Having trouble with an imac a1418 (820-4668-A).

Backlight will flash on on first startup but otherwise the internal DP port is not working. Connecting to an external display works just fine.

Replaced:
F4400 with 0ohm resistor (Fuse was blown)
Display panel with known working display
Display connecter cable
Display connecter on mainboard

Curiously I am getting 12v on PP12V_LCD_F but only 7v on PP12V_LCD when the display is connected (Measured on either side of L4400)

Does that sound right and does anyone have...

I have an alienware motherboard seems to be a problem child. When I first received it, a capacitor on the board was shorted to ground preventing even being able to plug in the charger. Once the cap was replaced it worked great.

...Until later that later that evening it started behaving strangely with issues arising it the following order:
1. Stating it was charging without actually charging. (Would still boot it either adapter or battery unplugged)
2. Fans spun at 100% all the time.
3. I7 6700HQ Cpu would only run at its minimum clock of 800mhz
4. Near...

Re: GL752VW Motherboard Chip Identification

Awesome, looks like IP4220CZ6 will work as a substitute. Thank you

I'm trying to find a replacement for the chip in the attached image. I believe is either a SOT23-6 or SOT363, but I can't seem to find much else. Leg 5 (now removed) was shorted to ground (leg 2) and preventing the board from booting. Any suggestions/advise would be greatly appreciated...
[url]https://imgur.com/a/w9JVX[/url]https://I'm trying to find a replace...dvise would be