difficulties to switch on my iMac when it was coldHello, As my problem is quiet the same, I don't know if I have to open a new topic? For sometime, I had more and more difficu...
Rispondi a: Canon 500D Hard ResetHi, My Rebel T1 / 500D / Kiss X3 is suddenly dead (after a blue light flashing near the WB button until I removed the main Battery). I've tried everything: change the main Battery, the SD Card, change and remove the optic, removed the main battery for a whole night, but nothing change, no power at all… Do you think a dead button battery could cause this issue, or is it simply an electronic issue? If anyone has a clue, I will grateful : ) Thierry
Rispondi a: Logic board or power supply?Hello, As my problem is quiet the same, I don't know if I have to open a new topic? For sometime, I had more and more difficulties to switch on my iMac when it was cold (after a night or more, I had to reboot it up to 30 time to really wake it up!), and a lot of sudden "sleep mode" with anything to do but reboot it… Few days ago, finally refuse to boot: no gray screen, no sound, just the light on in the right corner… and a new weird sound when it tries to boot! After trying everything I could (reset PMU, PRAM, change the ram etc etc), I decided to open it. I cleaned it of all the dust accumulated in 2 years (when I changed the original HD) and checked everything I could, but I didn't notice anything suspect. The 1st LED is lit when the cable is connected,and when I push the power button, the 2 and 3 are lighting up too (and stay lit), and that's all. The fans are on, everything else seems to light on, but there is still the same unusual noise and the display stay black and the HD don't seem to start up. Only ...