My Dell Inspiron 1501 developed a problem. The Battery stopped charging. However powered from the mains it continued to work perfectly. Tested various components (power supply, different batteries etc) but nothing worked, and so installed new motherboard today.* When I restarted the laptop with the new motherboard the fan worked for about three seconds, the DVD drive clicked, and then everything went dead. Tried this several times, several ways, but no difference.* I noticed that the led light came on when I pressed the on/button to start and it stayed on after the boot sequence suddenly stopped. It only went off when I pressed the off/button. Next I took out the new motherboard and re-installed the old one (I wanted to find out whether it was the new motherboard was at fault). But it wasn't the new motherboard. When I booted the fan ran for about 3 second, the DVD drive clicked and it went dead. Maybe the problem is being caused by the way in which I installed the motherboard (but I went very carefully and followed all instructions to the letter). However someone out there may have advice and suggestions.
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Hi there,
Guys anyone here can help me. During troubleshoot the motherboard, my 1st and new psu unable to boot the motherboard. Even though i set the 20V, my old Compaq CQ42 motherboard had the led white light at charging port. When press on button, the led blinking to red and gone back to white state. But i change the oem hp compaq adapter which is i measure 19.45V. Using that can boot the motherboard and fan spinning. Then i reconnect psu and tried set the 19.45V, still blinking red. Anyone know what happen? Is it psu not compatible? All is check and voltage is there.... -
Hi,
I am trying to fix an Acer Aspire 5542. Upon turning it on, the fan starts to spin for a few seconds and then it stops. I hear no beeps from the speaker. I have no image both on the laptop screen and through VGA and HDMI connectors.
I measured voltages, and it seems all power supplies are OK. There are 5V, 3.3V (BIOS), 1.8V (RAM), and 1.1V (VCORE).
I tried to read the BIOS using a CH341A programmer, but it did not detect the chip. I took the BIOS chip away from the motherboard, and then the CH341A detected the chip, and I was able to read the code. However,... -
Hi, last month i bought a broken pc that i tought i can fix for myself but it turned out to be time consuming. The pc turn on and shows no display and beeps 5 times and restarts again and again, i think it s the motherboard because i tested/replaced all the parts except the motherboard. The pc was used mostly for light gaming and i think it wasnt overclocked or something. I tried all the basic fixes(cleaning the ram slots, removing the cmos battery, reseat the GPU/CPU/RAM). I think the last thing to do is to replace or repair the mobo but i prefer to try to repair because i don t want to spent... -
Hi everyone 😀,
I'm here today to ask for help with repairing the motherboard of a Lenovo Legion Y540 17IRH.
To give you some context, I'm passionate about computer repair so much so that I've invested in a lot of tools and started practicing on dead and old hardware. I've been learning how to solder and desolder components, mostly focusing on phone repairs.
Recently, I bought a broken Lenovo Legion Y540 17IRH for just €150, and there are two main reasons why I made this purchase:- I already own the exact same model, but its plastic chassis is badly damaged.
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I'm using Xiaomi Router 4A gigabit edition as wireless repeater. It worked fine for 2 years or so, but last week, wireless started to disappear.
When I unplug/replug the power, it was working fine for a day/half a day or so until it freezes again.
After testing with different power supply adapters and concluding it wasn't the issue I finally opened the case and this was the situation:
Anyway I proceed to clean up the mess and replace all caps but unfortunately it made the situation worse. Now router can't even boot, either it freezes during...
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