Hola chicos, espero estén bien, he estado buscando información para aprender a hacer eliminación de password EFI en macbooks.
Actualmente tengo un problema con una macbook pro A1706 820-00923 SN:C02VD3GJHV2Q
Si podrian ayudarme les agradeceria mucho o algun link para aprender a hacerlo y no volver a molestarles.
gracias de antemano y que tengan una linda tarde, disculpen si estoy rompiendo alguna norma.
Hi guys, I hope you are doing well, I have been looking for information to learn how to remove the EFI password on macbooks.
...
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General Capacitor Questions & Issues
Questions and answers for identifying whether your device has bad capacitors. Also post general capacitor-related questions and issues here.
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Last Post:
Capacitors instead of RTC/CMOS batteries
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Have just a general computer question, post it here. This can be anything from an OS issue, hardware issue not related to capacitors, upgrade question, or whatever basic tech-related issue is on your mind.... This is also a good place to share your tech projects!
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Topcat's Other Misc Weird Build Thread
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If you have a general question concerning basic electronics theory or component function & usage, here's where it goes.
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Last Post:
Try to find new screen for ANBERNIC RG 28XX
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Technical discussions covering any type of desktop motherboard, video/graphics card, controller card, or whatever other desktop peripheral you need help with. Any and all brands and models welcome. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
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Need Foto backside MSI ms-7e12 Ver:1.1
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Asus XD4 fails at the booting process.
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58PUS8545/12
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Dometic SinePower DSP 1812T - No AC output
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Technical questions about your defective laser or ink printer, plotter, copier, scanner, and other imaging & printing devices. This section also includes digital cameras. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
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Samsung SL-M2026 dump
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Sumsour station 8586D error H-E
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Topics: 101,076
Posts: 101,076
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Yesterday, 07:20 AM
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Yesterday, 03:47 PM
-
Can someone identify the connectors on this cable and what it's used for?
I recognise the BNC and what looks like power.
The middle connector, is a BNC adaptor.
[URL=filedata/fetch?id=3448077&d=1725784536][ATTACH=JSON]{"alt":"Click image for larger version Name:\tcable.jpg Views:\t0 Size:\t1.01 MB ID:\t3448077","data-align":"none","data-attachmentid":"3448077","data-size":"small"}[/ATTACH][/URL]
ThanksCan someone identify the connectors on this cable and what it's used for?...Today, 02:37 AM -
Hello
I have ANBERNIC RG 28XX small toy but give a lot off joy. But it fell from table and screen break
Screen is 2.83 inch IPS 640x480 with 39 pin and making YLM-28F1002-A1.
for several day I try to find this same screen for replacement. So far i'm unable to do it.
Please help me !!!Today, 02:26 AM -
[B]Hello dear forum participants.[/B]
I have received a motherboard from a friend with the following problem, which I would like to solve.
It is a MSI ms-7e12 mag tomahawk wifi VER: 1.1.
On the back upper right corner near the exit panel a small chip has been hit (bent and some pads torn off)
and I suspect a 3 pin sot-23 chip (possibly mosfet) nearby might have been hit as well.
Would need a photo of the back of this area but from revision 1.1 as the 1.0 was slightly different from what I saw in videos on yt.
But pictures say more than a thousand words....Today, 02:10 AM -
Hello. Tcon issue
Im having issue with no picture if both is in and if either one is disconnected the other half show picture. Tried the tape fix on a pin that looks darker then the rest on the left lvds cable( looking from front of the tv. Then i get picture but some white lines flickering on the screen. Can this be the pin that is damaged and i only need a new cable? Tried to clean it with no success. The tv is out of warranty ofc...Today, 02:02 AM -
Hi Badcaps,
I've had a friend discard a TH-65DX700Z Pansonic Viera Television and I've decided to have a go at repairing it. If possible could I please get some advice in terms of diagnosing the problem so I can purchase the appropriate parts for repair whether it be components, a repair kit or a replacement board. I am happy to post pictures if required.
TV Details:
Model # - TH-65DX700Z
Symptoms:
The television turns on and displays a picture then makes a clicking sound and turns off.
I haven't opened it up yet but...09-04-2024, 02:32 AM -
This happened last Saturday and today I finally had time this morning before I went to work to replace two non brand capacitors
I will let you be the judge weather or not these are bad or not according to the blue ESR meter that I am using
I am comparing them to a brand new one that I installed
The display came back on and the programming was not lost which I was surprised by I would have thought that when the display went blank that so did the memory as well
I going to let it run for several days before I remount back on the wall next to the...09-05-2024, 06:48 PM -
[FONT=Calibri]Hello everyone, I am looking for help to make sure I am on the right track to remove lost BIOS Admin password on an [B]HP EliteDesk G6 800[/B] [B][FONT=Calibri]SFF[/FONT][/B]. I recently purchased this on ebay and the seller is willing to accept a return but I have already installed my new HDs, NVME, and setup proxmox so I would like to keep it.
[B]Here is the hardware identification specs[/B]:
HP EliteDesk 800 G6 SFF
Intel(R) Core(TM) i5-10500 CPU @ 3.10GHZ 16384 MB RAM
[B][FONT=Calibri]Serial No: MXL1223499[/FONT][/B]
[B][B][FONT=Calibri]Product...08-23-2024, 08:36 AM -
P14s Gen 2
HT4B0/HP4B0/HT5B1/HT4B2
NM-D352 Rev 1.0
sn PF-35P15W
Requesting thunderbolt dump
also attached is the tbt dump. I extracted the bin from the cap file and modified it, not sure if it's correct. also didnt work....09-03-2024, 01:56 PM -
Hello guys,
I have this baby monitor that has a burned ic/transistor burned.
It has a 5v dc power supply.
I can't identify it and there's no information on google.
Does anyone know it or an equivalent.It's marked "C5F61"
Thank to you all....08-28-2024, 06:58 PM
-
hey guys,
i bought 2 samsung odyssey g9's for a decent price. they both have the exact same fault. when plugged into a power source, the blue led powerlight shows, but when turned on there is no picture, no backlight, no menu, nothing. when plugged into a laptop the laptop recognises the monitor, but keeps disconnecting and reconnecting.
dont have any schematics or diagrams unfortunately. any ideas?
thanks
09-03-2024, 03:47 AM -
Hey guys! It has been awhile since I've been on here. I hope everyone is doing well. I just picked up this Sharp lc-65ub30u. It plays but the screen is flashing on and off. Other than that i seems to be a great tv. Any ideas what the problem might be? I haven't pulled the back off yet. I thought I would get some opinions first. Thanks in advance for any help you can offer.Yesterday, 09:45 AM
-
Can someone identify the connectors on this cable and what it's used for?
I recognise the BNC and what looks like power.
The middle connector, is a BNC adaptor.
[URL=filedata/fetch?id=3448077&d=1725784536][ATTACH=JSON]{"alt":"Click image for larger version Name:\tcable.jpg Views:\t0 Size:\t1.01 MB ID:\t3448077","data-align":"none","data-attachmentid":"3448077","data-size":"small"}[/ATTACH][/URL]
ThanksCan someone identify the connectors on this cable and what it's used for?...Today, 02:37 AM -
Hello
I have ANBERNIC RG 28XX small toy but give a lot off joy. But it fell from table and screen break
Screen is 2.83 inch IPS 640x480 with 39 pin and making YLM-28F1002-A1.
for several day I try to find this same screen for replacement. So far i'm unable to do it.
Please help me !!!Today, 02:26 AM -
[B]Hello dear forum participants.[/B]
I have received a motherboard from a friend with the following problem, which I would like to solve.
It is a MSI ms-7e12 mag tomahawk wifi VER: 1.1.
On the back upper right corner near the exit panel a small chip has been hit (bent and some pads torn off)
and I suspect a 3 pin sot-23 chip (possibly mosfet) nearby might have been hit as well.
Would need a photo of the back of this area but from revision 1.1 as the 1.0 was slightly different from what I saw in videos on yt.
But pictures say more than a thousand words....Today, 02:10 AM -
Hello. Tcon issue
Im having issue with no picture if both is in and if either one is disconnected the other half show picture. Tried the tape fix on a pin that looks darker then the rest on the left lvds cable( looking from front of the tv. Then i get picture but some white lines flickering on the screen. Can this be the pin that is damaged and i only need a new cable? Tried to clean it with no success. The tv is out of warranty ofc...Today, 02:02 AM -
What is a good brand of a HDMI monitor that is 10” inch or smaller I am interested in purchasing oneI was looking for one on EBay but I am not sure what is considered a good brand and what is good price to consider when buying one
Feed back wanted and website links are welcome ( I would refer a new one )
I have a HP elite 8200/8300 computer that has a separate table top switching power supply ( that I planning on converting into a battery powered computer instead and I would refer a monitor that has an external switching power supply to power it )
I plan on making a battery powered battery testing machine on a computer rack system
I am not sure if...Yesterday, 06:51 AM -
I have a Samsung UE75TU6905 from 2021, with a maximum of 10 hours of usage as it has been used as a presentation TV in the office. It started rebooting, the picture disappears, the sound continues for 2-3 seconds, and then it restarts (Samsung logo with Tizen OS), after which it returns to the previous activity. I tried disconnecting HDMI, antenna, WiFi, and using different power outlets, and it seemed to improve (or so I thought). Before, it happened occasionally, but now it happens all the time, so the TV stays on for a maximum of 30 seconds.
I read on Samsung's website (reviews)...09-04-2024, 01:45 AM -
Hi all!
I have a laptop that the previous owner tried to repair. It didn't have backlight, but during the repair, accidentally short-circuited two components.
Details:
[U][I][B]Inductors:[/B][/I][/U]
PL5400 [B]OL [/B]CHG_PHASE_S CHG_CHG ▶ 0.22V
PL6001 [B]OL [/B]3V line
PL5701 [B]OL[/B] 5V line
PL1004[B] 9.5Ohm[/B] P_VDDCR_SOC_PH1_30
PL1001 [B]5.2Ohm[/B] +VDDCR_CPU
PL1002[B] 5.2Ohm[/B] +VDDCR_CPU
PL1003[B] 5.2Ohm[/B] +VDDCR_CPU
PL7201 [B]52.5Ohm[/B] +0.75VALW_P ▶ 3.9V
PL7203 [B]85.2Ohm[/B] +1.2V_P
PL7202 [B]OL[/B]...09-03-2024, 10:24 AM -
[FONT=Calibri]Hi I inherited a Vizio M65-E0 that isn't working. It must have been dropped on the corner because I found that the infrared circuit had a capacitor with one end broken off of the board and some green corrosion around the plug to the main board. I re-soldered the capacitor and cleaned the corrosion well and tried turning the M65-E0 on and I was successful. My problem is that while the back lights come on and appear to perform local dimming there is no picture or sound. It kind of looks like you are looking at the TV through a very dense fog, where changing the input on the remote...09-03-2024, 08:30 PM