Hello friends, this laptop was working fine till after someone plugged ln a wrong charger, now only work with battery. I need help on how to fix it please
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Last edited by hispeck; 10-12-2018, 11:03 PM. -
Re: Compaq 6715b work with battery only
Get the schematic and test the first mosfet after the DC in jack . -
Re: Compaq 6715b work with battery only
Please don't have the schematic, and don't know which mosfet, can you give me the schematic and show me pleaseComment
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Re: Compaq 6715b work with battery only
6050a2198501-mb-a06 the board noComment
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Hello. Lenovo Legion 5 15ARH05H, NM-D281 Rev: 1.0 board
Initially dead. Inspection: the board was not touched, on EC IT8227E-192 2101-CXA there is a mini-burnout.
Replaced with the same one, flashed the EC with the official firmware (had to solder to the pins), left the main firmware (Gigadevice 25LB128DSIG) original.
When connecting the charger, the device started, gave picture and works, checked all the functions - ok.
Connected the original battery. Only on the battery the device starts for a second, lights up the keyboard backlight and turns off.
When connecting... -
Good guys. I changed the battery to a Lenovo V310-15ISK.
The laptop worked perfectly, I changed the L15C4A02 battery because it didn't last very long.
When I connected the new battery, the charging LED stopped lighting up and the one next to the charging pin also did not react when I pressed the power button. Minutes before changing the battery it worked perfectly and stopped working after putting the new one in. Even if you put the oroginal battery in or connect it without the battery, no LED lights up when you press the power button nor does it give an image, nor does the... -
I bought a Vostro 3400 motherboard (LA-K033P) to upgrade over my damaged Inspiron 5593 (LA-J091P) board. Everything else is ok except for the battery. This battery I am using now is already a replacement one since I disposed of the bloated original one. Back in the Inspiron 5593 motherboard, the battery charges fine and is identified just fine. However, with the upgraded motherboard, suddenly the replacement battery is labeled as "Not a dell battery". When I borrow a similar battery from my colleague (which did not have replacements yet), it is identified and charges just fine.
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