Problem Dell Inspiron 1545 PP41L

Model:

Dell Inspiron 1545 PP41L

Problem:

The Dell Inspiron 1545 PP41L Not Turn

Details:

Pressing The Power Button Turns On The Dell Inspiron 1545 PP41L LEDs But Does Not Display Anything On The Screen

Solution:

Rework: Reballing, Reflow Or Replacing The ATI Graphics Chip

Dell Inspiron 1545 PP41L does not start

This time I present a work on a Dell Inspiron 1545 PP41L. This model features an ATI graphics chipset that also in this version got crazy … with obvious problems of ignition / start.

Dell Inspiron 1545 PP41L problem video does not start

This time to solve the problem you can proceed in different ways. The simplest involves a reflow, which in many cases if done in a workmanlike manner is durable .

For workmanlike mean anything homemade methods such as blow dryers or ovens … well nothing solutions offered by pseudo-experts improvised on YouTube …

Otherwise, you can proceed with the replacement of the ball of tin (with new lead-containing) or complete replacement of the video processor with a brand new one (if your motherboard is intact and fully functional).

problem screen Dell Inspiron 1545 PP41L

As usual we have to disassemble the entire PC, although usually the Dell machines are built to be disassembled easily: often are sold with contracts of on-site service for which replacements of internal parts should be facilitated by hardware easily accessible.As always screws Remove all the screws of the base, detach the covers that hide the internal parts.

Characteristic of this is that Dell sinks are one of the first things, as opposed to other handsets, which must be removed.

Dell Inspiron 1545 PP41L problem does not turn on

By removing sinks see the heart of the computer: processor, chipset and ATI graphics chip.

reflow reballing video card ati dell inspiron 1545 PP41L

We dismantle the present frame above the keyboard, including the power button.

disassemble the keyboard Dell Inspiron 1545 PP41L

Take the screws that secure the keyboard and rimuoviamola unlatching the flat from the connector.

disassemble Dell Inspiron 1545 PP41L

We ride the cables WiFi card, unhook all connectors and flat.

problem ati video card Dell Inspiron 1545 PP41L

Remove the remaining screws that are on the top.

Repair Dell Inspiron 1545 PP41L

Then it’s up to the video connector and to other cables and connectors including the bluetooth (on the left in the picture you see only the cable without coupon already removed previously).

Repair Dell Inspiron 1545 PP41L

Repair Dell Inspiron 1545 PP41L

Take the screws that secure the display to the body and let’s remove it.

problems motherboard Dell Inspiron 1545 PP41L

With the help of a thick plastic we separate the two bodies: see the motherboard appear from below.

assistance motherboard Dell Inspiron 1545 PP41L

We dismantle the peripheral parts and Take the screws marked with a triangle.

mother board Dell Inspiron 1545 PP41L

We must be able to remove entirely the main motherboard separating it from everything else: there are still some flat and connectors to detach …

mother board problems Dell Inspiron 1545 PP41L

We can then remove the motherboard from the chassis. Note that the fan is fixed on the body: we will have to take it apart to clean it later, but for now let’s focus only on the motherboard.

disassemble motherboard Dell Inspiron 1545 PP41L

Prepare the motherboard Dell Inspiron 1545 PP41L: remove the backup battery, the old thermal paste this processor and puliamola well helping with paper, isopropyl alcohol and a brush.

reballing cpu gpu chipset Dell Inspiron 1545 PP41L

Then we place the motherboard on the plate and we place preheat temperature sensors

problems cpu gpu chipset Dell Inspiron 1545 PP41L

We use flux fit for purpose and based on our experience and equipment: the choice is really wide.

black screen Dell Inspiron 1545 PP41L

We start the work, as always following proper temperature curves recommended by the manufacturer of the BGA.

how to repair Dell Inspiron 1545 PP41L

If reballing Dell Inspiron 1545 PP41L or in the case of complete replacement of the ATI video chip , supplying detachment of BGA using our good air station or infrared, we eliminate the residual solder on board / component through the use of braid (all operations to be carried out with the utmost delicacy worth the detachment of some track ….) then we place the ball of tin (possibly leaded) using stencil and risaldiamo dedicated to perfection the components on the card.

A word is simple ..

Here are some photos taken during a reballing, valid for a reballing Dell Inspiron 1545 PP41L

Reballing Dell Inspiron 1545 PP41L

Reballing reflow Dell Inspiron 1545 PP41L

Reballing rework reflow Dell Inspiron 1545 PP41L

Reballing reflow chip Dell Inspiron 1545 PP41L

Reballing chip Dell Inspiron 1545 PP41L

Reballing video chip Dell Inspiron 1545 PP41L

Reballing video chip replacement Dell Inspiron 1545 PP41L

Reballing rework video chip replacement Dell Inspiron 1545 PP41L

After finishing rework let cool slowly the motherboard Dell Inspiron 1545 PP41L and in the meantime, let us dedicate ourselves to the cleaning of the fan and heatsink.

Then begin the assembly of the Dell Inspiron 1545 PP41L. In this case I adopted, to improve the heat dissipation of the GPU, a thickness of 0.5 mm wide copper as the BGA.

replace graphics chip BGA ati dell inspiron 1545 PP41L

Using thermal paste softer and lighter can keep a low profile anyway: if I had used a paste more technical (type artic) and dense I created a thickness too high. Also some pastes tend to harden over time creating too much of the voids of air: in this case, so I prefer the thermal paste white – however – in this case is of excellent quality.

I put in a quantity slightly higher, to prevent the copper send in short – when activated – some components soldered on the chip; I am also careful not to overflowing the dough over the component.

On the top of the lamella of copper in this case I do not put any pasta nor thermal pad.

replace video card ati bga Dell Inspiron 1545 PP41L

I try to mount the machine summarily text and a first power …. Result ??? The Dell Inspiron 1545 PP41L lights !! Obviously we have to test it to see if the repair is reliable and if the temperature stable …

Dell Inspiron 1545 PP41L repaired

Then remount the entire machine control and first values ​​of CPU and GPU temperature and the behavior of the fan.

Dell Inspiron 1545 PP41L repair performed

As I pulled the battery, you have to first set the date and time in bios …

bios Dell Inspiron 1545 PP41L

So the repair of our Dell Inspiron 1545 PP41L is successful! The Dell Inspiron 1545 PP41L works perfectly and is ready to deliver ..

bios Dell Inspiron 1545 PP41L fully functional

Obviously I provide care from a distance.

bios Dell Inspiron 1545 PP41L comes on smoothly

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