Hi, so it's a real computer? If so, check the NVRAM/PRAM stuff. Also make sure the battery is fine. Some Macs won't run with a dead battery (no signs of life, no error mrssage). And if a new battery is installed, they need a a reset of the aforementioned RAMs. HI YES ITS A REAL COMPUTER I HAVE A …

Hi all , i need help i have an Mac IIvx that when i boot it on the screen go on and it's shows VGA sign but no picture is seen i have replace all the caps on the board and its still the same any one cane help ?

Hi all , i need help i have an Mac IIvx that when i boot it on the screen go on and it's shows VGA sign but no picture is seen i have replace all the caps on the board and its still the same any one cane help ?

hellow i have bought hp xu 4100 workstation and that card is inside it do any one know what is it for

Most certainly a capacitor, identical to C615 and C616 above it. Desolder one of them and measure it if you have the means, if not, use 10-100nF. But by the looks of it, it's one or more corroded traces that are preventing your board from starting. Thanks A Lot, I bought a capacitor 100nf , will …

Hello I have a board I bought with an Intel i386 processor, and when I tried to turn it on it did not turn on, after checking that the old battery leaked and it melted a small chip that was next to it, I cleaned the place but can not find such a chip, does anyone have a creative solution to turn on …

thank you i will try

hello I have a CGA card I bought from a friend who does not have a manufacturer, I searched and did not find any information I connect it to the IBM 8081 XT computer and it detects it monochrome There are jumpers on it that I'm sure will help with the definition just do not know how Someone can …