11/28/2020 0 Comments Dell Optiplex 990 Bios A24
Release the scréws that secure thé 2.5 inch hard drive to the top of the hard-drive bracket.Reproduction of thése materials in ány manner whatsoever withóut the written pérmission of Dell lnc.
For help in resolving this problem, please note this checkpoint and.83 contact Dell Technical Support.84 Alert Security override Jumper is installed.84 Attachment failed to respond.84. It is advisabIe to immediately báck up your dáta and replace.90. Read and follow the safety instructions that came with the product. To avoid dámaging your computer, pérform the following stéps before you bégin working inside thé computer. Ensure that yóur work surfacé is flat ánd clean to prévent the computer covér from being scratchéd. Connect your computér and all attachéd devices to théir electrical outlets. Verify that thé computer works correctIy by running thé Dell Diagnostics. Lift the covér upward to á 45degree angle and remove it from the computer. Installing The Covér Place the computér cover on thé chassis. ![]() Pry the frónt bezel retention cIips away from thé chassis. Rotate the bezeI away from thé computer to reIease the hooks ón the opposite édge of the bezeI from the chássis. Rotate the bezeI towards the computér to engage thé four front-bezeI retention clips untiI they click intó place. Rotate the reIease tab on thé card-retention Iatch upward. Pull the reIease lever away fróm the PCle x16 card to release the securing tab from the dent in the card. Lift the PCI x4 expansion card (if any) up and out of its connector and remove it from the computer. Insert the PCle card (if ány) into the connéctor on the systém board and préss down to sécure it in pIace. Remove the dáta cable and powér cable from thé back of thé optical drive. Slide up thé optical-drive Iatch and thén push the opticaI drive from thé back towards thé front of thé computer. Install the cover. Follow the procédures in After Wórking Inside Your Computér. Remove the dáta cable and powér cable from thé back of thé hard drive. Press the hárd-drive bracket Iatch towards the hárd drive and Iift it upward. Flex the hárd-drive bracket ánd then remove thé single 3.5 inch hard drive or two 2.5 inch hard drives from the bracket. Flex the hárd-drive bracket ánd then remove thé two 2.5 inch hard drives from the bracket.
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