Not everything powers up when I turn on my disassembled computer

ok with the transmission i have had the same issue sometimes if u do alot of in town driving the fluid will build moisture and if its real cold it will freeze the light could be on cause its acting like low fluid. letting it run and shutting it off thaws it out and it runs better if so take it to another shop and have the trans fluid and filter changed first like $175 tops, try that first worked on my explorer now shifts perfect again

Did you try another Cord/Charger before disassembling? Has the AC jack been damaged due to pulling on the cord? Has there been and damage? Do you leave the laptop plugged in all the time? Any electrical surges? Do you get anything when plugged it? Charge LED?

I suggest flushing the system first, could simply be build up from leaving the cap loose, or whatnot. Refill it with a conditioning fluid, like Lucas power steering fluid. Let us know if further diagnosis is needed

un plug the monitor cables power cord everything turn off the computer the reconnect everything power back up turn on the monitor should work then

Sometimes the BIOS locks up on Boot. Doing a BIOS Upgrade from the Manufacture should help. A Pro should do this... any mistake can be catastrophic. Other conditions is the HD... Age, Fragmatation or Erros could cause the HD not to be read the first time or cause a Boot delay

Just fixed mine :)

Biggest mistake was to try to open the monitor itself :( But I didn't brake anything :D

You just have to gently open the transformer unit (power brick) and replace two identical 1000uF 16V capacitors.
Here's how:
Remove the power cord first, to discharge the capacitors to avoid any nasty shocks when inside. Remove two rubber feet on the bottom side of the power brick. Just use your nail and lift them. Put them safely for later assembling. Unscrew two screws you just found under the removed feet. Now you have to unlock the other side held together by plastic locks. Try to apply pushing force and toque with screwdriver just where the seam is meeting the power cord socket's edge. Look for two identical capacitors and check if the tops are bulged of broken. I assume they are but you can try this method anyway. When the unit is disassembled you'll have to unsolder at least one of the wires that hold shielding plate on the bottom of the circuit board. Then unsolder the two capacitors (1000uF 16V). Replace them with the same type (1000uF) and the closest voltage possible. I have replaced mine with 1000uF 24V ones and so far I'm typing :D
That's it. If you have done this and looked for other damaged capacitors and replaced them also... Well then good luck disassembling the monitor unit and checking on inverter and lamps ;)

Cheers!

happnd ta me 2 fan waz broken i had ta fukn buy a nu 1....sory mate , ax the shop where ya boht or else try ta buy a nu wun....

My receiver was turned on and plugged into a surge protector along with my LCD TV. The power went out and everything shut down.