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Repair information for the HP EliteBook 2530p. This 12.1" laptop was released in late 2008. It originally shipped with Windows XP or Vista when new.

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hp2540p does not power-up after fan cleaning

hi all, i cleaned the cpu fan due to excessive noise. it does not power on after i put all pieces back again. i receive continuous white blinking on the power led when i connect the adaptor cable. i tried everything on hp support guidelines. i would appreciate if any of you have suggestions for this. thx..))

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yes i did removed the battery mike, thx for your answer..))

actually my device is an 2540p, i choosed 2530p since there was no 2540p in the options when i was submitting the question, anyway..

i did rechecked every connector as you suggested. now the behaviour of the led has changed: power led stays blue for 3 seconds and then fast flashes blue for 11 time or so then it turns yellow for half a second and it goes away. this happens only the adaptor cable is connected; when there’s only the battery, power button does not do anything.

does this mean anything new to you?

regards

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@umt

Manual refers to your "Blue" as "White" but yes it does look bluish.

Does nothing appear on the screen at all?

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@aactech no, nothing at all

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Hi @umt

I edited the answer below. Let me know about the lights including "Number of Blinking CapsLock/NumLock or Beeps"

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Your Q: Which lights are you referring to?

I’m referring the battery led.

Power button pressed when the battery is in place and the adaptor is connected: The led is amber for 2 sec, then starts flashing for 3-4 sec and goes off.

Power button pressed when the battery is in place and the adaptor is DISconnected: Led is off at all.

I appreciate your responses. nevertheless, i’m getting convinced that there’s something damaged and i should take it to a service shop..))

kind regards

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You did take the battery out before cleaning the fan, right?

Probably a connector was not proberly reconnected or was already loose during the re-assmbly.

Just recheck everything.

Here is the HP Service Manual:

http://h10032.www1.hp.com/ctg/Manual/c02...

There are a number of HP EliteBook 2530p disassemble videos on YouTube.

Now to make things clear. Which lights are you referring to?

Lights on left front:

  1. Wireless light - Blue=on; amber=off
  2. Power light - Blinking=sleep or standby; On=On; Off=Hibernation or Off
  3. Battery light - Amber=Battery charging; White=close to full charge; Blinking Amber= battery low with charger unplugged; Off=battery is fully charged when charger is plugged in.
  4. Drive light - White=drive is being accessed; Amber=drive parked by 3D DriveGuard

Number of Blinking CapsLock/NumLock or Beeps:

https://h30434.www3.hp.com/t5/Notebooks-...

New:

Have you tried resetting the BIOS?

Turn off laptop.

Unplug charger/power supply.

Remove Battery.

Open case and remove CMOS coin battery.

Press and hold power button for 20 seconds.

Put CMOS battery back in.

Plug in powersupply/charger

Press power button. Does it turn on?

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i’m away from that computer. i will try and let you know..thx a lot

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umut will be eternally grateful.
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