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Search: Posts Made By: piernov
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 06:16 PM
Replies: 15
Views: 174
Posted By piernov
Re: Are some components spot-welded to the MBs?

250C or 500C doesn't mean anything with an 858D. Even with a decent hot air station exact temperature doesn't mean much, it depends on too many factor so you have to figure out the sweet spot...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 04:52 PM
Replies: 2
Views: 58
Posted By piernov
Re: 820-01987-A Macbook Pro A2289

No idea why would you buy a very difficult board to repair when you have not much experience, especially from eBay and with a broken screen (second most expensive part after logic board and extremely...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 04:45 PM
Replies: 1
Views: 40
Posted By piernov
Re: [820-3024] Macbook Air A1370 11.6" Mid 2011 Green Light, no Power

Why not go through the list of power rail and measure voltage and resistance to ground as usual?
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 04:42 PM
Replies: 15
Views: 174
Posted By piernov
Re: Are some components spot-welded to the MBs?

Get a decent hot air station.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 04:41 PM
Replies: 4
Views: 79
Posted By piernov
Re: Help Understanding The Different Power Supply Voltages in Schematic

Or at the very least write motherboard model number or full laptop model number — we can't guess what you have on your desk…
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 12:18 PM
Replies: 2
Views: 51
Posted By piernov
Re: Lenovo G700 help/suggestions

No. Stick to Pentium/Celeron or replace PCH/motherboard with HM76.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 09:12 AM
Replies: 10
Views: 120
Posted By piernov
Re: Toshiba T3100/20 Bought at the flea market - kinda working....

Well it has an integrated keyboard and LCD so it's not that different from a laptop, and section says "Portable" devices too.

It's an interesting machine at least, sad for the LCD.
I doubt the...
Forum: Schematic Requests ONLY! Yesterday, 09:05 AM
Replies: 2
Views: 58
Posted By piernov
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 08:57 AM
Replies: 3
Views: 80
Posted By piernov
Re: HP Pavillion DV6700

Depends on which model exactly it is (as usual full model number is required…). see-ic still has some good fixed G84/G86 GPUs.
If it is an AMD model with a dead MCP67 it's a different story…
Of...
Forum: General Computer & Tech Discussion 03-07-2021, 11:32 AM
Replies: 3
Views: 76
Posted By piernov
Re: Bionic Pup 32-bit O/S

On old 32 bits only machine I generally install Debian with LXQt. If it's for my personal use it's ArchLinux32 with i3.
Although I personally use Firefox, I found Chromium to be slightly more...
Forum: General Computer & Tech Discussion 03-06-2021, 04:34 AM
Replies: 10
Views: 485
Posted By piernov
Re: space for another DDR slot... put one there?

Reflow all the pins with leaded solder and heat with hot air on the back of the board. Need to gently pull on the slot with pliers, and work your way from one end to the other. It takes some time but...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-05-2021, 03:57 AM
Replies: 7
Views: 127
Posted By piernov
Re: i need to identify this regulator pls help

https://www.badcaps.net/forum/showpost.php?p=1006584&postcount=2
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-04-2021, 09:01 AM
Replies: 13
Views: 230
Posted By piernov
Re: Samsung LA-8863P - EC not releasing SUSP#

SUSP# comes up after SLP_S3#.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-04-2021, 04:31 AM
Replies: 8
Views: 194
Posted By piernov
Re: Alienware la-9332P - CPU Temp issue

CPU temp is measured by CPU itself. Sounds like heatsink issue indeed.
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 03-03-2021, 12:05 PM
Replies: 13
Views: 508
Posted By piernov
Re: Asus Z87 Expert - No Power, LDO Regulator Gets Hot!

PCH die should not get warm when injecting on a 3.3V rail. No point in wasting time.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-03-2021, 10:05 AM
Replies: 2
Views: 67
Posted By piernov
Re: Shorted C3201 w/ R3032 on 820-00281

Well then that most likely killed U3200 without surprise, and could have also damaged U3100 and U3500.
Forum: BIOS Requests ONLY! 03-03-2021, 08:26 AM
Replies: 2
Views: 78
Posted By piernov
Re: HP Elitebook 8560p modding CPU support?

Ivy Bridge CPUs are not supported. Would require updating ME major version to 8, VBIOS, microcode and other modules, too much work and too difficult to do with little chance of success especially on...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-03-2021, 08:11 AM
Replies: 1
Views: 109
Posted By piernov
Forum: General Computer & Tech Discussion 03-03-2021, 07:56 AM
Replies: 10
Views: 485
Posted By piernov
Re: space for another DDR slot... put one there?

I wouldn't count on it working. In any case good luck cleaning the holes, never managed to do it. I'm still using my desktop board with 3 slots out of 4 since I couldn't get a new one in. (original...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-02-2021, 06:52 AM
Replies: 96
Views: 4,420
Posted By piernov
Re: X550jx black screen but cpu heating up

P_NVVDD_FBRTN_10 is connected to ground so "short to ground" is expected.
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 03-02-2021, 06:44 AM
Replies: 2
Views: 77
Posted By piernov
Re: imac 21 2011 109-C29557-00 vga common issue

Did you confirm it is indeed caused by the graphics card?
https://logi.wiki/index.php/iMac_A1311/A1312_Graphics_card
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-02-2021, 02:55 AM
Replies: 13
Views: 447
Posted By piernov
Re: Macbook Pro 15" 820-2850-A no PPBUS_G3H

PP5V1_CHGR_VDD is created by the ISL6259 itself when it receives power on CHGR_DCIN.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-01-2021, 05:49 PM
Replies: 4
Views: 97
Posted By piernov
Re: A1990 lcd

Yes, should be good if it hasn't been badly "refurbished". Good OEM pulls are very hard to find. (except if you somehow have a machine you can pull it from of course)
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-01-2021, 04:28 PM
Replies: 10
Views: 230
Posted By piernov
Re: HP G6 R22 ,, AMD CPU ... Black Screen

Gonna be a dead AMD northbridge as usual.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-01-2021, 04:26 PM
Replies: 18
Views: 347
Posted By piernov
Re: Macbook A1502 820-4924-A only smc bypass (Schematics measures and boardview inclu

PM_BATLOW_L should go high if using a genuine Apple Magsafe2 60W. It needs to be a genuine Apple one, not a random eBay one, even with Apple logo, or a "refurbished" genuine one with a random cable,...
Showing results 1 to 25 of 500

 
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