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Search: Posts Made By: cvorke
Forum: BIOS Requests ONLY! 04-27-2021, 09:57 AM
Replies: 1
Views: 280
Posted By cvorke
Smile Re: 820-3115 MBP 13" Unibody 2012 BIOS OK 00D3.B0C

Can you, or someone explain how to fix checksum.
Thank you :cheers:
Forum: General Electronics Technical Discussion 08-08-2017, 02:21 PM
Replies: 1
Views: 1,247
Posted By cvorke
Help identify Diodes

Could someone help me identify marked Diodes?
They are on input of POE lines at Cisco AP.
Both are OL in both direction.

Thank you!
Forum: BIOS & Schematic Requests! 07-27-2017, 12:55 AM
Replies: 15
Views: 3,395
Posted By cvorke
Re: iMac BIOS unlock

Great, many thanks!
Forum: BIOS & Schematic Requests! 07-26-2017, 02:32 AM
Replies: 15
Views: 3,395
Posted By cvorke
iMac BIOS unlock A1311 820-2494-A 2009

Hi,

could someone help me with this?
I have locked iMac A1311 820-2494-A 2009 with password lock.
Dump is in attachment.

Thank you!
Forum: BIOS Requests ONLY! 06-20-2017, 04:15 PM
Replies: 25
Views: 8,451
Posted By cvorke
Re: HP ProBook 645 G1 Bios dump

Works perfectly, thanks!
Forum: BIOS Requests ONLY! 06-12-2017, 05:05 PM
Replies: 25
Views: 8,451
Posted By cvorke
Re: HP ProBook 645 G1 Bios dump

Old bios attached.
Forum: BIOS Requests ONLY! 06-11-2017, 09:32 AM
Replies: 25
Views: 8,451
Posted By cvorke
HP ProBook 645 G1 Bios dump

Hi,

Can somebody share dump for HP 645 G1
Or instruct me how to edit BIOS file from HP site. I downloaded bios but it is empty with serial, model etc... and when I turn on laptop it always says...
Forum: General Electronics Technical Discussion 10-01-2016, 09:15 AM
Replies: 4
Views: 1,894
Posted By cvorke
Help me identify IC

Can somebody identify IC in attachment?
Forum: Schematic Requests ONLY! 09-13-2016, 07:18 PM
Replies: 7
Views: 14,573
Posted By cvorke
Re: Need board view MacBook Air A1370 820-2796

Thank you, for boardview file and for advice.
Forum: Schematic Requests ONLY! 09-13-2016, 07:41 AM
Replies: 7
Views: 14,573
Posted By cvorke
Need board view MacBook Air A1370 820-2796

Does anybody have? Please share...
I have just schematic, attached if someone needs...
Forum: Troubleshooting Computer Displays 08-22-2016, 09:00 AM
Replies: 4
Views: 1,814
Posted By cvorke
Re: Samsung SyncMaster 400DX safety lock

I've just solved this problem by using Samsung MDC application.
Forum: Troubleshooting Computer Displays 08-21-2016, 07:19 PM
Replies: 4
Views: 1,814
Posted By cvorke
Re: Samsung SyncMaster 400DX safety lock

Already tried, nothing happens...
I'm considering to order remote control, there is lock/unlock button.
Forum: Troubleshooting Computer Displays 08-20-2016, 02:42 AM
Replies: 4
Views: 1,814
Posted By cvorke
Samsung SyncMaster 400DX safety lock

Whatever button is pressed shows Safety Lock.
Any idea how to remove it?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 08-14-2016, 01:31 PM
Replies: 7
Views: 2,569
Posted By cvorke
Re: macbook Pro 2011 15" A1286 won't power on without battery

Problem was with DC adapter, works fine with new one...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 08-12-2016, 06:48 PM
Replies: 7
Views: 2,569
Posted By cvorke
Re: macbook Pro 2011 15" A1286 won't power on without battery

I have green/orange light. Everything works fine, except power on without battery.
I've just tested with ASD and it passed without any error.
Very confused about this...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 08-11-2016, 12:05 PM
Replies: 7
Views: 2,569
Posted By cvorke
Re: macbook Pro 2011 15" A1286 won't power on without battery

Same problem here...
Motherboard 820-2915, won't power on without battery.
If I connect battery and power it on, I can remove batt and it will remain on if connected to DC, but it won't start only...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-28-2016, 11:17 AM
Replies: 9
Views: 1,833
Posted By cvorke
Re: Macbook Pro 13 A1278 EMC2555

I have the similar problem, same board...
It came with PPBUS_G3H shorted to GND at Q7035.
I have changed Q7035 ang got green light and fan as well.
But unfortunately I have no display, chime,...
Forum: Schematic Requests ONLY! 03-26-2016, 03:04 AM
Replies: 32
Views: 14,158
Posted By cvorke
Re: Dell Studio 1558 fm9c schematic needed

Could you please share with us, where was the problem, and solution?
Forum: BIOS Requests ONLY! 03-26-2016, 02:50 AM
Replies: 6
Views: 2,134
Posted By cvorke
Re: BIOS dump Acer Aspire 9920G

I found original BIOS, actually couple of them but the ROMs are all 1.1Mb an my IC is only 1Mb w25x80.
Does anybody have an idea how to squeeze 1.1 in 1 :)
Forum: BIOS Requests ONLY! 03-25-2016, 03:42 AM
Replies: 6
Views: 2,134
Posted By cvorke
BIOS dump Acer Aspire 9920G

If anybody can help, I will be most grateful.
I need motherboard BIOS not graphic...
Thank you!
Forum: Announcements & Related News 03-25-2016, 03:01 AM
Replies: 30,574
Views: 3,412,253
Posted By cvorke
Re: New Members - please post your introductions here

Hi to all,

I'm in electronics for almost twenty years, and lately i fix mostly laptops.
I'm looking forward to find some new knowledge and experience on this forum and to share my own.

Thank...
Showing results 1 to 21 of 21

 
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