The MSI Mag z490 tomahawk board is not responding to pressing the switch button. There is voltage supplied to BIOS and superio but I would like to trace it. Perhaps somebody could share board view and schematics? Thank you.
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Hello, I am looking for any and all files related to the mainboard for 820-2565-A (13" Macbook Pro A1278 mid 2012) schematics/board view.
I looked through forum search results and google and was unable to find a board view file, I found a pdf of all the schematics but I don't know where the parts physically are on the board as this is my first macbook board level repair attempt.
The macbook charger has a green light, the battery has been replaced and OS reports Normal status but Not charging. After cleaning a corroded capacitor it crumbled off the board. There... -
Vizio e601i-A3 - Has Sound and Display, But No Backlight - Bad Power Supply Board or Bad LED Bulbs ?I was given this TV from my great uncle. He said it just wouldn't turn on one day out of nowhere, replaced the TV, and gave it to me to possibly fix and use for myself.
Upon bringing it home and plugging it up, it showed a standby light.
I powered it on and without a flashlight, the display showed the "V" but the lighting is very dim, but visible.
The screen seems to blackout and stay black, but with a flashlight I can see the display.
With my Playstation 4 connected via HDMI, and running a game I can hear sound.
Assuming... -
Hello Folks, you could help me with A board view or schematics for my Dell 5411 LA-J271P. Its not doing the POST, only negotiating 20V at the USB-C for 5 seconds, then falling back to 5 V. no short int the power rails. The CPU Vcore Rail has 1.8 Ohms, wondering if this is too low. Any hints how to proceed diagnosting?07-19-2025, 12:58 PM -
Got hold of this HUAWEI MATEBOOK D14 (DAH98NMB8B0 REV: B HF) intel i5 with 8gb ram. My friend told me that she is using the unit for 2 hours, then sudden black screen, she plug the adapter hoping it's just battery issue, charge the unit for a while. nothing even charging light. charging adapter is ok.
SYMPTOMS: No power, no charging lite, no sign of life
WHAT I DID: open the unit, visual inspection, check for burnt components, looks clean, no burn or corroded components, When charging the unit i got 19volts at the charging pin. i notice a over heating component... -
Hi,
Can anyone provide schematics and board for MS surface Studio laptop A1964 ?
thanx04-29-2025, 12:01 AM