Question about Toshiba SATELLITE A10 A15 A20 A25 A35 A40 A45 SATELLITE PRO M15 SERIES 15 INCH XGA LCD DISPLAY -LQ15 (LQ150X1LHC3B) CD-ROM Drive
I have a power problem with the above laptop. For the vast majority of the time it shows no lit LEDs on the front but very ocassionally they will light for about 30 secs. It is the same with the battery in or out.
This is the type of end connector to the charger:
If looking end on we call the pins left to right 1 to 4 then these are the readings i get.
The problem is further complicated by the fact i've ordered a replacement charger and when i first plugged it in the LEDs lit for about 5 secs and after that nothing. The new charger has an LED on the block whixch is not lit and i measure no Voltage whatsoever on the equivilent pins on the new charger.
I've stripped the laptop down and with the original charger i measure the same voltages on the quivilant pins on the motherboard.
I'm confused about the voltages but the original charger worked for at least a month no problem. However it is rated at 15v.
Any help appreciated.
There is no power on the cable that comes from the mains to the power block. Check the cable for continuity.
Posted on Mar 03, 2017
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Posted on Jan 02, 2017
Hi The strange operation of those LED's is most probably an error mode indicator. If a laptop fails to power on corectly it will use those LED's, lighting in a specific pattern to signal the error. That's an example. In your case something was damaged in some way because the error code indicator is still acting like there is an error. You may try to reset the BIOS to factory defaults (small chances that this will work) and leave the laptop unpowered for about 1 day. If the problem is still there you will need to have it fixed in a service center. By comparing the LED lighting pattern with information from the Toshiba service catalogs they will be able to tell you what kind of error had happen for wich the LED's to light in this manner. Sorry for my bad english, I live in a non-english speaking country. Good luck and don't forget to rate any answer received from this site.
Posted on Mar 05, 2007
Okay, lets troubleshoot this:
1)Does your laptop run on battery alone ?
yes )test your jacks continuity to the motherboard using a continuity tester or Digital Multimeter.
a)test between the center contact and the motherboard.
b)test between the outside metal cover of the jack ,and the motherboard.
c)If either of these fails continuity,replace the jack.
2)does your laptop now power up on AC ?
No)Try the BIOS upgrade.
Posted on Feb 10, 2008
The Toshiba laptops are famous for the power jack wriggling loose from the motherboard. Once it gets so loose the adapter power stops and it uses battery power until that runs out. You can usually move the power cord around until it starts working again but this is just a temporary fix and the jack will eventually need to be replaced. Most computer shops charge between 100-250 bucks for this service.
Posted on Jul 17, 2008
Get another laptop.
The A135 is a lemon.
Problem is either with the dc jack on the board or more than likely the motherboard is damaged.
I've repaired a number of A135's and 95% of the time motherboard had to be replaced.
Sorry for the bad news, but I hope this helps.
Posted on Mar 02, 2009
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