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 80,494 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 121,114 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 5,484 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 412,721 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 151,329 views 0 reactions	Last Post by SMDFlea 07-09-2022, 10:58 AM
Macbook Pro 2012 820-3115 Missing PP5V_SUS by platinumsteel Started by platinumsteel, 04-03-2023, 11:30 AM	15 responses 864 views 0 reactions	Last Post by platinumsteel 04-03-2023, 05:10 PM
Toshiba L750 DABLBDMB8E0 UMA enable by vannix Started by vannix, 11-18-2019, 08:10 AM	13 responses 5,888 views 0 reactions	Last Post by Dolapo1608 04-03-2023, 07:10 AM
dell inspiron 5567 laptop battery lipo WDX0R by ipatch Started by ipatch, 04-02-2023, 04:45 PM	0 responses 274 views 0 reactions	Last Post by ipatch 04-02-2023, 04:45 PM
ThinkPad T470s dead by rumpumpel1 Started by rumpumpel1, 03-29-2023, 08:58 AM	6 responses 1,044 views 0 reactions	Last Post by rumpumpel1 04-02-2023, 03:01 PM
Dell Inspiron 3585 CAL51 LA-F121P by Eniaro Started by Eniaro, 01-28-2023, 06:11 PM	25 responses 2,140 views 0 reactions	Last Post by dana.repouille 04-02-2023, 01:49 PM
Dell Inspiron 15 5570 Plugged in not charging by Eniaro Started by Eniaro, 07-30-2021, 08:18 PM	22 responses 4,755 views 0 reactions	Last Post by mon2 04-02-2023, 01:22 PM
HP ProBook 440 G3 not charging by vpower Started by vpower, 04-02-2023, 03:47 AM	5 responses 765 views 0 reactions	Last Post by harp 04-02-2023, 12:22 PM
Lenovo Yoga2 13- No display and light only on keyboard by lorins_core Started by lorins_core, 05-28-2017, 12:37 AM	28 responses 5,329 views 0 reactions	Last Post by mon2 04-02-2023, 08:51 AM
samsung NP300E5 by baki60 Started by baki60, 03-31-2023, 09:06 AM	8 responses 732 views 0 reactions	Last Post by baki60 04-02-2023, 06:32 AM
ASUS UX434F won't start by SSS7 Started by SSS7, 03-28-2023, 12:56 AM	2 responses 684 views 0 reactions	Last Post by SSS7 04-02-2023, 12:07 AM
Lenovo Flex 10 (BM5338 rev. 1.6) upgrade RAM by McSaird Started by McSaird, 03-25-2023, 11:17 AM	2 responses 662 views 0 reactions	Last Post by McSaird 04-01-2023, 12:46 PM
W240HUMB-OD, Power related problem * 5VALW Not present* by alfasys Started by alfasys, 04-25-2017, 06:15 AM	15 responses 6,827 views 0 reactions	Last Post by Noreddin 04-01-2023, 07:25 AM
Cedar_Intel_MB 13269-1 5V_S5 0V by James Mi Started by James Mi, 03-30-2021, 03:49 PM	12 responses 2,268 views 0 reactions	Last Post by Omron 04-01-2023, 07:00 AM
Lenovo IdeaPad Flex 5 14IIL05, ticking sound by LaPCon_IT Started by LaPCon_IT, 03-21-2023, 04:53 AM	23 responses 2,184 views 0 reactions	Last Post by LaPCon_IT 04-01-2023, 06:07 AM
ZBook 15 (LA-9241P) Fan always on by r ez a Started by r ez a, 03-29-2023, 03:36 AM	2 responses 476 views 0 reactions	Last Post by Sephir0th 04-01-2023, 05:02 AM
need help for laptop hp 450 G5 by bembeno Started by bembeno, 03-28-2023, 02:32 PM	2 responses 379 views 0 reactions	Last Post by SMDFlea 03-31-2023, 09:27 AM
HP 8470p 3V short to ground by motanya Started by motanya, 02-12-2023, 11:07 AM	2 responses 437 views 0 reactions	Last Post by kalilinux25 03-31-2023, 09:01 AM
hp 745 G3 stop on Hp logo by bembeno Started by bembeno, 03-14-2023, 11:14 AM	1 response 289 views 0 reactions	Last Post by kalilinux25 03-31-2023, 08:29 AM
MSI GE 63-8RF after waterdamage shows charging without charger by pcrepai Started by pcrepai, 03-18-2023, 10:56 AM	3 responses 622 views 0 reactions	Last Post by kalilinux25 03-31-2023, 08:25 AM
Dell Vostro 15 3568 M/B 15341-1: shutdown after 0.5s by DrFalken Started by DrFalken, 03-28-2023, 08:15 AM	2 responses 516 views 0 reactions	Last Post by kalilinux25 03-31-2023, 08:21 AM
TUF505DT : No charge by kurtspirit Started by kurtspirit, 03-14-2023, 08:00 AM	54 responses 3,205 views 0 reactions	Last Post by kurtspirit 03-31-2023, 08:13 AM
IdeaPad 5 15ARE05 Possible BIOS message and doesnt boot by tcpip Started by tcpip, 03-19-2023, 10:18 AM	3 responses 791 views 0 reactions	Last Post by kalilinux25 03-31-2023, 08:02 AM
HP 15-dw3000 strange problem by mo000 Started by mo000, 03-16-2023, 10:52 PM	3 responses 614 views 0 reactions	Last Post by kalilinux25 03-31-2023, 08:00 AM
asus fx553vd no picture on lcd by myth77 Started by myth77, 04-06-2021, 03:00 AM	2 responses 941 views 0 reactions	Last Post by kalilinux25 03-31-2023, 07:48 AM
MicroSoft Surface Laptop 1769 totally dead by mferna14 Started by mferna14, 02-01-2023, 03:55 PM	6 responses 749 views 0 reactions	Last Post by jeksona27 03-31-2023, 04:29 AM
A1708 - 820-00840 Turns on, No POST. Fan Spin. by sikocan Started by sikocan, 03-30-2023, 09:40 PM	2 responses 562 views 0 reactions	Last Post by sikocan 03-31-2023, 01:10 AM
Lenovo ThinkPad X1 yoga NM-B861 not have 20v by misha97123 Started by misha97123, 03-03-2023, 06:25 AM	12 responses 1,523 views 0 reactions	Last Post by Sephir0th 03-30-2023, 03:28 PM
Lenovo Thinkpad W540 no power by cyngo Started by cyngo, 06-27-2022, 11:12 AM	5 responses 1,315 views 0 reactions	Last Post by mon2 03-30-2023, 08:36 AM
HP DV6 issue ? by bianchi77 Started by bianchi77, 07-27-2019, 01:53 AM	66 responses 6,065 views 0 reactions	Last Post by muradterzi 03-30-2023, 06:45 AM
Samsung np350v QCLA4 LA-8861P ,REV 2.0 no +3VS nor +5vs by Prosatanosz Started by Prosatanosz, 02-13-2020, 09:25 AM	5 responses 2,733 views 0 reactions	Last Post by Jokowie 03-30-2023, 05:00 AM
Acer A515-55 no post or display by tommy97 Started by tommy97, 03-29-2023, 01:52 PM	2 responses 692 views 0 reactions	Last Post by tommy97 03-30-2023, 02:18 AM
Lenovo v14 g2 itl malfuction by Xtremin Started by Xtremin, 03-29-2023, 06:35 PM	1 response 363 views 0 reactions	Last Post by mon2 03-29-2023, 07:27 PM
Acer ES1-571 Winstron no display by xf0439 Started by xf0439, 08-05-2022, 09:41 AM	12 responses 1,287 views 0 reactions	Last Post by Ariu 03-29-2023, 03:01 PM
Are some components spot-welded to the MBs? by paulo66 Started by paulo66, 03-08-2021, 02:18 PM	49 responses 3,488 views 0 reactions	Last Post by Bigfoot 03-29-2023, 02:15 PM
ram soldered to the Zbook 15 g6 motherboard by MaC_ToC Started by MaC_ToC, 03-29-2023, 09:13 AM	0 responses 304 views 0 reactions	Last Post by MaC_ToC 03-29-2023, 09:13 AM
Dell 3501 by baki60 Started by baki60, 03-29-2023, 04:14 AM	1 response 338 views 0 reactions	Last Post by baki60 03-29-2023, 06:52 AM
FPW50-LA-H321P(R) REV 1A no power by kalilinux25 Started by kalilinux25, 03-25-2023, 02:28 AM	13 responses 1,372 views 0 reactions	Last Post by kalilinux25 03-28-2023, 07:21 PM
HP Zbook 15 G3 not powering on by BalkanBoy Started by BalkanBoy, 03-06-2023, 10:22 AM	15 responses 2,979 views 0 reactions	Last Post by magnus_protector 03-28-2023, 02:19 PM
ROG G512li No power by Zparts01 Started by Zparts01, 02-26-2023, 05:01 PM	70 responses 4,883 views 0 reactions	Last Post by Zparts01 03-28-2023, 12:37 PM
Turboboost power missing - Zbook G3 15" - APW50 LA-C381P by EdwardGeo Started by EdwardGeo, 05-18-2022, 06:27 AM	2 responses 1,025 views 0 reactions	Last Post by magnus_protector 03-28-2023, 12:25 PM

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