Troubleshooting Laptops, Tablets, and Mobile Devices

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BIOS Requests ONLY! Laptop BIOS Requests Go Here! Links to outside pay sites are forbidden and will result in permanent banning for the poster and the domain in the URL being permanently blocked. Topics: 14,522 Posts: 202,758 Last Post: Hp EliteBook 660 G11 Bios Unlock Please	14,522	202,758	Hp EliteBook 660 G11 Bios Unlock Please by adiasterix81 Today, 08:16 AM
Schematic Requests ONLY! Schematic Requests Go Here! Links to outside pay sites are forbidden and will result in permanent banning for the poster and the domain in the URL being permanently blocked. Topics: 5,564 Posts: 33,117 Last Post: Lenovo G475 schematics	5,564	33,117	Lenovo G475 schematics by adhiea7x Today, 08:29 PM

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Sticky: Laptop battery charging circuit by piernov Started by piernov, 11-15-2020, 01:31 PM	69 responses 77,842 views 0 likes	Last Post by saveelektro 05-09-2025, 02:56 PM
Sticky: List of pin compatible Laptop ICs by Th3_uN1Qu3 Started by Th3_uN1Qu3, 12-19-2013, 04:50 AM	342 responses 409,118 views 0 likes	Last Post by Duranitron 05-01-2025, 06:24 PM
Sticky: Beginner's guidelines by piernov Started by piernov, 09-20-2020, 09:46 AM	150 responses 116,545 views 0 likes	Last Post by AleX.dans.les.nuages 04-10-2025, 09:30 AM
Sticky: Reminder: rules and organization of this section by piernov Started by piernov, 03-31-2023, 06:10 AM	5 responses 5,073 views 0 likes	Last Post by sahamipoor 03-12-2024, 08:39 AM
Closed, Sticky: Other Useful Threads - Laptop Screen Compatibility, Useful ICs, BGA Chip Suppliers, NVidia bumpgate by Admin Started by Admin, 12-27-2023, 03:43 AM	0 responses 995 views 0 likes	Last Post by Admin 12-27-2023, 03:43 AM
Closed, Sticky: IC Marking Codes and Datasheets by SMDFlea Started by SMDFlea, 11-25-2020, 10:18 AM	75 responses 142,604 views 0 likes	Last Post by Guest 07-09-2022, 10:58 AM
Acer A515-51 - C5V01 LA-E891P Rev 1c by coffeebreath Started by coffeebreath, 07-23-2024, 02:30 PM	26 responses 342 views 0 likes	Last Post by mon2 07-26-2024, 11:42 AM
Thinkpad 11e unlocking bios by RedKirr Started by RedKirr, 07-26-2024, 08:09 AM	0 responses 75 views 0 likes	Last Post by RedKirr 07-26-2024, 08:09 AM
Strange behavior of charging ic ISL88738H by linhtinh Started by linhtinh, 07-26-2024, 05:01 AM	1 response 199 views 0 likes	Last Post by mon2 07-26-2024, 06:08 AM
A2337 - Keyboard swap to a different layout by soeren Started by soeren, 05-22-2024, 01:11 PM	5 responses 101 views 0 likes	Last Post by PITERPENY 07-26-2024, 04:05 AM
Lenovo Legion Y530 no power by tikanot Started by tikanot, 04-10-2022, 01:46 PM	17 responses 3,150 views 0 likes	Last Post by Duc Nguyen 07-26-2024, 03:40 AM
Mac Air A1466 not starting by smic717394 Started by smic717394, 07-25-2024, 07:47 AM	5 responses 83 views 0 likes	Last Post by piernov 07-26-2024, 03:23 AM
iPad Air 9th A2602 by bamboofuto Started by bamboofuto, 02-26-2024, 01:38 AM	8 responses 984 views 0 likes	Last Post by Paljas007 07-26-2024, 02:32 AM
MBP A1989 Touch Bar sometime sluggish touch response by howardc64 Started by howardc64, 07-24-2024, 01:42 PM	4 responses 176 views 0 likes	Last Post by Pedro147 07-26-2024, 12:39 AM
Too much current from a Buck Converter by caspian Started by caspian, 05-29-2020, 06:41 AM	4 responses 1,377 views 0 likes	Last Post by Chaminda4191 07-25-2024, 11:03 PM
burned RT8202, anybody knows interchange for it? by ktmmotocross Started by ktmmotocross, 06-13-2015, 02:19 AM	6 responses 2,027 views 0 likes	Last Post by Chaminda4191 07-25-2024, 11:01 PM
Asus F555L dead no power by vpower Started by vpower, 07-24-2024, 12:39 PM	10 responses 218 views 0 likes	Last Post by mcplslg123 07-25-2024, 10:53 PM
MacBook Pro A2338 liquid damage repair for a beginner? by dbuergi Started by dbuergi, 07-24-2024, 09:48 AM	3 responses 132 views 0 likes	Last Post by PITERPENY 07-25-2024, 06:59 PM
LG Gram 17 (17Z90N-R) ADVANCED troubleshooting Power On Self-Test (POST) by mm1nd Started by mm1nd, 07-25-2024, 03:53 PM	0 responses 147 views 0 likes	Last Post by mm1nd 07-25-2024, 03:53 PM
Where do repair shops buy MB replacement batteries? by howardc64 Started by howardc64, 07-25-2024, 10:42 AM	4 responses 95 views 0 likes	Last Post by howardc64 07-25-2024, 11:41 AM
iphone XS turns off when press on screen. by smic717394 Started by smic717394, 07-25-2024, 10:16 AM	2 responses 53 views 0 likes	Last Post by smic717394 07-25-2024, 11:39 AM
identify missing caps/values on Matebook D15 DAH98NMB8C0 REV C HF by briztech Started by briztech, 07-25-2024, 06:18 AM	6 responses 135 views 0 likes	Last Post by mon2 07-25-2024, 09:25 AM
MacBook Pro 2020 A2251 (820-01949) No Backlight by pcmacdoctors Started by pcmacdoctors, 07-24-2024, 11:12 AM	2 responses 170 views 0 likes	Last Post by pcmacdoctors 07-25-2024, 07:46 AM
Help identifying chip ProBook 650 G5 by Kwisatz Haderach Started by Kwisatz Haderach, 07-19-2024, 09:53 AM	4 responses 113 views 0 likes	Last Post by mon2 07-25-2024, 04:59 AM
A2141 Jack audio issue by kurtspirit Started by kurtspirit, 07-25-2024, 04:11 AM	0 responses 47 views 0 likes	Last Post by kurtspirit 07-25-2024, 04:11 AM
MacBook Air 13" 2020 A2179 Audio Board by tccyo22 Started by tccyo22, 07-23-2024, 03:36 AM	6 responses 166 views 0 likes	Last Post by mon2 07-25-2024, 04:05 AM
Macbook Pro A1990 - 820-01041 Stuck at 5V / 0.02A by DATATECH85 Started by DATATECH85, 07-24-2024, 06:34 AM	4 responses 234 views 0 likes	Last Post by DATATECH85 07-25-2024, 01:16 AM
DK10FG-6050A2491301-MB-A03 missing ACOK by bridges_4u Started by bridges_4u, 07-21-2024, 12:34 PM	15 responses 223 views 0 likes	Last Post by mcplslg123 07-24-2024, 10:58 PM
Asus N580VN no backlight lcd. Main X580VN rev 3.0 by robgerr Started by robgerr, 07-23-2024, 05:04 AM	5 responses 152 views 0 likes	Last Post by robgerr 07-24-2024, 09:42 AM
Samsung J530F/DS asking for PUK with any sim. by thesame Started by thesame, 07-24-2024, 08:48 AM	0 responses 58 views 0 likes	Last Post by thesame 07-24-2024, 08:48 AM
Recognize component by dhs6512 Started by dhs6512, 07-24-2024, 08:03 AM	1 response 80 views 0 likes	Last Post by dhs6512 07-24-2024, 08:32 AM
Apple macbook Pro Retina A1398 Battery not charging by fisha Started by fisha, 07-20-2024, 08:39 AM	22 responses 416 views 0 likes	Last Post by fisha 07-24-2024, 04:23 AM
MacBook PRO M1 A2338 stuck at 5V by Mabot17 Started by Mabot17, 07-09-2024, 03:00 AM	26 responses 904 views 0 likes	Last Post by Mabot17 07-24-2024, 04:12 AM
HP Omen 17 Laptop GPU power sensors by Sleepiest Started by Sleepiest, 07-23-2024, 10:10 PM	0 responses 72 views 0 likes	Last Post by Sleepiest 07-23-2024, 10:10 PM
Acer Nitro 5 - no power by survivalbloke Started by survivalbloke, 07-22-2024, 11:06 AM	5 responses 188 views 0 likes	Last Post by reformatt 07-23-2024, 06:31 PM
Lenovo L480 NM-B461: strange power delivery response by rumpumpel1 Started by rumpumpel1, 07-23-2024, 06:17 AM	3 responses 158 views 0 likes	Last Post by rumpumpel1 07-23-2024, 12:39 PM
HP Envy X360 Image distorsion by RandoomStyle Started by RandoomStyle, 07-22-2024, 03:03 PM	2 responses 75 views 0 likes	Last Post by RandoomStyle 07-23-2024, 05:47 AM
Macbook Air A2179 - Mobo 820-01958 stuck at 15.2V by eastcoastcomputing Started by eastcoastcomputing, 07-23-2024, 03:31 AM	0 responses 40 views 0 likes	Last Post by eastcoastcomputing 07-23-2024, 03:31 AM
Hp omen charge only when power off by mouhmmc Started by mouhmmc, 07-22-2024, 11:09 AM	4 responses 78 views 0 likes	Last Post by mon2 07-23-2024, 03:08 AM
LA-J091P Chip Identification Please by Ado02 Started by Ado02, 07-19-2021, 06:18 AM	5 responses 1,221 views 0 likes	Last Post by Chaminda4191 07-22-2024, 11:27 PM
A2141 820-01700 5v 0.200 amp draw by iMuhtaseb Started by iMuhtaseb, 07-19-2024, 12:33 PM	17 responses 426 views 0 likes	Last Post by mon2 07-22-2024, 05:03 PM
Acer Predator GH51M LA-K862P NO POWER Cant Find shurt by isa198585 Started by isa198585, 07-16-2024, 06:19 AM	30 responses 475 views 0 likes	Last Post by isa198585 07-22-2024, 04:37 PM
HELP TO FIND IC NUMBER DELL INSPIRON 14 PLUS 7420 by ameesh.p Started by ameesh.p, 07-22-2024, 02:09 PM	1 response 89 views 0 likes	Last Post by SMDFlea 07-22-2024, 02:36 PM
Lenovo IdeaPad L340-15IRH FG541 FG741 NM-C362 water damage no GPU power by huzo Started by huzo, 07-04-2024, 04:06 AM	5 responses 219 views 0 likes	Last Post by huzo 07-22-2024, 09:15 AM
A1708 peculiar bms problem. by 100FIX Started by 100FIX, 07-16-2024, 01:35 AM	7 responses 88 views 0 likes	Last Post by 100FIX 07-22-2024, 08:27 AM
HP ZSO50 LA-A994p rev 2.0 No power by Jmine Started by Jmine, 03-07-2023, 09:19 PM	5 responses 831 views 0 likes	Last Post by mon2 07-22-2024, 08:02 AM