Troubleshooting Laptops, Tablets, and Mobile Devices

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Topics: 15,071 Posts: 219,221

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Acer E5-521G-62RS LA-B231P bios

15,071 Topics

219,221 Posts

Acer E5-521G-62RS LA-B231P bios

by Baskan55

Today, 07:48 AM

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Schematic Requests ONLY!

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Topics: 5,787 Posts: 34,669

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Danjnmb1aa0 rev a schematic

5,787 Topics

34,669 Posts

Danjnmb1aa0 rev a schematic

by JTEK

Today, 02:06 AM

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Topics	Statistics	Last Post
Sticky: Laptop battery charging circuit by piernov Started by piernov, 11-15-2020, 01:31 PM	71 responses 80,495 views 0 reactions	Last Post by yaya3gmax 08-22-2025, 07:29 AM
Sticky: Beginner's guidelines by piernov Started by piernov, 09-20-2020, 09:46 AM	153 responses 121,116 views 0 reactions	Last Post by CyberCiphers 07-15-2025, 08:34 AM
Sticky: Reminder: rules and organization of this section by piernov Started by piernov, 03-31-2023, 06:10 AM	6 responses 5,485 views 0 reactions	Last Post by allantech 07-04-2025, 05:56 AM
Sticky: List of pin compatible Laptop ICs by Th3_uN1Qu3 Started by Th3_uN1Qu3, 12-19-2013, 04:50 AM	342 responses 412,728 views 0 reactions	Last Post by Duranitron 05-01-2025, 06:24 PM
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 1,139 views 0 reactions	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 151,334 views 0 reactions	Last Post by SMDFlea 07-09-2022, 10:58 AM
Asus N550JV Not Passing POST by senorlocksmith Started by senorlocksmith, 06-27-2021, 05:02 PM	8 responses 1,554 views 0 reactions	Last Post by senorlocksmith 10-18-2021, 08:22 PM
NM-A381 Lenovo yoga 3 14 no power by Featurea Started by Featurea, 10-05-2021, 11:29 AM	5 responses 1,200 views 0 reactions	Last Post by Sephir0th 10-18-2021, 04:05 PM
MacBook A1707 820-00281 Boot Loop by Strolch Started by Strolch, 10-18-2021, 07:48 AM	4 responses 1,029 views 0 reactions	Last Post by Strolch 10-18-2021, 01:03 PM
macbook a2141 board 820-1700 no turn on by dcs10 Started by dcs10, 10-09-2021, 12:47 PM	28 responses 4,952 views 0 reactions	Last Post by dcs10 10-18-2021, 12:33 PM
MacBook Air 13” 2015 A1466 820-00165 by Dale65 Started by Dale65, 10-13-2021, 06:33 PM	12 responses 1,532 views 0 reactions	Last Post by piernov 10-18-2021, 08:43 AM
Macbook A1534 emc 3099 820-00687-B dead after liquid by christian100 Started by christian100, 10-17-2021, 05:23 PM	0 responses 871 views 0 reactions	Last Post by christian100 10-17-2021, 05:23 PM
Hp g6-2304au by viewerau Started by viewerau, 10-12-2021, 09:16 PM	8 responses 1,030 views 0 reactions	Last Post by viewerau 10-17-2021, 03:44 AM
dell inspiron 5050 screen turned off by mhmad_82 Started by mhmad_82, 10-16-2021, 01:52 AM	4 responses 687 views 0 reactions	Last Post by mhmad_82 10-17-2021, 01:30 AM
samsung RV520 image only with external monitor by gcomputers Started by gcomputers, 12-06-2016, 06:17 AM	3 responses 2,213 views 0 reactions	Last Post by NEUTRONS 10-15-2021, 09:58 AM
WHEA_UNCORRECTABLE_ERROR - Dell Inspiron 1559 by Spider1211 Started by Spider1211, 10-11-2021, 01:18 PM	7 responses 1,217 views 0 reactions	Last Post by Spider1211 10-15-2021, 09:02 AM
Mbp 15 mid 2010 (no ppbus boost no batt) by reassor Started by reassor, 09-28-2021, 01:49 AM	11 responses 1,102 views 0 reactions	Last Post by piernov 10-15-2021, 08:24 AM
Where does SMC_BC_ACOK come from U7000? by macattack600 Started by macattack600, 09-27-2021, 12:38 AM	11 responses 1,791 views 0 reactions	Last Post by piernov 10-15-2021, 08:22 AM
Aspire V3 772G VA70HW No Display by ronelex Started by ronelex, 10-15-2021, 01:35 AM	0 responses 597 views 0 reactions	Last Post by ronelex 10-15-2021, 01:35 AM
DELL E6400 unknown charger, plugged in not charging by rabsonnjala Started by rabsonnjala, 09-30-2021, 03:27 AM	5 responses 1,237 views 0 reactions	Last Post by hecmagar 10-14-2021, 10:36 PM
Test dusplay "backlight only" A1297 macbook pro 2010 by marce002 Started by marce002, 10-07-2021, 06:31 PM	1 response 478 views 0 reactions	Last Post by ACS-Repair 10-14-2021, 06:55 PM
A1466 with no backlight but boots (820-00165) by mon2 Started by mon2, 10-12-2021, 12:11 PM	2 responses 959 views 0 reactions	Last Post by ACS-Repair 10-14-2021, 06:22 PM
What is wrong with Intel? by ktmmotocross Started by ktmmotocross, 10-12-2021, 05:56 AM	5 responses 771 views 0 reactions	Last Post by ktmmotocross 10-14-2021, 03:39 PM
Hp zbook 15 g4 motherboard problem by dj+pesa Started by dj+pesa, 10-14-2021, 06:41 AM	1 response 641 views 0 reactions	Last Post by dj+pesa 10-14-2021, 11:40 AM
820-00840 / No boot / PP3V3_G3H Short to ground by MisterAIL Started by MisterAIL, 10-13-2021, 11:42 AM	4 responses 1,164 views 0 reactions	Last Post by MisterAIL 10-14-2021, 05:45 AM
Lenovo Ideapad 320-15iap - selfstart on charger without CPU power by ktmmotocross Started by ktmmotocross, 10-14-2021, 01:18 AM	1 response 405 views 0 reactions	Last Post by ktmmotocross 10-14-2021, 03:05 AM
Hp 450 g7 help by kahnwasim Started by kahnwasim, 10-14-2021, 02:46 AM	1 response 551 views 0 reactions	Last Post by kahnwasim 10-14-2021, 02:46 AM
Acer travelmate b117 HDD not detected by amasama Started by amasama, 06-17-2020, 10:06 AM	1 response 1,040 views 0 reactions	Last Post by seanfrancis21 10-13-2021, 11:17 PM
Macbook A1286 not charging no power from bat BUT WORKS ON AC by marce002 Started by marce002, 09-14-2021, 07:30 PM	11 responses 1,716 views 0 reactions	Last Post by mon2 10-13-2021, 12:16 PM
Hp omen 17-an100np not found graphique nvidia by kadsinfo Started by kadsinfo, 10-13-2021, 08:22 AM	1 response 538 views 0 reactions	Last Post by luckydip 10-13-2021, 11:27 AM
Dell 5567 No Display by kalilinux25 Started by kalilinux25, 04-18-2021, 10:27 PM	7 responses 1,318 views 0 reactions	Last Post by medinfo 10-13-2021, 11:14 AM
asus x554L no display by nassih Started by nassih, 10-13-2021, 10:20 AM	0 responses 688 views 0 reactions	Last Post by nassih 10-13-2021, 10:20 AM
HP EliteBook 1030 g2 Caps/Num lock 5 blink, fan spin and no display by classicandy Started by classicandy, 10-07-2021, 07:04 PM	2 responses 1,243 views 0 reactions	Last Post by Stevedb 10-13-2021, 10:01 AM
Acer Predator PH317-51-58Y2 dead by luckydip Started by luckydip, 10-11-2021, 02:39 PM	3 responses 594 views 0 reactions	Last Post by luckydip 10-13-2021, 09:21 AM
Acer Spin 1 laptop not detecting the harddrive by mnciks11 Started by mnciks11, 10-13-2021, 02:22 AM	3 responses 625 views 0 reactions	Last Post by mon2 10-13-2021, 06:49 AM
Battery protection circuit chip ID by david37g Started by david37g, 03-26-2015, 07:57 PM	4 responses 4,433 views 0 reactions	Last Post by Sanju9078 10-13-2021, 06:31 AM
X1 Carbon Gen3 (20BT, 20BS) not turning on or no screen by randoomkiller Started by randoomkiller, 10-10-2021, 05:36 PM	1 response 657 views 0 reactions	Last Post by randoomkiller 10-13-2021, 05:28 AM
Programming MEC1633L by zenelli Started by zenelli, 02-28-2017, 03:55 PM	5 responses 6,155 views 0 reactions	Last Post by andyc 10-13-2021, 02:00 AM
820-3437 no backlight by kingskie Started by kingskie, 10-07-2021, 11:42 PM	8 responses 1,235 views 0 reactions	Last Post by kingskie 10-12-2021, 09:35 PM
Macbook A1466 mb 820-3437 keyboard not work by Pragmatiko Started by Pragmatiko, 05-25-2017, 06:34 AM	11 responses 3,243 views 0 reactions	Last Post by MICHAEL_2013 10-12-2021, 10:42 AM
Apple MacBook Pro 15 A1707 820-00928-A by Yehuda170 Started by Yehuda170, 10-12-2021, 04:48 AM	0 responses 605 views 0 reactions	Last Post by Yehuda170 10-12-2021, 04:48 AM
Asus X756UX rev. 2.0 DIS to UMA help by vehny Started by vehny, 10-12-2021, 02:35 AM	0 responses 946 views 0 reactions	Last Post by vehny 10-12-2021, 02:35 AM
Z5WAH LA-B162P keeps burning its PU401 IC by kalilinux25 Started by kalilinux25, 06-06-2019, 08:54 PM	9 responses 2,631 views 0 reactions	Last Post by taroo 10-12-2021, 12:26 AM
Apple MacBook A1211 (820-2054-B) - no chime by boofoo Started by boofoo, 07-21-2016, 09:57 AM	15 responses 7,561 views 0 reactions	Last Post by weswe 10-11-2021, 10:14 AM
hp 15 db0044nc error 0xc00000e9 by DeniS182 Started by DeniS182, 10-06-2021, 03:37 AM	5 responses 743 views 0 reactions	Last Post by Jovica123 10-11-2021, 08:38 AM
MSI MS-16J91 Gaming Laptop motherboard dead by eng.jaudat Started by eng.jaudat, 10-10-2021, 02:48 AM	3 responses 1,328 views 0 reactions	Last Post by age80 10-11-2021, 01:22 AM

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