If your DVR suddenly shuts down, won’t turn on, has no display, or is password protected and you don't know how to fix it, you can reprogram the BIOS chip. This will restore the DVR to working condition or unlock it. The problem is usually caused by a corrupted BIOS.
How to Fix Your DVR BIOS
Get a programming device from a local store or an online site.
Download the DVR Firmware (Bios Dump) file from the link below.
Open the DVR and carefully remove the BIOS chip to avoid damage.
Place the chip in your programmer, read it, and save a backup on your computer.
Reprogram the BIOS chip using the downloaded BIOS file.
Once done, put the BIOS chip back in the DVR and turn it on.
If the issue isn’t fixed after reprogramming, the problem may be hardware-related.
All our BIOS files are guaranteed to work. If your BIOS dump file isn't listed, please email us, and we'll update it as soon as possible.
DOWNLOAD DVR FIRMWARE DUMP BELOW LINK
Firmware China DVR D6008D-F Model DVR-2008E (V1.0.1.3098) Download
Firmware D-max Ahd-7808gn CCTV DVR Download
Firmware AHB780XT8_3520D-SA V1.01 (V4.02.R11.00031131) Download
Firmware_AHB7804R-MH-V2 (V4.02.R11.00000149) Download
Firmware_AHB7808R-MH-V2 (V4.02.R11.00000151) Download
Firmware_AHB7008T-LM-V1 (V4.02.R11.00000148) Download
Firmware_AHB7004T-MH-V2 (V4.02.R11.00000142) Download
Firmware_AHB7808R-MS (V4.02.R11.00000143) Download
Firmware_AHB7008T-MH-V2 (V4.02.R11.00000140) Download
Firmware_AHB7804R-MS (V4.02.R11.00000133) Download
Firmware_AHB7032F-LM (V4.02.R11.00000135) Download
Firmware_DBD7004E-P (V4.02.R11.00000132) Download
Firmware_AHB7808R-LM (V4.02.R11.00000126) Download
Firmware_AHB7804R-ELS (V4.02.R11.00000123) Download
Firmware_AHB7804R-ELS (V4.02.R11.00000123) Download
Firmware_AHB7016F-M (V4.02.R11.00000111) Download
Firmware_MBD6004T-FL (V4.02.R11.00000108) Download
Firmware_AHB7004T-EL (V4.02.R11.00000117) Download
Firmware_AHB7016T-LM (V4.02.R11.00000116) Download
Firmware_AHB7008T-LM (V4.02.R11.00000115) Download
Firmware_AHB7804T-EL (V4.02.R11.00000114) Download
Firmware_MBD6804T-EH (V4.02.R11.00000110) Download
Firmware_MVB6004L-ES (V4.02.R11.00000101) Download
Firmware_MVB6004D-E (V4.02.R11.00000097) Download
Firmware_BLK5008L (V4.00.R10.00000002) Download
Firmware_BLK5016B-S (V4.00.R10.00000003) Download
Firmware_DVB6504E-P (V4.02.R11.000000066) Download
Firmware_EVB6504M-PH (V4.02.R11.00000064) Download
Firmware_MBD6004G-PL (V4.02.R11.00000073) Download
Firmware_MBD6016E-E (V4.02.R11.00000053) Download
Firmware_MBD6024E-B (V4.02.R11.00000070) Download
Firmware_MBD6024H-S (V4.02.R11.00000068) Download
Firmware_MBD6032E-B (V4.02.R11.00000069) Download
Firmware_MBD6704T (V4.02.R11.00000082) Download
Firmware_MBD6504E (V4.02.R11.00000062) Download
Firmware_MBD6304T (V4.02.R11.00000081) Download
Firmware_MBD5204S-S (V4.00.R10.00000079) Download
Firmware_MBD5508T-B (V4.00.R10.00000077) Download
Firmware_MBD5504T-B (V4.00.R10.00000035) Download
Firmware_BLK5016T-S (V4.00.R10.00000026) Download
Firmware_MVB5504E-E (V4.00.R10.00000045) Download
Firmware_BLK5008A-S (V4.00.R10.00000001) Download
Firmware_MBD6508E (V4.02.R11.00000061) Download
Firmware_MBD6804T-EL (V4.02.R11.00000094) Download
Firmware_MBD6816T-B (V4.02.R11.00000071) Download
Firmware_MBD6004S-S (V4.02.R11.00000092) Download
Firmware_MBD6704T-E (V4.02.R11.00000090) Download
Firmware_MBD6516T-B (V4.02.R11.00000087) Download
Firmware_MBD6716T (V4.02.R11.00000084) Download
Firmware DVR AKZ-3004 (8283-6114A-4AHD V2.1) DVR-G004L-N Download
Firmware DVR DHUA DH-7004AHD (AVR8283 V5.0) DVR-G004C-E Download
Firmware_DVR_4CH_CP-PLUS_4MB Download
Firmware_DVR_4CH_CP-PLUS_AVR804_16MB Download
Firmware_DVR_4CH_DHUA_DH-7004AHD_16MB Download
Firmware_DVR_4CH_Dhua_HVR5004HF_V2.0_16Mb Download
Firmware_DVR_4CH_DUHA_8MB Download
Firmware_DVR_8CH_China_AHB6008R-MS_8MB Download
Firmware_DVR_8CH_DHUA_16MB Download
Firmware_DVR_16CH_DHUA_16MB Download
Firmware_DVR_AFX-HVR_0801_16MB Download
Firmware_DVR_AVR108C_4CH_8286-8AHD-V1.0_16MB Download
Firmware_DVR_CP PLUS_8CH_Model_9008_16MB Download
Firmware_DVR_HI3515_4CH_8MB Download
Firmware_DVR_HY-MH-8286-4(5in1)_16MB Download
Firmware_DVR_MHK_8CH_16MB Download
Firmware_DVR_PT4S_H.264_16MB Download
Firmware_DVR_RANY_DAT5708-NH_16MB Download
Firmware_DVR_U vision_UV-3316P_16CH_16MB Download
Firmware_DVR_VVT_8CH_16MB Download
Firmware_DVR_XPOD_8CH_16MB Download
Firmware_DVR_XPOD_8CH_8286_8AHD_V1_16MB Download
Firmware_DVR_XPOD_XP7104-4H1_4CH_DS-80237_P_16MB Download
Firmware_DVR_YEAMA7_4CH_16MB Download
Firmwre_DVR_8CH_CP-PLUS_16MB Download
Firmware_DVR_HI3520 SCR-66508 AHB7004T-GS-V3 Download
Firmware_DVR_HVR508_AHD-6108ZY Download
Firmware_DVR_HIKVISION DS-7104HGH1-F1_DS-80237_P REV5.2 Download
Firmware_DVR_HIKVISION_DS-7104HQHI-K1_4CH Download
Firmware_DVR_4CH_A1004C_AHB780XR-3520D_V5.04 Download
Firmware_Dahua DHI-HCVR4108HE_D1420-58_022 Download
Firmware_DVR_ 8286_4AHD_V1.0_4CH_8MB_Backup Download
Firmware_DVR_4CH_AHD_AHB780XR-3520D_Backup Download
Firmware_DVR_8CH_HVR6008_VER1_2_16MB_Backup Download
Firmware_DVR_H264_8CH_HI3520_NVP1918_Backup Download
Firmware_DVR_16k AHB7016T-GS-V3 V2.03_16Mb_Backup Download
Firmware_DVR_AHB70xxt8-3521_V1.01B_16Mb_Backup Download
Firmware_DVR_Dahua DHI-HCVR5116HS-S3_16Mb_Backup Download
Firmware_DVR_Dahua_4CH_16Mb_Backup Download
Firmware_DVR_Hi3520_8CH_NVP1918_8Mb_Backup Download
Firmware_DVR_Hi3520D_V1.95P_8Mb_Backup Download
Firmware_DVR_Hikvision 7208_DS-80261 Rev1.2_16Mb_Backup Download
Firmware_DVR_Napco Hi3521_v1.3_16Mb_Backup Download
Firmware_DVR-KNG 5104_Hi3250_16Mb_Backup Download
Firmware_CLASSVISION_4CH_8283_6114A_4AHD_V1_0_Backup Download
Firmware_Dahua 3116H_Backup Download
Firmware_Dahua DH-XVR1A08_D1811_8CH_16MB_Backup Download
Firmware_Dahua DVR5x08 Series Download
Firmware_DVR AHB7804R-MS-ZS V2.01_Backup Download
Firmware_DVR Dahua 2108HE_Backup Download
Firmware_DVR Dauha XVR4104HS_Backup Download
Firmware_DVR DS-80145 Rev1.0_8CH_Backup Download
Firmware_DVR DS-80235_P Rev 1.2_4CH_Backup Download
Firmware_DVR F.C-AVR6304T-LM 4CH AHD_Backup Download
Firmware_DVR H.264 OLI 6604Z HI3515 7004S 4CH_Backup Download
Firmware_DVR HI3521A_V123_1080N16_Backup Download
Firmware_DVR HI-5004XVR HI3520D_Backup Download
Firmware_DVR HICAM PRO HI-6008XVR_HI3520_DV300-V206-1080N0B_Backup Download
Firmware_DVR HI-PIXEL AHD-6608Y 8286-8AHD-V1.0_Backup Download
Firmware_DVR HIVISION HY-BH-8286-4-T (5in1) 4CH_Backup Download
Firmware_DVR HI-ZOOM 5 IN 1 HD_Backup Download
Firmware_DVR LIFE AHB700XT8-3520D V4.03B_Backup Download
Firmware_DVR LOFAM_AHB780XT8 3520D-SA V1.01_Backup Download
Firmware_DVR MOONlLIGHT AHD_8283-6114A-4AHD v1.0_Backup Download
Firmware_DVR ONYX M2&M3_HCT60010M1-A-V1_Backup Download
Firmware_DVR POLCANO AHD2.0 8CH V1.1_Backup Download
Firmware_DVR THB7004T-3520D V1.02B_Backup Download
Firmware_DVR_ADVR_7008FM_GM8287_FLK_8AHD&16_960H_V1_1_8CH Backup Download
Firmware_DVR_ZOOM 4CH HVR5004HF VER 1.2_Backup Download
Firmware_DVR-8808_T3515AS-V1.06-AT-T3520DH-8S-4_Backup Download
Firmware_HIKVISION DS-7204HQHI_DS-80160_Backup Download
Firmware_HIKVISION DS-7208HGHI-F1_Backup Download
Firmware_HIKVISION DS-7208HQHI-K1E_Backup Download
Firmware_ST DVR-04_Backup Download
⚠️ If link doesn't work, please leave a comment.
Notes: CREDIT GOES TO kazmi Elecom
- ℹ️ Information: The This file archive is compressed using WinRAR. Please make sure that you have the latest version of WinRAR installed. Before flashing, cross-verify your old BIOS BID number for seamless upgrading.
- 🔒 Safety Precautions: Before flash the this file, make sure to save a copy of your current BIOS file and keep it safe on your computer. Be aware that your computer settings might change after flash the BIOS, so it's important to be careful and take precautions to protect your system.
- ⚠️ Caution: If you use the this file, your warranty may be voided, and your computer could become unusable. Proceed only if you are aware of the risks and have the necessary skills!
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