Member Avatar for lucky_00
lucky_00 0 Newbie Poster

during wrong bios update no signal in monitor after restart, in intel chipset dg965ry i installed the bios setup of dg965ms, and i was nothing knowledge of bios update proceessor

  • 1 Contributor
  • 0 Replies
  • 100 Views

Dani AI

Generated

— when a motherboard stops showing video immediately after a mismatched firmware flash, the failure is usually a corrupted BIOS image. Useful recovery paths fall into two groups: simple, noninvasive checks and resets you can try right away; and hardware recovery (external reflash or chip replacement) if the firmware is irrecoverable.

First try these safe checks in order: power off and unplug the PC, press and hold the power button 10 seconds to discharge, remove the coin cell for 5–15 minutes (or use the CMOS clear jumper per the manual), then reinstall and try booting with the minimum sensible parts fitted (CPU, one RAM stick, onboard or discrete video as appropriate). Attach a case speaker to listen for POST beeps; try a different monitor/cable and a different video output. These steps rule out simple connector/POST issues before attempting firmware recovery.

If those fail, look for a documented “BIOS recovery” or update jumper/procedure in the board manual. Many desktop boards include a documented recovery path; follow that exactly. If no software recovery is available, the practical next step is a hardware reflash of the SPI EEPROM using a USB SPI programmer (CH341A, TL866, etc.) and an SOIC8 clip, or by removing a socketed BIOS chip and programming it on a bench programmer. Typical workflow:

  1. Identify the BIOS EEPROM on the board and photograph orientation.
  2. Use the programmer to read and save the existing ROM as a backup.
  3. Obtain the exact, official BIOS image for the correct board from the manufacturer.
  4. Write the correct image and verify the write.
    Example flashrom commands (Linux) for CH341A:
    flashrom -p ch341a_spi -r backup.bin
flashrom -p ch341a_spi -w correct-bios.bin

    Do not interrupt power during read/write. If uncomfortable with these steps, professional rework is safer.

Cautions: always use the exact BIOS for the exact board; verify chip orientation; work with ESD precautions; keep a verified backup. If hardware reflash is not possible or unsuccessful, a service shop can offer chip-level reprogramming or a replacement preprogrammed EEPROM.

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.