Archive for the ‘By Brand’ Category

How to replace LCD hinges -Video

How to replace LCD hinges on a laptop. Large video, please allow some time to load.

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Dell diagnostic light codes – Latitude 2100

The page shows how to read the Dell diagnostic light codes. Click here for more info.

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Toshiba A200 A205 won’t power on with AC works on battery.

Toshiba A200 either freeze or won’t power on when plugged in with AC adapter. Works fine with just the battery. If laptop is running and you plug in the AC adapter the system will freeze. If the laptop is off and you try to power it on with the AC adapter plugged in the laptop […]

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Compaq nw82x0 deries 8220 8230 overheating issue.

overheating Southbridge develops a cold joint (under the touchpad) and it is insanely hot. If you hold southbridge down with your finger it boots just fine. Perform reflow to correct cold joint issue.

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Acer 5220 common issue.

Acer aspire 5220 (and similar) nVidia all in one northbridge develops a cold joint (Separate GPU is OK) Reflow to correct issue.

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Acer 3100 5100 boot up with error.

Most Common Error Message: Bus:06 Device:02 Function:00 ERROR Resource Conflict – PCI in slot 03 Bus:06 Device:04 Function:00 through 04 individual messages of course. All PCI devices run through the south bridge of the motherboard. So looking in this region graphics and PCI devices I found BGA ATI CHIP was the cause. Perform reflow on […]

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Compaq NW800 won’t boot

Graphic card (ATI) develops a cold joint and laptop refuses to boot. If you press down on the middle of the keyboard it will work for some time. Reflow with preheating will correct this issue.

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Asus A6000 boots but no display.

Asus A6000 Main chip (next to the cpu) – Sis – develops a cold joint Laptop does not display a picture when booting, it sometimes boots every 10 or more tries. Reflow with flux and that should fix it. Preheat the bottom side helps the reflow process.

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Dell Latitude D630 no power fix.

Testing the MOSFET near power in section for short.

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Replacement motherboard

When buying replacement make sure to buy one with the exact same part number. Even same model may have different motherboards.  See example below. Both are to for the same model.

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