have it repaired for free.

Posted on Jan 24, 2010

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SOURCE: Dell Vostro 1510 Laptop; cant get anything on the screen

Same thing happened to me.
I stumbled on this link and the solution made sense to me.
http://en.community.dell.com/dell-groups/new-to-community/f/3511/t/19323146.aspx

What I did was to nudge in the Hard drive to make sure it wasn't loose and press down slightly on the processor even though it didnt feel loose.

Worked for me. Though I'd help someone else since someone else 's post helped me.

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bad hard drive or memory card is loose more likely bad hard drive...have it tested...

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joecoolvette
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SOURCE: My HP pavilion DV4 will turn on but not display

AC adapter (Charger) removed from the laptop, remove the Battery. Wait 1 minute then reinstall the Battery.

Post your findings in a Comment.

Regards,
joecoolvette

Posted on Jun 18, 2011

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1 Answer

I have an hp G42 notebook when i hit the power button i hear it turn on but nothing happens only the caps lock key light begins to blink


hp blink error code:
caps lock blink once: cpu error
caps lock blink twice: bios problem
etc,,,,
please, what is the numer of the blink ?

Feb 14, 2014 | Computers & Internet

2 Answers

Hp probook 4710s won't boot


When you plug in the power cord is there any lights whatsoever on the laptop, where the plug goes in or on the AC Adapter of the power cord?

When you press the power button do you hear fans running, hard drive spinning, lights on the computer, hear any beeps or lights constantly blinking, hear the DvD/CD drive click and the light on the drawer of the DvD/CD turn on for a second or two? If so the laptop is trying to boot or may have booted, but the screen is not showing for some reason.

Beep tones and blinking lights tells the technicians what is going on with the laptop and why it is not booting. Most times it's a motherboard issue when you hear beeps or blinking lights continuous. Most times the problem is with the memory or Video Card. Count the Blinking Lights or Beeps and take note of their pattern (1 Long or 1 Long followed by 2 Short).

Maybe your power cord is bad if you don't get anything to happen whatsoever when you press the power button. And if that's true maybe you was operating off the battery the last time you had it on and since the power cord is bad, it was not charging the battery so the battery is drained and the power cord is bad.

Maybe you have a Static Charge Buildup. Remove the Power Cord, Remove the Battery, then Press and Hold the power button for 30 seconds. After 30 seconds plug the power cord back in (leave the battery out) and hit the power button to see if it boots. If it does, you can put the battery back in and let it charge.


Maybe your DC Power Jack which is where the power cord plugs into the computer is bad. Take an ink pen and push the tip inside the jack and see if the little pin wiggles, if so the jack is bad. You'll have to take the laptop apart to fix it. Most times it is soldered onto the motherboard, so you will have to desolder the old and solder a new one.


Maybe your memory is bad or the memory slot is bad.

Remove the Power Cord, Remove the Battery, Remove the cover that houses the memory on the bottom of the laptop then remove one of the memory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x on it with an ink pen. If it fails to boot then move the chip to the next memory slot and try rebooting. If it fails take the chip out and set it aside, then put the other chip in and try booting it in both slots. If it boots, just to verify that the chip set aside is bad, mark an x on it and put it into the open memory chip slot and try booting.

May 07, 2012 | HP ProBook 4710s Notebook

1 Answer

I spilled liquid on my HP Probook 4320S (with spill resistant keyboard). Dried it up straight afterwards. Now it won't power up


Take it to a service shop asp, key board will need to be replaced, and the laptop will need to be assessed for motherboard damage.

May 06, 2012 | HEWLETT-PACKARD ProBook 4320s C Notebook

1 Answer

Hp4530 probook caps light blinking


Maybe you have the caps lock on. Hit caps lock and see if it stops blinking? Is that the only problem you're having? Does the computer run ok otherwise?

Mar 31, 2012 | HP ProBook 6540b Notebook

1 Answer

How to turn on the machine?


what the meaning with your question ?
your HP ProBook Charging oke but won't turn on ?
or not charging and won't turn on ?
or What ?

if i see your question "How to Turn on the Machine ? "
of course the answer is " By pressing the Power Button or Power Swith "

Jan 06, 2012 | HEWLETT-PACKARD HP ProBook 6550b Notebook

2 Answers

My laptop screen is black and caps lock and scroll key are flashing


That is a security configuration on HP Laptops, depending on the way they blink is the problem your machine has.

Here is the web page where this info is posted, in case you need more info, hope this helps you to determain.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01443366&lc=en&dlc=en&cc=uk&lang=en&rule=26781&product=3816592
This document pertains to HP Notebook PCs with the HP Unified Extensible Firmware Interface (UEFI) beginning in late-2008. On startup, you may see a blank screen. If the diagnostic utilities detect a specific problem with hardware components, the fan turns on, but the screen remains blank. To help identify the cause of the problem, various LED lights on the keyboard blink a series of codes. The diagnostic utilities use the LEDs near the Num Lock or Caps Lock keys to blink a series of error codes. At the end of the series the blinking stops. The pattern of blinks will occur any time you attempt to start the computer until the error is resolved. Battery power LED blinks The Battery power LED indicates the condition of the power supply. When starting the computer, or when the computer is in operation, use the chart to identify the power condition. Battery Power LED Component Tested Error Condition Battery power LED off, and Caps Lock/Num Lock off Battery or AC Adapter AC adapter not connected or failure

Battery low charge or failure Battery power LED blinking Battery Insufficient charge on the battery When new computer is used for first time, the white LED light for the AC power connector blinks. Battery is still in "Shipping Mode", the light continues to blink even when AC power is connected.

To resolve, turn off notebook, connect AC power and allow battery to charge for at least 30 minutes, then start computer. LEDs near Caps Lock and Number Lock keys blink when starting notebook The LED lights near the Caps Lock and Num Lock keys will blink if an error is detected during the start up process. The LEDs will blink a number of times in a sequence and then stop. The number of blinks in the sequence indicates what component caused an error when it was being tested during start up. If the LEDs stop blinking and the computer does not start, you can press the power button again to repeat the tests. Count the number of blinks, and use the chart to identify the error condition. Knowing the number of blinks is helpful when you contact an HP support agent for technical help. Caps Lock/Num Lock LED Component Tested Error Condition LEDs blink 1 time CPU CPU not functional LEDs blink 2 times BIOS BIOS corruption failure LEDs blink 3 times Memory Module error not functional LEDs blink 4 times Graphics Graphics controller not functional LEDs blink 5 times System board General system board failure LEDs blink 6 times BIOS BIOS authentication failure

Dec 01, 2011 | HP Computers & Internet

1 Answer

Hp dv5020us won't boot. upon power up I get some brief hard drive activity and fan noise. No blinking LED error codes. Caps and/or Num lock LED's do not light. Power LED will glow and HD...


step one, big battery out? skipped that?
step 2, a good power pack , that means 19vdc on those 2 pins.
bingo BIOS screen now work ,yes?
step 3, try an external VGA screen at the P15 VGA jack there
screens work now (BIOS first) yes/no?

remove DVD, drive
and all USB devices
there booting with only 1 memory stick. (got more?, try each 1 by 1)
black screens of *****'.

the lack of flash codes, Implies Power pack is dead. or CPU overheated, and selfshuts down. that fan going dead tells
me the power park is dead.

http://pcdied.com/#black-screens

May 01, 2017 | HP Pavilion dv5020us Notebook

1 Answer

My HP Pavilion dv5 1125nr laptop won't boot up. The screen never lights up when the power is turned on, the little hard drive light next to the power light doesn't flash at all (normally it flashes...


check by removing the battery then put it back again power it on, or without battery power it on directly then check, if still the same problem, the fault is in the motherboard of the laptop, better take it the service center or consult some technician in your area

Aug 02, 2011 | HP Pavilion dv5-1125nr Notebook

1 Answer

Hell! I bought Hp probooks 4520 recently in early week it was runnig good but after a week its numpad is not working I don't know what happened to it. I tried so many thing but still not working anyone...


Hi

There is a key - Like Caps Lock - that activates the numpad, called Num Lock, and indicates that activation with light.


If not activated, the numpad will act as arrow keys.

Please, Tell us your results.
Good Luck

May 16, 2011 | HEWLETT-PACKARD ProBook 4520s Notebook

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