Question about HP Pavilion dv2000t Notebook

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Hp 2000 will not power on but power light is on

Power light is on. Wick light is on. Caps lock light is blinking. But the computer does not get past the black screen

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

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

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

cgpatron990
  • 66 Answers

SOURCE: screen black but led lights on hp g71

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

  • 1082 Answers

SOURCE: My HP Pavilion dv5-1125nr entertainment PC

Try hooking the laptop to a desktop monitor. This will verify what is failing. If all works, then you have a bad LCD screen. If you get the same problem, you have a motherboard problem which is probably not worth fixing.

Posted on Sep 08, 2010

  • 2 Answers

SOURCE: my compaq presario cq40 is

Please get and test your Display chipset this causes that problem as you walkthrough the steps of how BIOS works. It stops from the execution of the program written to test the functionality of the output which is your DISPLAY or LCD screen or PRN.

This might cost you around RM200 bucks.

Posted on Aug 26, 2011

joecoolvette
  • 5660 Answers

SOURCE: Hp laptop... black screen... caps lock flashes 5

When the Caps Lock flashes, it is then being used in a diagnostic mode. 5 times flashing means a problem with the System Board.

Motherboard.

I don't doubt it.

Two common problems, all based on one issue.
Overheating.

1) Problem One;

Primer;
The Processor, and the GPU are the two hardware components that produce the most heat.

[ GPU = Graphics Processing Unit. Slang? Graphics chipset,

Chip and Chipset are slang terms for I.C.
Integrated Circuit,

http://en.wikipedia.org/wiki/Integrated_circuit

GPU,

http://en.wikipedia.org/wiki/GPU ]

It could be something as simple as foam has melted, and melted down onto the motherboard, near the Processor socket. Removal puts the laptop back into service again.

It could be much more complicated, and follow an issue that has beleaguered the HP Pavilion dv2000 series, dv6000 series, and dv9000 series.

The cooling system for the GPU is inefficient. Allows the GPU to overheat.
Constant overheating partially melts the solder connections of the GPU to the motherboard.

The graphics chipset (GPU) is mounted to the motherboard with a BGA surface mount.
Ball Grid Array,

http://en.wikipedia.org/wiki/Ball_grid_array

To explain the BGA surface mount;
Compare to an older Intel Pentium 4 processor, and it's Socket 478 processor socket,

http://en.wikipedia.org/wiki/Socket_478

The processor has contact pins on the bottom. (478 of 'em) These line up with matching socket holes in the Socket 478 processor socket. (478)

With a BGA surface mount there are no contact pins, nor socket holes.
Solder Balls take the place of the contact pins, and Copper Pads take the place of the socket holes.

The graphics chipset's Solder Balls, are lined up with the matching Copper Pads on the motherboard.
Heat is then applied at a specific temperature, and length of time.

This procedure melts the Solder Balls, and solders the graphics chipset to the Copper Pads.
(Motherboard)

With constant overheating the solder connections that were created, start to melt. This creates a poor connection.

The professional method to repair this problem, is to use a BGA Rework Machine, to Properly re-solder the connections.

Due to the location of repair shops that have a BGA Rework Machine, and the C-O-S-T, many are attempting to perform the procedure with a non-professional method.

A thin metal shield is cutout in the middle, for the graphics chipset. This shield is set over the graphics chipset, and lays on the motherboard. Heat is then kept just to the graphics chipset, and the other components on the motherboard are protected.

Heat is applied with a propane torch, or a hot air gun, (Not hair dryer), in a circular (Spiral), pattern to the graphics chipset. With a more proper method used, the tip of a thermometer that can read this heat range, is laid on the chipset, and is used to keep the chipset at a specific temperature.

(Too much heat will burn up the chipset. Too little will not properly remelt the solder connections. A Cold Solder joint, or joints, will result)

The heat from the heating instrument, (Propane Torch/Hot Air Gun), is rotated around in a spiral pattern on the chipset. Constant moving around to distribute the heat evenly.
(You do not want a 'hot spot')

When the specific heat range is met, the heating instrument is slowly moved away from the chipset.

Move up an inch or so, keep spiraling. Then move up another inch or so, and keep spiraling the heat source. Slowly move up in increments while spiraling. S-L-O-W-L-Y back away. Method is used so that the chipset slowly cools down. Otherwise a cold solder joint, or joints, could result.
(Right back to where you started)

This link is to a video that shows one style of the procedure. It is not an advertisement for the video, just linked for the procedure information,

http://www.youtube.com/watch?v=bnkQNmKauEc&feature=pyv&ad=5823851286&kw=DV9000

For additional questions please post in a Comment.

Regards,
joecoolvette

Posted on Nov 12, 2011

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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


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caps lock blink once: cpu error
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please, what is the numer of the blink ?

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Flashing yellow light


attery 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 c02983514.gif 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.

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What does it mean when your laptop's power lights flash ? Including the power button?


"The following table illustrates the meaning of blink codes used on some notebooks with EFI environment.
The blink or beep codes on your computer may have different meanings. When you contact HP for
support, the agent needs to know the model of your computer and may ask you about blinking LEDs
or beeping tones to help troubleshoot a startup problem.Meaning of Sample Blink Codes for some EFI Notebooks Number of Blinks or BeepsLocation of Blinking LEDsComponent Being CheckedError Condition
Continuous glowBattery power LEDBatteryThe AC adapter is attached and the battery is charging, but does not yet have sufficient charge to power the notebook.
1time---Caps Lock/Num Lock-----CPU------------------CPU not functional
2time---Caps Lock/Num Lock-----BIOS----------------BIOS corruption failure
3time---Caps Lock/Num Lock-----Memory-------------Module error not functional
4time---Caps Lock/Num Lock-----Graphics--------------Graphics controller not functional
5time---Caps Lock/Num Lock-----System board----------General system board failure
6time---Caps Lock/Num Lock-----BIOS-------------------BIOS authentication failure
Continuous blinkAC power adapter LEDPower adapter Insufficient power"

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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

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1 Answer

I have a HP Pavilion tx 2000 tablet pc. When i turn it on the power button it shows that its on. The hard drive light does not flash and the caps lock and the number lock button keeps on blinking. My...


Hi

Boss you need to mention here in what sequence do the lights blink.

Anyways you can take help from this

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
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Power light comes on but not working


First you need to determine how many blinks you are getting when you try to power on the laptop. Check the blinking codes below and reason behind that for HP Compaq laptops 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 You need to first Remove the memory module (RAM)- Try to power on the laptop ? then again reset it and try to power on. Check whether it is coming on or not. try the same procedure with Hard drive. If laptop is getting power on after removing one of the device then we can be sure that that particular device is faulty and we can change that then? Let me know if you find any difficulties doing this.. I hope this will help you to get it work. Plz vote for me..Dreamkam

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Compaq 6735s notebook pc goes to HP screen, but wont boot


Hi,

First you need to determine how many blinks you are getting when you try to power on the laptop.
Check the blinking codes below and reason behind that for HP Compaq laptops

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

Plz get back so I can suggest you the steps to resolve the issue.

Dreamkam

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First you need to determine how many blinks you are getting when you try to power on the laptop. Check the blinking codes below and reason behind that for HP Compaq laptops 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 Well Check for the below link it will provide you the steps which you need to perform to isolate the cause so that we can determine which hardware of the laptop is causing this issue. http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01443366&cc=us&lc=en&dlc=en You need to first Remove the memory module (RAM)- Try to power on the laptop ? then again reset it and try to power on. Check whether it is coming on or not. try the same procedure with Hard drive. If laptop is getting power on after removing one of the device then we can be sure that that particular device is faulty and we can change that then? Let me know if you find any difficulties doing this.. I hope this will help you to get it work. Plz vote for me..Dreamkam

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