I have a acer tc-780-acki3 desstop with 7th gen intel core processor 7100 with sgb ddr4 ram and dual monitors. I opened my pc while unplugged to clean off the dust from the fan and the heat sink i carefully disconnected it and proceeded to clean it out then I placed everything back inside carefully closed it up and plugged everything back and powered on the system thats when i noticed my keyboard came on then went off an i took the panel of off and noticed the fan twitched so I unplugged it then plugged it back in after five minutes then it powered up hard drive spinning, fan mouse and keyboard lit up but my monitor said no signal and i notice the backlight to the power button wasnt lit.
SOURCE: computer wont send signal to monitor
Make sure that the memory is completely seated in the slots. try re seating them.
If that does not do it, Find JP1, put the jumper so it is on both pins, then back on only one. this resets the bios.
Next time cleaning out the computer, just spray it out real good with a can of air, don't remove anything.
SOURCE: my computer is not showing display
if the cpu is working and monitor also too
then change the batter in mother board
i 2 got similar prob recently
SOURCE: Acer T180 will not boot or power on. It has a bad attitude!
Try tapping F2 as it is booting to get in safemode. If that works we're in business.
SOURCE: on first power up, no video, no sound.
hi
*********** board dead
hope ur smps &ram also ok ......
pl z check motherboard near pc service care.......
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