How To Clean Inside A Dell Inspiron B130 Laptop

In this guide I volition disassemble a Dell Inspiron B130 laptop. I'm taking it apart in order to repair failed DC ability jack.

You tin can use aforementioned instructions for Dell Inspiron 1300 and Inspiron B120 models.

In my case the power jack started declining intermittently. The laptop started switching from AC to battery power on its own. In society to switch it dorsum to the AC ability I had to fiddle with the adapter plug and observe the right position. I tested power with another adapter and it didn't piece of work properly either. The DC jack failed and had to be replaced.

In Dell Inspiron 1300/B120/B130 the DC ability jack is soldered to the motherboard.

Pace 1.

Do not forget to plough off the power and remove the battery.

Lift upwards the right side of the keyboard embrace with a small screwdriver and go along removing the encompass with your fingers.

STEP 2.

Subsequently the cover is removed you tin access two screws securing the keyboard. Remove both screws.

Footstep 3.

Lift up the keyboard and place it upside down on the palm residual.

Footstep 4.

Now you tin can access the cable connector and release the cable.

STEP 5.

Unlock the connector, pull the cable and remove the keyboard.

On the following movie the connector is displayed in the unlocked position.

Stride half-dozen.

Remove two screws securing brandish hinges on the bottom.

STEP 7.

Remove two screws securing display hinges on the back side.

Pace eight.

Disconnect the video cable connector from the motherboard.
Disconnect the wireless card antenna cable.

STEP 9.

Remove the display panel assembly.

Here'due south an instance of removing the screen.

STEP ten.

You can access the hard bulldoze, retention modules, wireless carte, optical CD/DVD drive and heat sink on the bottom.

STEP 11.

Remove the hard drive comprehend.
Pull the hard drive associates to the left and remove information technology.

Footstep 12.

Remove ane screw securing the optical CD/DVD drive.
Pull the drive to the left and remove it.

Pace 13.

It's not necessary to remove both memory modules and wireless carte du jour for the purpose of this guide but you have to disconnect the Wi-Fi antenna cable.

Stride 14.

Loosen iv silvery screws securing the oestrus sink.

Stride 15.

Pull the heat sink up and disconnect information technology from the processor.

Equally you see, the heat sink is clogged with dust and needs a practiced cleaning.

STEP sixteen.

Remove all marked screws from the bottom.

STEP 17.

Remove eight screws securing the acme embrace.
Disconnect the impact pad cablevision.
Disconnect the hat shut switch cable.
Disconnect the CMOS (RTC) battery.

In this model the lid close switch is detached module and mounted under the correct hinge.
If the lid shut switch failed, you can remove it and replace with a new ane or simply unplug the faulty switch from the motherboard and use the laptop without information technology.

Footstep 18.

Separate the top cover associates from the bottom comprehend and remove information technology.

STEP 19.

Remove v screws securing the motherboard.
Disconnect the speaker cable from the motherboard.

STEP 20.

Start removing the motherboard from the right side as it shown on the picture below.

STEP 21.

Remove motherboard from the bottom case.

The DC power jack is soldered directly to the motherboard.

Very chop-chop I establish why the power was cutting off intermittently.

As y'all see, at that place is a crack in the solder joint around the "+" pin.
The "+" pivot got oxidized and not making good connection with the motherboard.

If you resolder the jack without cleaning the "+" pin, your repair will not last.