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How to repair hp pavilion dv6 laptops black screen issues

Times:12 May 2015  Hits:2529

Resolved hp pavilion Dv6 notebook black secreen problems

In this post i am going to describe you some hp notebook hard resetting software reset bios recovery and  no display tricks . and we will discussed the bios code light blinking debug code and translate it   to the code and be able to find fault . First of all we se the statuse off hp laptop dv 6 model having problem no power and display the faulty laptp is look like as image is shown below : 


when we power up laptop  the light caps lock andnumlock  keys are blinking no power up laptop only black screen no fan is working . How to troubleshoot our problem lets see the pic below:\ 



If a PC suddenly fails to boot properly, you should perform a hard reset as the first procedure.

1.    Disconnect all peripheral devices and remove all USB devices and media cards. You want to test the computer not the accessories!

2.    Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds .

3.    Reconnect the AC power adapter (but do not connect the battery), Press the Power button, Look for glowing LEDs near caps lock and num lock keys, and Listen for sounds of a disk drive and fan turning.


 if the adapter light blink all time go  to adapter  checking i.e change adapter or want to more details how to troubleshoot adapter problem   click here for more information   2 second on if your adapter light is not blinking and caps lock led glow and blinking  and no display on screen it mean the problem is in dislay section . first connect  your notebook to the external   monitor and power on the laptop if  display is working on external monitor check LCD  of laptop   and may be LCD strip should be damage change what  is faulty. if   no display on external monitor please do as i do . open the laptop and check all peripheral devices from the laptop and check it one by one with othernext step is read code  from light blink on caps lock: Code descriptions


Use the following table to learn about the meaning of a code that your computer may encounter

Code type

Number of Blinks or Beeps

Component Being Checked

Condition

Possible solution(s)

AC power adapter LED

Constantly on

Power adapter

OK. Power is being supplied.

None. The power adapter is likely not the problem.

AC power adapter LED

Constantly off

Power adapter

Power is not being supplied

Try a different power outlet.Replace power adapter.

AC power adapter LED

Continuous blinking

Power adapter

Insufficient power

Try a different power outlet.Replace power adapter.

Caps Lock/Num Lock

1

CPU

CPU not functional

Reseat replace CPU.Service

Caps Lock/Num Lock

2

BIOS

BIOS corruption failure

Restore BIOS from onboard backup (jumpers)Service

Caps Lock/Num Lock

3

Memory

Memory module error not functional

Reseat memory modules (see next section).Test memory from UEFI or BIOS. Replace bad memory modules. Service

Caps Lock/Num Lock

4

Graphics

Graphics controller not functional

Service

Caps Lock/Num Lock

5

System board

General system board failure

Service

Caps Lock/Num Lock

6

BIOS

BIOS authentication failure

Restore BIOS from onboard backup (jumpers)Service

Beep

Varies

Varies

Varies

Reseat memory modules (see next section).Service For more detail on the exact code, search the Internet for “beep code” and the manufacturer of your BIOS – such as AMI or Award.

The orignal source was taken from hp website

 


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