Portable Devices


My acer aspire shows no light when power on. Test the laptop with another AC adapter. Once you open it up, drill holes around it. I have disassembled and reassembled it 3 times tried it without memory battery,hdd etc. I ordered another, plugged it in, still dead.

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Make sure the new AC adapter is compatible with the original one. Where can I purchase a fuse if the one in my laptop has gone bad?

Laptop does not start. Is it bad power jack or motherboard?

You have two RAM modules installed, correct? So after adjusting it to 20V and finding the correct jack, I plugged it in — and after 15 minutes — sony vaio vgn – bx760 Running without thermal compound can damage the CPU but at lease the laptop should start with video for a while.

When the bad module is removed, the laptop should start properly.

Laptop does not start. Is it bad power jack or motherboard? – Inside my laptop

I tried another charger but same result. When i plug in my adapter, the laptop doesnt respond — not charge battery, doesnt turn on, leds do not respond…etc. The sony vaio vgn – bx760 jack plugged directly into the motherboard. What may be not function??? I have HP DV series Laptop, everything was working fine till last month while playing game screen suddenly filled with color stripes, I turned it off and restarted again, everything went fine for sometime and later same thing happened.

Fgn have a laptop and whenever i switch my laptop on the green light goes on but the screen shows nothing. The laptop is not powering up at all.

Will it fix the problem? Do you see any sight of life at all?

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I only hear the hard drive spin if I plug in the power while holding the power button. Do you know vgb your laptop has two memory modules installed? Does this laptop have a power board. On the back of the adaptor it should be Is there an easier way to try pinpoint the source of this fault? Any suggestions of what it might be? As you see on the first picture, in my example the power adapter plugs into the DC-IN power jack which is connected to the motherboard via a harness. Sir i am sony vaio vgn – bx760 studio dell laptop.

The laptop should start properly when the bad module removed. So, by this post, it would suggest the cable is bad. Means they must be connected to the laptop and the laptop must be ON then you can actually use your multi-meter to measure the voltages.

Disconnected everything and leave only the motherboard, processor with fan and RAM modules. It was beeping and not charging the laptop…so I safely shut down the laptop and reordered a new power adapter, not thinking much of it. Now it is not booting. Nothing shows in the screen. Pls what can i do sir to solve this problem. Sonh means the motherboard has to be replaced. It would overheat aLOT and then finally one day while I was sitting with it on a board on my lap while playing a game, it just went out.

Sony vaio vgn – bx760 believe it should light solid.

No, 4 volts is not sufficient to start the laptop. Also, I would take a closer look at the DC jack and inspect it for any visual damage. Do not replace the motherboard. Start installing components into the case and test after each step.

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