Hello,I was installing window 10 on my dell precision m4600 service tag : 4zqs4s1 , and after installation complete and restart it's freez in dell logo , I searched and realized It need bios flash so I found this [url]https://www.alisaler.com/dell-precision-m4600-brooks-15-reva00-bios-ec[/url]
As I live in a small city and I don't have programmer sed it to a repairman to flash this but after flashing and boot up , touch pad didn't work , the USB or pexe boot don't boot and only DVD drive can boot , also the biggest problem is in f12 menu there is no Intel me mebx and the worst thing is after...
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-
Today, 04:26 PM
-
Hi Peeps.
Quick question. Might sound silly so bear with me pls.
After flashing a BIOS with a flashing tool, my laptop went from stone dead, to the fan spinning. However the screen doesnt show POST. Is there anything like pulling out the battery AFTER flashing the BIOS one needs to do or is there another issue I am sitting with now?Today, 01:00 PM -
See attached picture. I have a Fluke T100 Voltage Tester that the resistance and diode measurement isn't working (it's not the batteries (as I have already checked them and put decent Duracell 1.5V AAA batteries inside it).
I have looked on the web for any information and on youtube without any results for this model.
There are no screws visible or anything obvious. So I am hoping someone here has the solution to take it apart?
The only way I can see is underneath the yellow rubber handle area, however I don't wish to damage it if it isn't the case!...Yesterday, 07:21 AM -
Hi, this is for troubleshooting and, hopefully, repairing a Delta Power psu
that is still quite new, as it worked OK for some months until it failed.
At the time I was not into power supply electronics; it was put
aside and a new power supply installed inside the computer. Also at the time
power supplies were half the price of today's.
On the PCB there are a D339 and 7500B chips.
I have found that schematics with these 2 chips (see included file).
Does it represent the actual circuit of the MAX-500ATX, I cannot tell.
Some measurements,...Today, 03:34 PM -
Hello, I came here after finding some similar questions asked on other monitors and hope someone here can help me get an ancient Viewsonic VP230mp (23" 4:3 LCD) back to working condition.
First a little background, I have a background in computer and electrical engineering, and I'm smart enough to know I know nothing about LCD displays and how they work. For this topic I'm as green as they come.
When the display is turned on the viewsonic logo displays in the uppper left for 2 seconds then the screen goes black, the power LED is green (on) and when a computer is connected...05-19-2024, 11:40 AM -
[B]Chromebook e100 2nd Gen - Bios enable Developer Mode and remove Managed by...[/B]
I Have Chromebook e100 2nd Gen,
Please can you enable Developer mode and remove managed by ... please
mlb_serial_number: [B]1532022002872[/B]
serial_number: [B]PF2TKV5V[/B]
model_name: [B]Lenovo 100e Chromebook 2nd Gen[/B]
mfg_date: [B]2021-04-19[/B][B]Chromebook e100 2nd Gen - Bios enable Developer Mode and remove Managed by...[/B]
I Have Chromebook e100 2nd Gen,
Please can you enable Developer mode and remove managed by ... please
mlb_serial_number:...Today, 12:57 PM -
fpw50 la-h325p rev 3.0 bios please mine is 4MB...Today, 03:08 PM
-
I have a 5W lamp on 12Volts battery, I want it to be half as bright, so I will add a resistor. What resistor should I supply?
A = W = 5 = 0.416mA
_ _
V 12
R = V = 12 = 28.84 Ohms (R) this is resistance of lamp
_ _____
I 0.416
So I will add one resistor 28.84 Ohms
I will have 28.84 + 28.84 = 57.6 Ohms
Or 28.84 + 28.84 = 14.42 Ohms
I don't know if it will work in series or in parallel
voltage would be 6V and amp current mA = 0.208mA We divide everything by two
W= V * I...Yesterday, 01:58 AM -
Can I ask you guys help me identify this godforsaken component?
I'm tearing my hair out finding this component.
The board is from an egg incubator.
i got it with a "popped cap" while there are many damaged components on it, which got succesfully identified with one exception:
[ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3267072}[/ATTACH]
And here is the board where it came from (U1/1):
[ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3267073}[/ATTACH]...05-08-2024, 08:21 AM -
I need la-h325p bios please make sure it's 4MB...Today, 02:47 PM
-
[B]Chromebook e100 2nd Gen - Bios enable Developer Mode and remove Managed by...[/B]
I Have Chromebook e100 2nd Gen,
Please can you enable Developer mode and remove managed by ... please
mlb_serial_number: [B]1532022002872[/B]
serial_number: [B]PF2TKV5V[/B]
model_name: [B]Lenovo 100e Chromebook 2nd Gen[/B]
mfg_date: [B]2021-04-19[/B][B]Chromebook e100 2nd Gen - Bios enable Developer Mode and remove Managed by...[/B]
I Have Chromebook e100 2nd Gen,
Please can you enable Developer mode and remove managed by ... please
mlb_serial_number:...Today, 12:57 PM -
Hi Peeps.
Quick question. Might sound silly so bear with me pls.
After flashing a BIOS with a flashing tool, my laptop went from stone dead, to the fan spinning. However the screen doesnt show POST. Is there anything like pulling out the battery AFTER flashing the BIOS one needs to do or is there another issue I am sitting with now?Today, 01:00 PM -
Hello,I was installing window 10 on my dell precision m4600 service tag : 4zqs4s1 , and after installation complete and restart it's freez in dell logo , I searched and realized It need bios flash so I found this [url]https://www.alisaler.com/dell-precision-m4600-brooks-15-reva00-bios-ec[/url]
As I live in a small city and I don't have programmer sed it to a repairman to flash this but after flashing and boot up , touch pad didn't work , the USB or pexe boot don't boot and only DVD drive can boot , also the biggest problem is in f12 menu there is no Intel me mebx and the worst thing is after...Today, 04:26 PM -
Hi, this is for troubleshooting and, hopefully, repairing a Delta Power psu
that is still quite new, as it worked OK for some months until it failed.
At the time I was not into power supply electronics; it was put
aside and a new power supply installed inside the computer. Also at the time
power supplies were half the price of today's.
On the PCB there are a D339 and 7500B chips.
I have found that schematics with these 2 chips (see included file).
Does it represent the actual circuit of the MAX-500ATX, I cannot tell.
Some measurements,...Today, 03:34 PM -
fpw50 la-h325p rev 3.0 bios please mine is 4MB...Today, 03:08 PM
-
I need la-h325p bios please make sure it's 4MB...Today, 02:47 PM
-
I have and Asus Q409ZA that I purchased new, and all was well until it eventually turned on to a black screen.
I backed up my original BIOS. I then downloaded and flashed an engineering BIOS posted by another member. It works great until something updates and the laptop starts up to a black screen, no activity. It can be reflashed with the engineering BIOS and work again until etc. etc.
I've attached the original dump of this laptop with its serial number and other information in tact. I've also included the new engineering BIOS. Maybe somebody could take a look and...Today, 02:29 PM -
-
Hi... Does anyone have a schematic LENOVO AIO 510-22ISH FOCB (Mobo number CCA11 LA-D952P) ???...
[URL=filedata/fetch?filedataid=339524][ATTACH=JSON]{"data-align":"none","data-size":"small","data-tempid":"temp_339524_1717623230892_578"}[/ATTACH][/URL] [URL=filedata/fetch?id=3284546&d=1717597851][ATTACH=JSON]{"alt":"Click image for larger version Name:\tF!_GUE_4S0D01.png Views:\t0 Size:\t224.5 KB ID:\t3284546","data-align":"none","data-attachmentid":"3284546","data-size":"small"}[/ATTACH][/URL]...Today, 08:38 AM -
I have a 5W lamp on 12Volts battery, I want it to be half as bright, so I will add a resistor. What resistor should I supply?
A = W = 5 = 0.416mA
_ _
V 12
R = V = 12 = 28.84 Ohms (R) this is resistance of lamp
_ _____
I 0.416
So I will add one resistor 28.84 Ohms
I will have 28.84 + 28.84 = 57.6 Ohms
Or 28.84 + 28.84 = 14.42 Ohms
I don't know if it will work in series or in parallel
voltage would be 6V and amp current mA = 0.208mA We divide everything by two
W= V * I...Yesterday, 01:58 AM