I will try some of the things that I have read on your site when I get home today. I tend to think this is a bios problem and often wonder if is something with the video but cant put finger on it. Tried resetting the ram, external monitor, pulling the battery, and a number of other things. Test your laptop with each memory module in each slot. I get NO lights at all ,no fan , not a thing — except for a very feint, very high pitched sound coming from the centre of the motherboard. When a different CPU is connected it still does noy start up. The CPU light does not illuminate.

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So now i fear the motherboard is damaged. I figured out that the problem was with the heat sink being too much tightly fastened on the CPU I had fasten that myself once s4704 cleaning the fan. I refer toshiba satellite a135 s7404 xp your web sidemy hp compaq presario v mother board confirm dead.

Laptop is dead. How to troubleshoot.

Anyway thanks a million for your ideas and ticks and we expect more postings for you in future. Motherboard like in most cases it has onboard graphics chip. I think z135 might be the motherboard problem. Because the post codes are issued to the parallel port I would have expected that someone would have written toshiba satellite a135 s7404 xp program to log these messages on another PC via a direct parallel port cable connection.

Thanks much my dear! That sounds like bad solder joints somewhere on the motherboard.

Try reconnecting the video cable on both ends and check out if this helps. Any advice would be appreciated. The weirdest thing is that sometimes it does not happen, it stays on forever.

I can help you but I am in Davao City.

Laptop is dead. How to troubleshoot. | Laptop Repair

Have you tried replacing the memory module with a known good module? This board have a Power Button Board on it, maybe there is some short circuit?? Straightforward, simple toshiba satellite a135 s7404 xp effective. Well if i plug it into the wall the power light flashes but nothing, if I put in the battery and push the power the light flashes for a brief moment also then dead, this keeps happening each time I undo the s740 and plug it in, as well as withe power cord.

Does you know of any such software? Stayed on toshibs failed again after I powered it off. Also, take a look inside the laptop toshiba satellite a135 s7404 xp. Pulled out CMOS battery and reseated it, not it. I have Toshiba A laptop, it has suddenly stopped working, the power n charging led come up when i power on the laptop the cpu cooling fan spins and stops in few seconds and no display comes on.

Thanks for the trick. Pressing power button causes one flash of LED by power button and the power indicators at the bottom left of the case.

First of all, try reconnecting the video cable. It just happen last night. No turning of hard drive or DVD or key board… any ideas what it could be???

BIOS Setup / BIOS settings — access instructions

However, my touch pad was not working. Now I have gotten to the point where it wont boot up all the time. I have a s77404 us hp laptop. If it sits cold, nothing for 20 minutes.

Make sure the laptop is powered down. The bare bone system includes: I heat the mainboard with the hot air station sateplite the upper toshiba satellite a135 s7404 xp corner both sides, of course and it works!

I have a laptop Hp pavilion DV6.

Do you have two memory modules installed? Or, where can I find a replacement button? It is behaving strangely. Satelllite you have two modules, toshiba satellite a135 s7404 xp removing them one by one. Do you think this is a motherboard problem, or a power problem?

Followed your steps and found it was the memory. The WLAN light flash as well. It might have been infected by satelpite virus. When I press the power button, the power and battery LEDs flash then go off. Did you test the laptop with an external screen?

Not accept pen drives. Refreshing the screen clears it up sometime. During this time I dont move the laptop or try to fix it it just stops charging and startgs again by itself. So I left it in the toshiba satellite a135 s7404 xp of my closet in a safe location until I could afford a new toshiba satellite a135 s7404 xp. Information This bulletin documents the several different methods for gaining access to the BIOS Setup feature ss7404 most models of Toshiba computers.

Maybe when you plug the AC adapter, the CPU starts running full speed instead of lower speed for the battery mode. Just fan spinning and power light and nothing else.