Unsolved
This post is more than 5 years old
1 Message
0
15707
Dell Inspiron 7520 White Screen after Motherboard Replacement
I recently had to replace my motherboard on my Dell Inspiron 7520 laptop, due to the old motherboard failing to even power up. After fitting the new motherboard (taking care not to damage the internal components), I restarted the laptop, only to discover that the main display wasn't working correctly. It was only showing a blank white screen. I connected the laptop to an external VGA display, and managed to get it to project through the display. I used that to flash the new BIOS. However, I couldn't work out what was wrong with the display, as the video card and software seemed to be working, and the display was responding to brightness and dimming commands from the keyboard. I decided to reboot into safe mode using msconfig, but now the laptop still has the white screen issue and won't project to an external screen either, even once I've pressed F2 to enter BIOS. I've tried the power on + D to try to run a screen test, but nothing happens. It only turns on for a few seconds, then powers down again. Any help will be greatly appreciated.
System Specs as per Dell.com:
OS Windows 8.1 (not updated to Windows 8.1 Update 1 yet)
| 6337P | 1 | LABEL, SVC TAG/EXPRESS CODE, LATC |
| J802J | 1 | LABEL, INFORMATION, NOTEBOOK, INSPIRON, BTSS |
| P664Y | 1 | Dvd+/-Rw, 8X, Serial Ata, 12.7T, Hitachi Lg Data Storage |
| DN5N2 | 1 | Hard Drive, Pentium M Dothan, 1.86GHZ, 2 MEGB, 533FSB, S2, 5.4, 2.5, P11, 4K, ML375 |
| 0X23C | 1 | Dual In-Line Memory Module, 2GB, 1600MHZ, 256X64, 8K, 204 |
| FYHV1 | 1 | Dual In-Line Memory Module, 4GB, 1600MHZ, 512X64, 8K, 204 |
| TK2K8 | 1 | PLACEMAT, GETTING STARTED, INSPAUDI14, 15, GBLW8 |
| C9Y6J | 1 | GUIDE, PRODUCT, INFORMATION, SERI, ENGLAND/ENGLISH, EUROPE, MIDDLE EAST & AFRICA |
| 3D4T5 | 1 | Kit, Media, Digital Video Disk Drive, Resource Dvd, INS, 7520, W8 |
| 1CHTF | 1 | LABEL, DEO, ENERGY STAR |
| 9509X | 1 | Cover, Liquid Crystal Display, Aluminum, Ex, 7520 |
| 0YCD6 | 1 | Assembly, Camera, 0.92M, W/MIC, AUDI |
| 704YD | 1 | KIT, COVER, LIQUID CRYSTAL DISPLAY, EXCHANGE, 7520 |
| 8G1JY | 1 | Liquid Crystal Display, 15.6HDF, White Light Emitted Diode, True Life, Legend |
| CNNGH | 1 | Assembly, Cable, Low Voltage Differential Signaling, Hard Drive, W/CMRA, A5 |
| KT2TK | 1 | LABEL, INTEL, NO BIOS, CI72 |
| MY297 | 1 | Label, Fascia, Intel, CARTON |
| VKF4J | 1 | Processor, I7-3632QM, 2.2, 4C, IVY, E1, P |
| JNT25 | 1 | LABEL, REGULATORY, COO, WORLD WIDE, A5 TURBO |
| PGMYP | 1 | LABEL, REGULATORY, WORLD WIDE, A5 |
| PXH02 | 1 | ASSEMBLY, BASE (ASSEMBLY OR GROUP), NOTEBOOK, DISCONNECT, 7520 |
| T6CXV | 1 | DPK, OPERATING SYSTEM, W8H32/64 |
| X2F61 | 1 | Label, Gml Inc, Microsoft, Operating System, W8, Consumer |
| KCP3T | 1 | Keyboard, 87, United Kingdom, C12S, WIN8 |
| MRDMM | 1 | Assembly, Printed Wiring Assy, Daughterboard, Wireless Local Area Network Card, 7520 |
| 0R0JP | 1 | SHIPPING MATERIAL, ACCESSORY, BOX, INSPIRON, 15, A5 |
| 247W0 | 1 | SHIPPING MATERIAL, INSTRUMENTATION, DOCUMENTATION, TRAY, INSPIRON, 15, |
| 2K66D | 1 | SHIPPING MATERIAL, CUSHION, INSPIRON, 15, A5, Bamboo, T |
| 7YTW6 | 1 | SHIPPING MATERIAL, BAG, NOTEBOOK, 12.5X18, POLY FOAM |
| FHN28 | 1 | SHIPPING MATERIAL, CUSHION, INSPIRON, 15, A5, Bamboo, B |
| RVTH0 | 1 | SHIPPING MATERIAL, PAD, LIQUID CRYSTAL DISPLAY, 15, WORLD WIDE |
| VNF47 | 1 | SHIPPING MATERIAL, BOX, INSPIRON, 15, A5, BROWN |
| 39FVF | 1 | LABEL, REGULATORY, WIRELESS, 2230, CNB, WORLD WIDE |
| 5DVH7 | 1 | Card, Wireless, INTEL2230, World Wide |
| Y4M8K | 1 | Adapter, Alternating Current, 90W, Liteon, 3P, Pwa Integrated, WORLD WIDE, V2 |
| P8TC7 | 1 | Battery, Primary, 48WHR, Vmware 6 Core Processor, Lithium, Simplo |
| J663C | 1 | CORD, POWER, 250V, 2.5A, 1M, C5, UNITED KINGDOM |
jawadamin3
6 Posts
0
July 26th, 2017 09:00
Same issue