Question about HP Pavilion dv4000 Notebook

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HP Pavilion dv4 not booting up, has blinking caps and scroll lock

My laptop is not booting up. When I turn it on, the top row of indicator lights (volume control, wireless enabled, etc) all light up, and the hard drive starts up. Then after about 2-3 seconds the hard drive powers back down, and the caps lock and scroll lock indicator lights blink 4 times in a row, then stop blinking for 5-10 seconds, the light patterns then repeat themselves over and over again.

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  • Anonymous Mar 14, 2014

    caps lock light blinking 5 times of hp probook 4520s laptop

  • Anonymous Mar 16, 2014

    after power on the power light then hard drive light blink and repeat.

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Compaq and Hp are having issues with several models, My wife just got hers repaired free out of warranty. Go to copaqs website, look up your model and see if it is one they are offering free one time repairs on. Wife's computer was doing same thing, they replaced the motherboard. Took about 2 weeks round trip . Good luck

Posted on Feb 02, 2009

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Laptop compaq v2000 not booting

Posted on Jul 21, 2013

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1 Answer

Pavilion dv4 1220us blink code 1


have you unplugged, remove battery, plug in, reboot? Try another Cord/Charger with the EXACT same power specs. Has there been any damage to the AC jack due to pulling on the cord while plugged in? Verify your DC voltage at cord plug that fits into the AC laptop jack. Have you reseated/replaced the Memory Mods? The CMOS battery? The HDD ? It sounds like a Power issue as it the Cord/Charger/AC/DC Transformer? Hard to say from here without a MultiMeter to verify. Look at HP support: http://h10025.www1.hp.com/ewfrf/wc/documentSubCategory?tmp_task=solveCategory&cc=us&dlc=en&lc=en&product=3860431

Apr 20, 2013 | PC Laptops

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My HP pavilion DV4 will turn on but not display anything. The screen remains black and the caps light/scroll lock buttons blink. Trying to figure out what it is if you can help please respond.


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

Jun 18, 2011 | HP Pavilion dv7-1132nr Notebook PC

1 Answer

Hi,i have a problem on my HP pavillion DV4 laptop.The screen went black when i turn on and the caps lock and number lock still flashing.can you help???


check out the blink codes here
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01443366&cc=us&dlc=en&lc=en&jumpid=reg_R1002_USEN

May 18, 2011 | HP Pavilion dv4000 Notebook

4 Answers

My laptop is not booting up. When I turn it on, the top row of indicator lights (volume control, wireless enabled, etc) all light up, and the hard drive starts up. Then after about 2-3 seconds the hard...


Could be one of several possible reasons. (the most likely is not promising)
Firstly, remove the battey and try it on mains power only, if this works, the battery is so badly faulted, it is causing problems in the laptop booting.

Secondly, remove each RAM module in turn and see if it boots with one ram stick, if it does, you have a defective module

Thirdly, and with HP laptops, most likely, the blink sequence you describe is related to the graphics chip. If the laptop was getting hot before this happened, its a fair bet that the chip on this has unsolderd itself (will need reballing). Google and you'll find the V and DV series which were fitted with the Nvidia chipset, were prone to this and the result of a lot of returns to HP. If it is still under any warrantly, i'd take it back, as this problem is not fixable easily

Apr 18, 2011 | HP Pavilion dv4000 Notebook

2 Answers

HP Pavilion dv4 not booting up, has blinking caps and scroll lock


try to boot in f12 format then run windows after prompt.

Feb 05, 2011 | HP Pavilion dv4000 Notebook

4 Answers

My laptop does no more boot up. As soon as i start , the caps lock and the scroll lock lights keep flashing continuously and the fan even does not run.


Well hellonihar, As far as your issue is concerned it seems to be some hardware issue. LED
Component
Error Condition
Blinking battery power LED
Battery
Insufficient charge on the battery
Blink: 1 - Caps Lock/Num Lock
CPU
CPU not functional
Blink: 2 - Caps Lock/Num Lock
BIOS
BIOS corruption failure
Blink: 3 - Caps Lock/Num Lock
Memory
Module error not functional
Blink: 4 - Caps Lock/Num Lock
Graphics
Graphics controller not functional
Blink: 5 - Caps Lock/Num Lock
System board
General system board failure
Blink: 6 - Caps Lock/Num Lock
BIOS
BIOS authentication failure

Apr 19, 2010 | HP Pavilion dv5-1000us Notebook PC

2 Answers

I have an hp pavilion dv4- 1430 us that won't turn on


I had the same problem with my hp pavilion dv4 1430 and to fix it I just took out the battery and unplugged it from the power adapter and pushed the power button and waited for a few minutes I put it all back together and started it up and the screen turns right back on.

Jan 09, 2010 | HP Pavilion dv4-1140go Laptop

1 Answer

The hp dv4 has flashing caps lock and scroll lock


Hi:
Compaq and Hp are having issues with several models, Go to the HP/Compaqs website, look up your model and see if it is one they are offering free one time repairs on. My friend's dv4 computer was doing same thing, they replaced the motherboard for free, and it took about 2 weeks to get it back.

Nov 20, 2009 | Microsoft HP Pavilion DV6276US Notebook PC

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