Error Code For Dell Optiplex 760
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reference guide to the OptiPlex Diagnostic Indicators Dell OptiPlex systems have a long history of built in diagnostic indicators. These can be audible beeps, power buttons that display different states and colours, specific diagnostics LEDs or a combination of them all, in order to indicate
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at which point during the Power On Self Test (POST) a system is having dell optiplex 760 drivers issues. The following article is a reference guide to the codes available on each model and what those codes actually dell optiplex 760 manual mean. These change through the various models and years. These indicators are merely a starting point to narrow down any troubleshooting you will carry out to identify the cause of your current issue. You
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can use this as a starting point to narrow down the proper troubleshooting guide you will need or you can contact technical support for further help and they will be looking for these indicators as well. Table of Contents: Diagnostic LEDs for the OptiPlex series (Prior to 2005) Diagnostic LEDs for the OptiPlex Series (2005 to 2009) Diagnostic LEDs for the OptiPlex series (2009 to 2012) Diagnostic LEDs for
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the OptiPlex series (2012 to Present) OptiPlex Audible Beep Codes Note: For all the tables below, please remember that the diagnostic LEDs only serve as an indicator of the progress through the POST process. These LEDs do not indicate the problem that caused the POST routine to stop. Note: Please be aware that if your system completes POST without stopping on a particular error code and then gives a black screen, the most likely reason is that you are experiencing a No Boot issue and not a No POST issue at all. Back to Top 1. Diagnostic LEDs for the OptiPlex series (Prior to 2005) This series of systems had a block of A, B, C, D LEDs on the back of the chassis that lit up in Green and Amber. I've included a table below with what these indicated. These models were readily identifiable by the rounded fronts and clamshell assembly. Note : Please click on the title of the section you want to open below, in order to see the contents. Show all | Hide all Diagnostic LEDs CPU configuration activity or failure; CPU Cache failure LED Pattern State Name State Description Suggested Resolution No Pattern Visible Off System POST comp
Dell Manuals Desktop OptiPlex 760 Service manual Dell OptiPlex 760 Service Manual: Diagnostic Light Codes During Post Hide thumbs Also See for OptiPlex 760 Quick reference manual - 76 pagesTechnical manualbook - 37 pagesBrochure - 2 pages 1 2 3 4 5 6 dell optiplex 760 motherboard 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
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23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 dell optiplex 760 bios 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 http://www.dell.com/support/article/us/en/04/SLN284978/en 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 https://www.manualslib.com/manual/553399/Dell-Optiplex-760.html?page=162 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage on www.dell.com at www.dell.com/regulatory_compliance. To help troubleshoot a problem, your computer has four lights labeled 1, 2, 3, and 4 on the front panel. NOTE: If you are using an ultra form factor computer, the diagnostic lights are present on the back panel. See the Setup and Quick Reference Guide that ships with your computer for more information. When the computer starts normally, the lights flash, and then turn off. If the computer malfunctions, use the sequence of the lights to help identify the problem. NOTE: After the computer completes POST, all four lights turn off before booting to the operating system. Diagnostic Light Codes During POST Light Pattern Problem Description The computer is either turned off or not receiving power. Off A possible motherboard failure has occurred. Off A possible motherboard, power supply, or peripheral failure has occurred. Blinking Amber No CPU present. Steady Amber Memory modules are detected, but a memory power failure has occurred. Steady Amber A possible CPU or motherboard failure has occurred. Suggested Resolution Reseat the power cable in the power connector
Dell Manuals Desktop OptiPlex 760 Service manual Dell OptiPlex 760 Service Manual: Beep Codes; System Messages Hide thumbs Also See for OptiPlex 760 Quick reference manual - 76 pagesTechnical manualbook - 37 pagesBrochure - 2 pages 1 2 3 4 5 6 7 8 9 10 11 12 13 https://www.manualslib.com/manual/553399/Dell-Optiplex-760.html?page=165 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 https://www.youtube.com/watch?v=M_LqtZ6Yom4 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 dell optiplex 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 dell optiplex 760 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 Beep Codes Your computer may emit a series of beeps during start-up if the monitor cannot display errors or problems. For example, one possible beep code may consist of three short, repeated beeps indicating that the computer has encountered a possible system board failure. If your computer emits a series of beeps during start-up: 1. Write down the beep code. 2. Run the Dell Diagnostics to further identify the problem. (see Code Cause 2 short, 1 long BIOS checksum error 1 long, 3 short, 2 short Memory error 1 short F12 key pressed Code (repetitive Description short beeps) 1 BIOS checksum failure. Possible system board failure. 2 No memory modules are detected. 3 Possible system board failure. 4 RAM Read/Write failure. 5 Real time clock failure. Possible battery or system board failure. 6 Video BIOS Test Failure. System Messages NOTE: If the message you received is not listed in the table, see the documentation for either the operating system or the program that was running when the message appeared. Alert! Previous attempts at booting this system have failed at checkpoint [nnnn]. For help in resolving this problem, please note this checkpoint and contact Dell Technical Support — assistance). CMOS checksum error — Possible system board failure or RTC battery low. Replace the battery (see CPU fan failure — CPU fan failure. Replace the CPU fan. See the following: Mini Tower — Heat Sink and Processor l
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